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Operculum loosely coiled, with 3.75 large whorls, the outer one expanding more rapidly than the others (Figs. Thompson, F. G. & R. Hershler. Fine vertical ribs present on uppermost whorls. 136, 138). (Thompson, 1968). 35). 162-164). As a result . It could take years to fully rid the state of the species, officials say. Shell conical to elongate-conical; whorls 4.0-4.5 with a deeply impressed suture. Shell transparent or translucent. Teardrop Snail Taylor, D. W. 2003. Shell large, 3.7-4.5 mm long; adults with 4.6-5.3 whorls; lower corner of aperture slightly extended forward as a weak, tongue-like projection (Fig. With the exception of Liguus fasciatus, these snails have shells that vary in color from ivory to tan, often with brown markings.Liguus shells are brilliantly colored and are frequently marked with yellow, green, pink, and brown. Suture weakly impressed. Suture deeply impressed, forming a channel. The coloring makes state officials. Opercula of minute snails can be studied most easily by removing them from the animal and viewing them with transmitted light. Banded Mysterysnail Lower margin of aperture advanced beyond upper margin so that plane of aperture slopes posteriorly when viewed from the side (Figs.189-193). Two-ridged Rams-horn Scatter a few granulated menthol crystals on the water surface and allow the container to sit for 10-15 hours, at which time the snails should be extended from the shell and insensitive to probing with a needle. 208, 209), although radial striations may be present on other areas of shell. Aperture oval, about 0.75 times as wide as high. Some species are dioecious with a normal representation of males and females. Spire depressed, much less than height of aperture, occasionally planular (Figs. Pomacea canaliculata (Lamarck, 1822) (Gastropoda, Prosobranchia, Pilidae): A freshwater snail introduced into Florida, U. S. A. Malacological Review, 30:91. Shell with or without bands; slender; Suture deeply impressed; upper whorls with a strongly carinate periphery (Fig. Includes the limpkin, a Sunshine State specialty. Thompson, F. G. 1997. Apex slightly behind and slightly to the right of midline. Aquatic; moves by gliding motion. Aperture of shell closed by an operculum (snail must be collected live because the operculum is lost soon after death). Weak spiral striations present on top of growth striations (Figs. Penis of males with papillae along sides (Figs. The horntail . Aperture strongly oblique. Dasyscia franzi Nuclear whorl flattened, 0.41-0.48 mm in diameter transverse to initial suture. Prominent minor spiral sculpture along periphery. 96). The specie prefer quite clear water, of lakes and backwaters of streams andsprings. Length of shell 2.6-3.0 mm (Fig. Mantle richly marked with reddish-brown blotches and spots. 40). Sculpture consisting of axial striations only (Fig.147). Planorbis alabamensis and dilatatus in the Floridian Pliocene. MIAMI-DADE, Fla. As if 2020 did not have enough surprises and curveballs, an invasive snail located in the U.S. for the first time was discovered in-- you guessed it, Florida. 1918. Whorls 4.6-5.3. Aperture broadly ovate in shape; parietal wall weakly in contact or solute from body whorl; whorls more prominently arched and with a deeper impressed suture. Size: 2-4 cm. Shell of various shapes and sculpture. Umbilicus open. Elimia floridensis Female shell about 4-6 mm long (Figs. (Lamarck, 1822). Evolution has occurred through reproductive specialization, with each genus and most species having distinctive patterns of dermal glands. Your choice will lead you to the proper identification of your snail or the next appropriate pair of questions. (Thompson, 1968). Penis with 0-6 papillae confined to right margin (Figs. Lioplax pilsbryi choctawhatchensis Vail, V. A. 85). Spiral sculpture absent. Micromenetus brogniartiana The living snail is bright orange. The family contains numerous genera and species, some of which are important medically as intermediate hosts for trematode parasites. Shell dark brown. Columellar margin of aperture wide, rounded in front like a spindle. The lymnaeid fauna of the southeast is particularly depauperate compared to more northern and western regions of the continent. It is characterized by the lobed shape and glandular patterns of the penis. Taylor (2003) monographed the family Physidae. Peristome ovate to subcircular. Combining characteristics of cranes and rails, it . Three species are known from rivers entering northwest Florida from Georgia and Alabama. Thompson, F. G. 2000. Blackwater Ancylid Marsh Rams-horn (Thompson, 1968). The . The focus on most investigations was on rivers north of Florida, and little attention was given to the Florida fauna. In the USA, it was first identified in New Orleans in 1939, but now is found in the Gulf Coast states from Florida to Texas, as well as in Puerto Rico and Hawaii. "If you see one of these snails,. The family contains many genera and numerous species in South America, Central America, Mexico, Africa, and Southeast Asia. Shell globose with a relatively depressed spire; about 1.0- 1.2 times as high as wide. 48). 