Browse and enjoy! 57). Penis with a small blade-like flagellum along right margin and a heavy mid-ventral ridge that bears 8-11 narrow transverse dermal glands; other glands present on terminal lobe and flagellum (Figs. Knobby Elimia Campeloma parthenum (Gastropoda: Viviparidae), a new species from north Florida. 122). Gulf Coast Pebblesnail) Somatogyrus walkerianus (Aldrich, 1905). Spire depressed, much less than height of aperture, occasionally planular (Figs. Small- or medium-sized snails need to be identified with the aid of a binocular dissecting microscope that is equipped with an ocular micrometer calibrated to 0.1 mm accuracy so that precise measurements can be made. In Pasco County Florida, a quarantine order was issued for people after the re-discovery of the giant African land snail, an invasive species that can harm to humans, structures, and wildlife. Most snails will have a conical shaped shell. Shell usually large, about 12-16 mm long. Apex smooth, with no trace of radial striations (Fig. (Walker, 1905). Shell more slender and attenuate; spire more elongate in adults, about 0.7- 1.0 times height of aperture. (Haldeman, 1841). By Ker Than for National Geographic News. Malacologia, 23: 81-82. (C.B. This is particularly so in the Pulmonata. (Pilsbry and Beacher, 1892). Inferior crest absent. Shell elliptical-ovate in shape. They were created by or for the Florida Department of Environmental Protection, or its predecessor agencies.Amphipod Key, Volumes 1-5 - LeCroy, Sara E. An Illustrated Identification Guide to the Nearshore Marine and Estuarine Amphipoda of Florida:Volume 1 (2000, PDF, 18 MB).Volume Carib Physa 64). 17, 29-32), shell usually banded in Florida forms. 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. Surface smooth, glossy, striations when present very weak. Plane of aperture nearly vertical when viewed from the side. Adequate preservation begins when the specimens are collected. Females with an egg-laying groove or sinus on right side of foot; eggs deposited on substrate. Outer lip continuously rounded (Figs. Sci. Peninsula Ancylid The aquatic snail fauna of the southeastern United States has long been recognized for its richness and diversity. (Fig. Apex suppressed to form a nearly flat plane with the peripheral angle (Figs.165-167). (Pfeiffer, 1839). Spiral angulation on whorls sharp and prominent in juveniles, usually becoming convex-rounded or smooth on last whorl in adults. i-xxxvi, 1-530 pls. Florida authorities believe that the snail, native to eastern Africa, was reintroduced to the state when someone brought it home as a pet. North American freshwater snails: species list, ranges and illustrations. It is most common in Southwest Florida, and northwest Florida. 197-209). Proc. Penis with one papilla on left margin (Fig. Adult shell small, less than 3 mm high; umbilicus narrow but not occluded by the columellar lip; columellar margin of the aperture weakly concave (Fig. Whorls 3.0-4.0. The Florida Department of Agriculture and Consumer . Suture relatively deep, Whorls of spire rounded. (Fig. 84). 1969. Lower margin of aperture advanced beyond upper margin so that plane of aperture slopes posteriorly when viewed from the side (Figs.189-193). In some genera, eggs are deposited above the water in dry clusters on stems, trees, walls, etc. These are white, which is the more prized color in. 125); accessory crest absent on penis. The state says a "gastropod enthusiast" collected unusual snails in the Coconut Grove area back in August. Sides of spire slightly convex. Shell with strong vertical ribs on spire; spiral chords vestigial, confined to spiral series of knobs on top of vertical ribs; adults small, about 13-16 mm long (Fig. Base of shell usually without spiral band. The shell are secondarily useful for identification, but only when supplemented with anatomical information. They're different than the ones found previously. Eight species have been proposed. This will lead you to the final choice which identifies the snail. (Thompson, 1968). Aperture ovate; baso-columellar angle not extended; basal lip not indented. Vertical ribs smooth along the periphery, strongly developed (Fig. U.S. Florida Invasive species. 198, 205). Umbilicus narrow (Figs. (Frauenfeld, 1863). 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 Some shells may be heavily encrusted with mineral deposit and algae, which may obscure details of the sculpture and color. Penis with 4-6 papillae along right margin (Fig. 1992. Others were new taxa not found in earlier surveys. Terminal lobe of penis slender. The snail can wreak havoc on agriculture and carry a parasite that causes meningitis in humans.. The radula is then thoroughly rinsed in distilled water, stained, and mounted on a microscope slide. Choctawhatchee Pebblesnail) Somatogyrus sp. It is presented in the form of key supplements with illustrations and habitat information to facilitate identifications. (Fig. (Vanatta, 1935). Though small, this elusive specimen is a rare and valuable jewel, waiting to be discovered. Shell with about 4.5-5.0 whorls; about 3.0-4.8 mm long (Fig. Mantle richly marked with reddish-brown blotches and spots. 