164, 167). Fred G. Thompson (1934-2016) Medium to large freshwater snails found on all continents except South America. Vertical ribs relatively strong and more widely spaced. (Thompson, 1968). Clifton Spring Hydrobe Elimia buffyae As was anticipated, further work on the systematics of the southeastern freshwater snail fauna created the need for subsequent revision in 1999, and for this updated version. Shell discoidal, grayish-white in color; transparent when fresh. Malacological Review, 19: 85-86. 116a, 116b). Over 500 species of Elimia have been described, most on the basis of shell characters. Elimia clenchi Incremental striations intensified near nucleus and umbilicus. Length of shell up to 5 mm. Identification of Marine Snails reefdup Identification, Snails July 3, 2020 Cerith, Collonista, Collumbellid, Conch, Limpet, Nassarius, Nerite, Ninja, Pyramidellid, Snail, Stomatella, Turbo, Vermetid 3 Comments Marine snails come in all shapes, sizes, colors, and function, so proper identification is crucial! Apex in about middle of shell. Peristome complete around aperture. 90). Operculum neomelanian, with a small, rapidly expanding nucleus located near the basal margin (Fig. Shell 2.8-3.7 mm long. Spurwinkia: Morphology, systematics, and ecology of a new genus of North American marshland Hydrobiidae (Mollusca: Gastropoda). Oftentimes you'll see trails of mucous around these damaged sites. 142). Earlier whorls of adult shell with vertical ribs and spiral chords. Choctaw Lioplax 129). Apex behind center of shell. 132). Penis with one papilla on left margin (Fig. Pygmy Siltsnail) Floridobia parva (Thompson, 1968). 149). Axial striations distinct (Fig. Aperture terminating below periphery of body whorl. (Mihalcik & Thompson, 2002). It is hoped that this manual will stimulate other biologists to contribute to our knowledge of freshwater mollusks. Blue Spring Hydrobe Basch (1963) revised the classification and recognized only twelve species. The giant African snails detected in New Port Richey, Florida are unrelated to the population of giant African snails eradicated from Broward and Miami Dade counties last year. Shellolive-colored; spire straight-sided. M-879 CONE SNAIL, Conus floridanus A small and less poisonous species, no one has ever died or been stung by one of these slow-movers, but like all cones, they have a venomous proboscis. 16, 17). 22). Dusky Ancylid 16, 25, 28). Shell nearly smooth, sculptured with irregularly spaced incremental striations (Figs. GAINESVILLE, Fla., Feb. 26 (UPI) -- University of Florida researchers have confirmed the presence of a deadly parasite in three non-native species of snails that have colonized South Florida. The sexes are separate and fertilization is internal (Andrews, 1964). Paper fig A Florida Gulf Coast specialty shell! Aperture broadly elliptical. Little is known about these animals, and diverse opinions exist as to how many species are recognizable. The number of whorls persent on the shell can help you easily identify the snail species. 180-182). The last time anyone had seen a land snail in the Sunshine State was at the tail-end of a year-long, $23-million battle to eradicate the invasive species from South Florida in 2012. Rather stocky, adult about 15-20 mm long (Fig. The Junonia is seldom found, and is considered a special find by beachcombers. 11). Whorls 3.8-4.3. Crystal Siltsnail Vertical ribs smooth along the periphery, strongly developed (Fig. Shell elongate-conical. Shell variable in shape. Goldenhorn Marisa Basch, P.F. It is important to save some specimens for anatomical studies. North American freshwater snails: species list, ranges and illustrations. More data based on many population samples from throughout this range will be necessary before the validity of the three forms can be determined. It is globose in shape, body whorls are wide, spire is depressed, and the aperature is narrowly oval (Burch 1982). 58). Creek Siltsnail 89). Shell small, 2.0-2.8 mm long. Females with live embryos in brood pouch in mantle; males with right eye stalk modified as a penis. On sibling species and genetic diversity in Florida Goniobasis (Gastropoda, Prosobranchia, Pleuroceridae). 135). Walkerana, 1: 81-365. 45). Central tooth of radula with basocones located on fore or lateral wing of tooth (Figs. Land Snail (Bulimulus sporadicus)A large group of Bulimulus sporadicus found in the Florida panhandle. Gray to brownish-yellow in color. There is no consensus in systematic biology about how to treat these forms. Most snails will have a conical shaped shell. Penis without a conspicuously enlarged papilla near right base, although other papillae usually are present. Operculum with about 6 slowly expanding whorls (Fig. (Pfeiffer, 1839). Shell rounded at the periphery (Figs. Aperture loosely attached to or widely separated from preceding whorl. Spilochlamys gravis Aperture elliptical or trapezoidal in shape. Alligator Siltsnail (Thompson, 1969). Giant Snails Invading Florida, "Major Threat" to Crops. Most have monotonously simple, conical or depressed-conical shells that are nearly devoid of taxonomically useful characteristics. Length of shell 2.0-2.4 mm (Fig. 17, 29-32), shell usually banded in Florida forms. Four species currently are recognized, but the genus has received very little study over most of its range. Lip of adult shell usually with a thick crest externally and an internal callus. Sculpture consisting of distinct spiral striations and threads superimposed on growth striations (Fig. A systematic study of the Family Physidae (Basommatophora: Pulmonata). Bright pink egg masses are laid on . 7-9). The species of snail was present in Florida in the 1960s and 1970s before being eradicated in 1975, the FDACS said. Identification Damage from snail and slug pests appears as oblong, irregular holes at both the margin and the center of leaves and flowers. Florida Flatcoil: Golden Zachrysia: Zachrysia provisoria (L. Pfeiffer, 1858) Gastrocopta pellucida (L. Pfeiffer, 1841) Zonitoides arboreus (Say, 1817) Garden Zachrysia: Slim Snaggletooth: Quick Gloss: Mesomphix globosus (MacMillan, 1940) Hawaiia minuscula (A. Binney, 1841) Mesodon thyroidus (Say, 1817) Globose Button: Minute Gem: White-lip Globe Malacologia, 23: 81-82. Eight species have been proposed. 172). Thiarids are ecologically significant because they tend to replace native snails where they are introduced and because of their abundance. Freshwater snails (Mollusca: Gastropoda) of North America. Three species in Florida were introduced from Southeast Asia. Apex flat with narrow threadlike keel. Conical with relatively slender whorls. It became increasingly important to provide an identification manual of the freshwater snails of Florida for many reasons. (Linnaeus, 1758). (Pilsbry, 1890). Parietal margin of operculum slightly convex in outline (Fig. Hebetancylus excentricus Pewter Physa Stately Elimia Suture of whorls more deeply impressed than in previous species. Most inhabit fresh water, but some also occur in brackish water. This snail was twice established in southeastern Florida and was successfully eradicated both times. Floridobia alexander 36); males with a copulatory appendage, a penis (Fig. 61). In Florida four types of Campeloma have been recognized. A giant African land snail, photographed at a lab in 2014. 23, 26). Swallow-tailed kites are spring and summer residents; snail kites are specially adapted to feed on apple snails in Florida freshwater wetlands year 'round. The giant African land snail ( Lissachatina fulica (Bowditch)) (GALS) is one of the most invasive pests on the planet, causing agricultural and environmental damage wherever it is found. However, this appears to be an over reduction, and several southern species were synonymized that appear worthy of recognition. Parapical crest of verge greatly enlarged. Whorls uniformly rounded, not flattened above (Fig.144). Earlier whorls of adult shell with heavy vertical ribs crossed by knobby folds or a strong spiral chord; sides of spire straight or weakly convex in lateral profile; embryonic shell with a single spiral chord on periphery and heavy vertical ribs, but without basal spiral chord (Fig. Base of shell with dark red spiral band. Apex very short, only slightly raised above body whorl. (Thompson, 1968). Campeloma geniculum (Conrad, 1834) is readily recognized by its obese, solid shell; it usually has a normal proportion of males in its populations, although some populations are apomictic parthenogens. 