123). Shell with spiral chords or spirally arranged series of nodes. Most other genera have received relatively minor attention, and their systematics are in flux. Average length about 5.5 mm (Figs. 199). 89, 90). File Campeloma The specie prefer quite clear water, of lakes and backwaters of streams andsprings. Sculpture above periphery of whorls consisting of nodes arranged in vertical and spiral rows. In previous editions of the manual species of Floridobia were placed in the genus Cincinnatia. Umbilicus variable. Shell smooth. 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. Walker, B. Thompson, F. G. & R. Hershler. Sexes strongly dimorphic in size, males about half as long as females. CLICK ON EACH PHOTO Fallen Angel Wing -Atlantic Mud Piddock Boring Angel Wing- Striate Piddock Rice Olive (Thompson, 1968). Those had gray-brown flesh. 140-146). 1965. 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. Our state park system has won national awards . NotogiIlia wetherby Shell thin, fragile, very much depressed, less than 0.25 times as high as long. As a result . Aperture rhomboid; baso-columellar angle extended as slight tonguelike projection; basal lip broadly but shallowly indented (Fig. The bulimulids of Florida have ovate-conical or bulimoid shells that at maturity range in size from 15 mm to 70 mm. (Conrad, 1834). Axial striations distinct (Fig. 81-83). Shell small, about 3.0-3.5 mm long; adult with 4.4-4.8 whorl; lower corner of aperture tending to be angulate with fluted channel (Fig. Shell sculptured with prominent nodes overlapping suture and forming crenulations. Inside of lip with or without a reddish callus but callus never dark red in color. Teardrop Snail Haitia bermudezi (Thompson, 2000). Embryonic shell with a strong peripheral spiral chord that continues onto following whorls (Fig. Thick-lipped Rams-horn They are commonly found on live aquatic plant stems, dead leaves and sticks, and on bottles and cans. Whorls uniformly rounded, not flattened above (Fig.144). Length of shell up to 5 mm. Taylor (2003) monographed the family Physidae. 14), was introduced into a fishpond in St. Petersburg about 1921 and into lakes in Orlando about 1940. The lightning whelk ( Busycon sinistrum) is one of the larger univalve snails found in Florida waters. (Pilsbry, 1899). Planorbella scalaris Spire of adults without distinct vertical ribs. 48). An invasive snail species known as the giant African land snail has officially been eradicated in the state of Florida after years of attempts and $24 million worth . The living snail is bright orange. Viviparus contectoides limi, new name for V. c. compactus Pils. Recent studies treat amnicolids as a separate families. 140). (Thompson & Hershler, 1991). Suture more deeply impressed than in 77a. Pilsbry, H. A. Penis with a large, blade-like flagellum with continuous heavy dermal glands along each side (Figs. 115, 116). Spilochlamys gravis Spire shorter, conical, 0.7-1.3 times length of aperture, nearly straight-sided in outline, suture of whorls weakly or moderately impressed. Outer lip less sinuous. 99). Body whorl strongly keeled as though pinched at the periphery (Figs. Tadpole Physa Shell of various shapes and sculpture. Rails, gallinules, coots and cranes. Dasyscia franzi A preliminary revision of Florida Lioplax (Gastropoda: Viviparidae), with a description of Lioplax talquinensis n.sp. Penis as illustrated (Fig. (Thompson, 1968). 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. 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. Penis with large a terminal lobe on the left side and a smaller appendix-like flagellum on the right side. Shell cylindric-conical with 4.5-5.0 whorls. 70). The island apple snail is the largest of the known species in Florida with shell sizes up to five inches in length. Apex of shell slightly convex in outline. Shell cap-shaped or limpet-like with a wide, open aperture forming base of shell (Figs. Apex distinctly convex in outline. Pomacea canaliculata (Lamarck, 1822) (Gastropoda, Prosobranchia, Pilidae): A freshwater snail introduced into Florida, U. S. A. Malacological Review, 30:91. 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. A review of the recent freshwater limpet snails of North America. 