60). Adult shells about 40-60 mm high (Fig. Vernacular names are given only for species. Veliger, 45:269-271. Shell more slender, about 0.30-0.35 times as wide as high. (Lea, 1858). Whorls generally arched. Whorls of spire strongly arched or rounded. Spilochlamys is most similar to the next genus, Cincinnatia, from which its shell usually differs by having a more deeply impressed suture, more strongly shouldered whorls, and a wider umbilical perforation. Various species of Cipangopaludina also have been introduced from the Orient into North America. Is non-native to the area, in our case northwest Florida Goodrich, C. 1942. (This character separates only the genera under consideration; genera from other areas of the world do not conform to this distinction.) Shell planispiral, adults large, 35-50 mm (Figs. Size smaller than last species, seldom exceeding 10 mm in width (Figs.194-196). The Florida Department . They complete their life cycles in one year. 122). Inside of lip with or without a reddish callus but callus never dark red in color. Red-rimmed Melania Pomacea paludosa Elimia doolyensis Papilla with a duct that leads to a blind caecum in nape of snail. Surface smooth or dented with hammer marks. File Campeloma (Thompson, 1968). You can also navigate through the images by clicking on the arrows near the left and right edges of the enlarged view. Apex nearly straight-sided or concave in outline. Apex of shell slightly convex in outline. Hershler, R. & F. G. Thompson. This will lead you to the final choice which identifies the snail. Many have been synonymized, some undeservingly so. The planorbid snail Micromenetus dilatatus avus in the West Indies and Central America. Ovate Campeloma Snails on corn. Melanoides tuberculata (Muller) in Florida. 1962. Shell elongate-conical, with about 5-7 whorls. The bio-economic importance of snails to environmental issues has become increasingly relevant because of the impact that economic development has on Florida waterways. Shell globose or tear-shaped. 34, 35). Marginal teeth of radula trapezoidal with well-differentiated cusps. Apical whorls bluntly rounded and not conspicuously elevated. Planorbid snails are restricted to fresh water and occur worldwide, being found on all continental landmasses and many oceanic islands. Shell elliptical-ovate in shape. Bulletin of the Museum of Comparative Zoology, 129: 401-61. 204-207), often eroded in older specimens. Planorbella duryi Escambia Elimia Mantle spotted with black, shaded or unmarked; terminal lobe of penis with complex crests that cause it to look like an animals head; flagellum slender, with scattered and discontinuous glands along edge (Figs. The first snail is Euglandina rosea, the "rosy wolf snail" it is carnivorous, and eats other snails.The second snail is Zachrysia provisoria, the "garden provisoria", which can be a pest as it enjoys fruits and vegetables.These snails are both native to Florida; neither species can survive in the wild in cold climates, but both species have been introduced to other . Tarebia granifera Color often glossy reddish brown. Seminole Siltsnail Shell unicolor brown, never mottled with reddish spots. Lower margin of aperture not advanced beyond upper margin. Shell medium-sized, 2.8 3.5 mm long; spire 0.9 1.1 times length of aperture; shell with 4.2-4.7 whorls (Fig. Fighting a new infestation of an invasive, crop-damaging snail, Florida agriculture officials on Thursday said they have collected 1,000 of the creatures in just over a week in Pasco County, where they were recently discovered following two years in abeyance. (Fig. The shell characters given above for separating the families apply only to Florida species. The radula can be studied by dissecting out the buccal mass and macerating it in clorox or sodium hydroxide. Shell usually small to medium (2-25 mm). Shell moderately large, 3.7-4.5 mm long; spire 1.00-1.35 times length of aperture; shell with 4.8-5.4 whorls. The shells should be rinsed frequently in tap water during the cleaning process to prevent etching by the acid. 37), which is important for generic and specific diagnosis. TAMPA, Fla. - A horntail snail, an invasive pest common in India, has been found in Miami-Dade County, spurring agriculture officials to start a program to prevent the possible spread of the species, the Florida Department of Agriculture and Consumer Services said Thursday. The snails can produce 1,200 eggs in a year and grow up to about the size of a human fist. Aphaostracon monas (Walker, 1908). Some hydrobiid snails from Georgia and Florida. 161, 164, 167). Brownish-yellow in color (Fig. (C.B. Sculptured with fine incremental striations and a few fine spiral striations (difficult to distinguish except with transmitted light). Length of shell 2.1-2.8 mm (Fig. (Vail, 1979). Color of fresh shell never milky white. It is most common in Southwest Florida, and northwest Florida. Marsh Sprite 69, 70). Terminal lobe of penis slender. Thompson, F.G. 1968. Sides of spire straight-sided in outline. 