161, 164, 167). A giant African land snail, photographed at a lab in 2014. Body whorl angular. Aperture relatively ample (Figs. Aperture elliptical in shape; spire slenderer and slightly convex in outline; suture moderately impressed suture; parapical crest reduced in size. (Thompson, 1968). Brownish-yellow in color (Fig. Micromenetus brogniartiana Shape highly variable, usually disc-shaped but some specimens with flat-topped raised spire. Pomatiopsis lapidaria Mantle diffusely pigmented or unpigmented. 49, 50). Ponderous Siltsnail 132). The following key includes all of the species that occur in Florida and some that occur in Alabama, Georgia, and South Carolina. Contents 1 Shell description 2 Distribution 3 Ecology 4 References 5 Further reading Shell description [ edit] Five views of a shell of Pomacea paludosa It is troublesome mostly in southern Florida as far north as Tampa, but because potted plants are regularly moved northward it can appear almost anywhere. Interior of adult aperture with brownish tinge. 7-9). Identification. Shell elongate-conical; 10-40 mm long in adult specimens; apex of spire usually eroded; shell with 8-12 whorls although eroded specimens may have fewer; shell usually strongly sculptured with spiral and/or vertical ribs and threads (except in Elimia dickinsoni); central tooth of radula without basal or lateral cusps (Fig. Aperture relatively shorter, about half or less the length of the shell. Bulletin of the Museum of Comparative Zoology, 129: 401-61. The number of subfanilies recognized in the Hydrobiida is unsettled. Occasional Papers of the Museum of Zoology, University of Michigan, (456): 1-6. 162-164). Central tooth of radula with basocones located on fore or lateral wing of tooth (Figs. Floridobia ponderosa 65). Amber to milky white in color (Figs. It should be remembered that it is only a key which emphasizes shell characters. Apex of shell flat, though it may be raised above the periphery of the last whorl (Figs. Attains a length of about 30-36 mm (Figs. 1945. University of Florida scientists say the nightmarishly named "rat lungworm" has been found in multiple species of snails in the Miami area, including the invasive giant African snail. Primarily parthenogenetic; females viviparous with young snails in a brood pouch in nape. By 1973, more than 18,000 snails had been found and destroyed along with thousands of eggs, and the snail was . 24, 27). 11). Moderately large, thick-shelled operculate snails. Penis as illustrated (Fig. Shell sexually dimorphic in size, males about one-third as long as females. We Floridians have so much to be proud of. Length of shell 2.0-2.4 mm (Fig. Shell large, 80-100 mm wide. Suture deeply impressed. Shell more slender, about 0.30-0.35 times as wide as high. Operculum calcareous with two pegs on inner surface (Figs. 1979b. Sculpture above periphery of whorls consisting of sharp spiral chords and distinct vertical ribs; shell attenuate. Freemouth Hydrobe 4). The fixative may damage the shell, but that is unimportant for anatomical purposes. Vertical ribs relatively strong and more widely spaced. Floridobia helicogyra Shell medium-sized, 3.0-3.8 mm long; thinner, translucent or transparent in life; tear-shaped; spire raised and nearly straight-sided, pointed; body whorl less conspicuously enlarged, not descending to aperture along last half whorl. Many species are secondarily modified to appear right-handed or pseudo-dextral (FIGS. Proceedings of the Academy of Natural Sciences of Philadelphia, 86: 29-66. 1905. Elimia doolyensis (Fig. 169). Apical whorls pointed and raised, but not scalariform. It contains about a dozen species in North America. Suture not as deeply impressed as in 77b. Malacological Review, 24: 55-72. Operculum corneas, without pegs on inner or outer surface. The snails are tan colored, high and conical, with mature snails about to 1-inch long. Laevapex diaphanus Base of shell with dark red spiral band. A giant African snail sighting in Florida enacted a quarantine over parasite concerns. Shell usually marked with red or rust-colored spots, flames, or bands (most apparent on juvenile specimens). Lioplax pilsbryi pilsbryi Frequently the shells of ampulariids and viviparids are very similar. Aphaostracon pycnus Aperture oval, about 0.75 times as wide as high. Suwannee Hydrobe Aperture elliptical and loosely attached to or slightly separated from preceding whorl; 4.5-4.9 whorls. Umbilicus of shell closed. The giant African land snail is back in Florida after having been declared eradicated twice. 119). 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. University of Florida Three occur in Florida. 121). Aperture broadly ovate. Height of shell about 14-16 mm; width, 10-12 mm (Figs. Texture dull. Umbilical perforation narrow, 1/8 1/10 diameter of shell. Marsh Sprite Size: 2-4 cm. Armored Siltsnail Fingers crossed, it'll stay that way. Wekiwa Hydrobe Aperture widely separated from preceding whorl. Includes the limpkin, a Sunshine State specialty. 66). 