1945. Giant African Land Snail Identification Sheet - Florida Commissioner of . The basic shell morphology of the PLANORBIDAE is left-handed, or sinistral (FIGS. 75). They are commonly found on live aquatic plant stems, dead leaves and sticks, and on bottles and cans. A catalogue of the Viviparidae of North America with notes on the distribution of Viviparus georgianus Lea. (Fig.114). 41-43). Bantam Hydrobe Shaggy Ghostsnail Vertical sculpture reduced to irregularly spaced and uneven growth striations or low undulating ribs. Our beaches often rank at or near the top in the world. Female adult snail kites have yellow or orange legs and ceres; and red or orangish-brown eyes. Thin and translucent or transparent. 17-29). Additional surveys found four different populations all associated with the CSX railways. Additional genera occur in the Orient, Southeast Asia, Africa, and South America. Shell sculpture with incremental striations only. 3:51. 100). The Florida Department of Agriculture and Consumer . TALLAHASSEE, Fla. (AP) Florida, a state that encourages people to kill non-native iguanas, pythons and lionfish, has a new invasive species to worry about: the horntail snail, which has never . 2015; Agudo-Padron 2018). (Thompson, 1968). Length of shell 2.0-2.4 mm (Fig. Sculpture above periphery of whorls consisting of sharp spiral chords and distinct vertical ribs; shell attenuate. Many North American snail species were described near the turn of the century by Walker (1918). Video. Other species deposit eggs during the period of March through May, at which time the adults die and immature forms dominate the population through August or September. Green Cove Springsnail Pilsbry, H. A. Aperture broadly in contact with preceding whorl. Suture simple, not crenulated. Ampullariids have been referred to as PILIDAE in earlier editions of this manual. Those available covered only part of the state or part of the fauna. (Pfeiffer, 1839). Shell sculptured with fine spiral threads. 1965. This family contains twelve genera in North America. One species, C. chinensis malleatus (Reeve, 1863) (Fig. The VIVIPARINAE is widely distributed throughout Europe, Asia and eastern North America. Adult shells small, less than 3 mm high; umbilicus closed by the reflected columellar lip; columellar margin of the aperture nearly straight, barely convex (Fig. Adults about 2-3 mm long (Figs. The horntail snail belongs to the genus Macrochlamys (family Ariophantidae), which has over a hundred described species distributed from South to Southeast Asia and southern China (Pholyotha et al. Radula with bicuspid lateral teeth (Fig. 1992. A little practice may be necessary to perfect this relaxing procedure. Shell sculptured with vertical, weakly curved ribs and much finer spiral striations. (Say, 1817). Aperture never with a septum. The genus Viviparus (Viviparidae) in North America. Apex of shell flat, though it may be raised above the periphery of the last whorl (Figs. Formalin will corrode the shell and thereby eliminate color, delicate sculpture, and the periostracum the thin skin coating present on most shells. Apex about 0.4-0.5 times length of shell. Another variety, with cream-colored flesh and mottled brown shells, was detected in 2022. Credit: Craig Pittman. The most recent sighting of a giant African land snail took place in 2017, meaning the species can now be considered eradicated in the state of Florida. Work through the questions, each time choosing the characteristic that best matches your snail from the two choices. Operculum constructed entirely of concentric rings (Fig. Thompson, F. G. & R. Hershler. 125); accessory crest absent on penis. Body whorl compressed (Fig. Penis with two or more longitudinal crests within U-shaped superior tubercle (Fig. Shell medium-sized or large; 5.4-7.5 mm long; thick and opaque; ovate or globose; apical whorls depressed; sides of spire rounded; body whorl conspicuously enlarged, ample, rapidly descending to aperture along last half whorl. Female ovoviviparous with about 15 large embryos in uterus. 56). Subspecies bear the same name as the nominate subspecies, as is consistent with the standard used by the American Fisheries Society for fishes, and by other societies for other classes of animals. Most other genera have received relatively minor attention, and their systematics are in flux. Narrowly umbilicate. Size small I I to medium, 8-12 mm in length. Shell conical, spire moderatly high. 83). Vail, V. A. Sci. Common name: Florida applesnail Taxonomy: available through Identification: This species is the largest freshwater gastropod native to North America (Burch 1982). Brown garden snail, Cornu aspersa (formerly Helix aspersa, Cantareus aspersus, and Cryptomphalus aspersus) is a member of the family Helicidae.This snail species originates from Britain, western Europe, and along borders of the Mediterranean and Black Seas. Aphaostracon theiocrenetus Aphaostracon hypohyalina Gainesville, Florida 32611-7800. Newborn young about 4.5 mm in diameter (this can be determined by removing juveniles from brood pouch). Apex distinctly convex in outline. Excentric Ancylid Body whorl relatively narrow, not conspicuously enlarging near aperture (Fig. 113). Never preserve shell specimens in formalin. Melanoides turricula Three new freshwater snails of the genus Cincinnatia from peninsular Florida. Alexander Siltsnail Knobby Elimia Shell sculptured with prominent nodes overlapping suture and forming crenulations. The following key includes all of the species that occur in Florida and some that occur in Alabama, Georgia, and South Carolina. Thiarids are found in tropical and subtropical regions of the world. Identification should conform with all data in the key and with geographic distributions. A giant African snail sighting in Florida enacted a quarantine over parasite concerns. 1918. (Conrad, 1834). Somatogyrus is distributed from the Mississippi River drainage system east to Atlantic coastal streams, and south to the Gulf coastal drainage systems. Shell with spiral chords or spirally arranged series of nodes. Shell planular or disc-shaped; spire flat when raised above succeeding whorls (Figs. (Mller, 1774). 81-83). After the shells are thoroughly rinsed, they can be air-dried in cardboard trays. Seminole Rams-horn The current status of these introductions is not known. Choctawhatchee Elimia 65). Spiral angulation on whorls sharp and prominent in juveniles, usually becoming convex-rounded or smooth on last whorl in adults. The island apple snail is the largest of the known species in Florida with shell sizes up to five inches in length. Squaremouth Amnicola Aperture relatively shorter, about half or less the length of the shell. 118). Shell thick and solid; whorls weakly convex or flattened (Figs. Last whorl of adult shell smooth or with growth striations, but not with ribs and spiral chords. Viviparus georgianus (Clench & Turner, 1956). Rhapinema dacryon An invasive, giant snail species, that can also lead to outbreaks of meningitis, has been found in New Port Richey. 109a, 109b). Female shell about 3.5-4.0 mm long (Fig. (Jay, 1839). (Say, 1825). Apical whorls raised to form a point on top of spire. Florida Horse Conch ( Triplofusus giganteus) is the largest snail in North America and is Florida's state shell. Adults with six teeth in aperture, two on the parietal wall and four on the palatal wall. State officials said the last live snail found in Florida before the Pasco . Miscellaneous Publication of the Museum of Zoology, University of Michigan, 6: 1-213. Slough Hydrobe Attains a length of about 30-36 mm (Figs. Being nocturnal, these pests aren't always feeding when you're scouting. An investigation by FDACS Division of Plant Industry found multiple positive sites with the snail in Miami-Dade County. 1979a. Six species are known to occur in Florida. Freemouth Hydrobe (Thompson, 1968). They are variable in their shell characteristics, and some samples may be difficult to identify. Penis as illustrated (Fig. 16, 29). Mimic Pondsnail It occurs in India, Sri Lanka, Bangladesh, Nepal, Pakistan and Brazil (Figure 1) (Raut and Ghose 1984; Biswas et al. Sides of spire slightly convex. Floridobia mica Quilted Melania Tadpole Physa Malacological Review, 24: 55-72. Mantle diffusely pigmented or unpigmented. Whorls straight-sided, not scalariform; suture hardly distinct; aperture terminating at periphery of last whorl; vertical ribs weaker and closely spaced; adult size about 25-30 mm long (Fig. 1991. Floridobia ponderosa Aperture moderately oblique. (Thompson, 1968). Fossaria cubensis Spiral or costate sculpture usually present. A review of the aquatic gastropod subfamily Cochliopinae (Prosobranchia, Hydrobiidae). Spiral sculpture faint or absent (Figs. Sexes not conspicuously dimorphic in size. Many samplings of hydrobiids collected during the period of May through September are not identifiable because only immature forms are present, and important diagnostic anatomical characteristics have not yet developed. Micromenetus dilatatus avus (Pilsbry, 1905). Dorsl surface of penis with a few elongate superior tubercles that form a weakly defined U-shaped pattern. 33); males without copulatory structures. Fingers crossed, it'll stay that way. Now officially known as simply a Snail Kite, the subspecies from Florida and Cuba (Rostrhamus sociabilis plumbeus) formerly known as the Everglade Snail Kite was listed as endangered in 1967.The range of the Florida population of Snail Kites is restricted to watersheds in the central and .

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