128). Aperture broadly in contact with preceding whorl. Mesa Rams-horn Whorls generally arched. The International Commision on Zoological Nomenclature has ruled that AMPULLARIIDAE is the valid name for this family of snails. Three species in Florida were introduced from Southeast Asia. Nautilus, 19: 34. Common name: Florida applesnail Taxonomy: available through Identification: This species is the largest freshwater gastropod native to North America (Burch 1982). 180-193). Aperture moderately oblique. Outer lip nearly straight and parallel to axis of shell in adults (Fig. Size smaller than last species, seldom exceeding 10 mm in width (Figs.194-196). Three other species occur farther north. Nuclear whorl slightly protruding, 0.29-0.41 mm in diameter transverse to initial suture. Thompson, F. G. & R. Hershler. 130). Penis with 7-50 papillae along right margin and 1-4 papillae along distal third of left margin (Figs. Until recently the entire knowledge of the Florida freshwater snail fauna was based on miscellaneous papers dealing with single species, groups of closely related species or single river systems. Aphaostracon xynoelictus Apex with fine radial striations (Figs. Sides of spire concave in outline (Fig. Shell coiled to the left, with the aperture on the left side (Figs.147-158). Clench, W.J., & R. D. Turner. Shell variable in shape, elongate to globose; usually not more than 5 mm in length; apex of spire seldom eroded (except in Somatogyrus); 4-6 whorls; shell smooth (except in Pyrgophorus and Tryonia); central tooth of radula with basal cusps (Figs. Columellart margin of aperture not flat-faced; apex of shell usually entire; penis with large terminal lobe on left side and small appendage-like flagellum on right margin (Fig. Video. Surface smooth or dented with hammer marks. 35). 116a, 116b). Hatia pomilia hendersoni 1918. Brackish-water genera, Onobops and Heleobops, that are common in Florida are omitted. Penny Sprite) Micromenetus floridensis (Baker, 1945). Aperture trapezoidal in shape; spire more robust, straight sided; with a shallower suture; parapical crest large (Fig. Aperture narrowly in contact or free from preceding whorl. 16, 22-28). 134). This subfamily includes about fifteen North American and European genera (Thompson 1979). 118). You can also navigate through the images by clicking on the arrows near the left and right edges of the enlarged view. Typically, land snails live on or near the ground, feed on decaying plant matter, and lay their eggs in the soil. Similarities in appearance among the exotic species can make identification very difficult. Adult shells about 40-60 mm high (Fig. Planorbula armigera wheatleyi Planorbis alabamensis and dilatatus in the Floridian Pliocene. Penis with 0-6 papillae confined to right margin (Figs. 83). Aperture of shell closed by an operculum (snail must be collected live because the operculum is lost soon after death). Two species occur in Florida. The first edition of The Freshwater Snails of Florida: a Manual for Identification was published in 1984. Suture relatively shallow. Marsh Rams-horn Choctaw Lioplax Shell planular or disc-shaped; spire flat when raised above succeeding whorls (Figs. Penis with a very long slender flagellum that extends beyond terminal lobe. Melanoides turricula Blackwater Ancylid There is much disagreement as to how many species actually exist. Adult shells about 40 70 mm high (Fig. 15, 18). Most inhabit fresh water, but some also occur in brackish water. They are most common on tropical islands but occur also in cold regions, where they hibernate. Slackwater Elimia (Jay, 1839). For the purpose of completeness, the three parthenogenetic forms and C. geniculum are included in the key. (Thompson, 2000). Spiral sculpture absent. Giant African Land Snail Identification Sheet - Florida Commissioner of . Radial striations present or absent Laevapex Walker, 1903. MESZAROS: It's not clear how these snails entered Florida again. 135). Their color varies from red-orange, to pink, to a blue purple. Published April 18, 2013 (Reeve, 1856). Fossaria is found throughout North America, and in northern Europe. 2018). Shell smaller, generally less than 12 mm long. Pomacea paludosa, common name the Florida applesnail, is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Ampullariidae, the apple snails . Floridobia vanhyningi Critical Florida references are Thompson 1968, 1969, 2000; Thompson and Hershler, 1991, and Hershler and Thompson, 1992. Sculpture variable. (Lamark, 1822). Giant African snails can lead to giant problems. Alligator Siltsnail Thicker leaves may have damage on only one side. Malacological Review, Suppl. POMATIOPSIDAE Occasional Papers on Mollusks, 2: 385-412. Marginal teeth of radula trapezoidal with well-differentiated cusps. Shell light brown and frequently mottled with rust-colored spots that may form a spiral row below the suture.