florida snail identification

Aphaostracon hypohyalina Shell with three whorls. 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 . 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. Female shell about 3.5-4.0 mm long (Fig. Apex very short, only slightly raised above body whorl. Female ovoviviparous with about 15 large embryos in uterus. 141). 1963. Outer lip of aperture strongly sinuous in lateral profile (Fig. Elimia buffyae 51, 52). Umbilicus narrow, without a strong circum-umbilical ridge, outer lip without a callus on inner surface. Our knowledge of the fauna has greatly increased during recent years, and a summary of this information was desirable to facilitate other kinds of study. Thompson, F. G. 2000. Vas deferens independent of blind caecum and its duct. Photo: University of Florida. 171-173). 2018). (Fig. Rails, gallinules, coots and cranes. Spire depressed, much less than height of aperture, occasionally planular (Figs. Basch (1963) recognized five valid species. 202, 208). Indented Duskysnail 159-161). 17-29). Umbilicus widely perforate, accentuated by a strong circum-umbilical keel. Base of shell usually without spiral band. Shell narrow, terete or cylindric-conical with a moderately impressed suture. (Goodrich, 1924). Acad. 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. Spire raised and flat-topped. Shell planispiral, adults large, 35-50 mm (Figs. Apex proportionally longer, about 0.3-0.5 times length of shell. The species of snail was present in Florida in the 1960s and 1970s before being eradicated in 1975, the FDACS said. Thompson, F.G. 1979. Thompson, F.G. 1968. It could take years to fully rid the state of the species, officials say. Only Elimia is found in Florida. Apex distinctly convex in outline. The species are highly variable, and there is no consensus regarding the number of valid species. Females with live embryos in brood pouch in mantle; males with right eye stalk modified as a penis. Invasive snails that already cost FL $24 million are - Florida Phoenix Shell conical or cylindrical-conical in shape; spire elevated; body whorl not disproportionately voluminous; umbilicus closed or open. Freshwater Snails of Florida ID Guide - Invertebrate Zoology 11). Henscomb Hydrobe Elimia dickinsoni 93). Most other genera have received relatively minor attention, and their systematics are in flux. Shell smooth. Operculum constructed entirely of concentric rings (Fig. Occasional Papers on Mollusks, 2: 261-87. Campeloma limum Gulf Coast Pebblesnail) Somatogyrus walkerianus (Aldrich, 1905). Aperture rhomboid; baso-columellar angle extended as slight tonguelike projection; basal lip broadly but shallowly indented (Fig. Viviparus intertextus 1991. Aquatic; moves by gliding motion. Parasite infecting Florida snails poses health danger - Phys.org Click on the link in the row that best matches your snail. Brackish-water genera, Onobops and Heleobops, that are common in Florida are omitted. 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. (Vail, 1979). Planorbella duryi Work through the questions, each time choosing the characteristic that best matches your snail from the two choices. Invasive snail that loves damaging plants, living in humidity found in (Walker, 1925). Dense Hydrobe Giant African land snail, Florida: Pest, parasite, meningitis concerns . Additional surveys found four different populations all associated with the CSX railways. Elimia floridensis Two new species of hydrobiid snails from Florida and Georgia, and a discussion of the biogeography of south Georgia streams. The bio-economic importance of snails to environmental issues has become increasingly relevant because of the impact that economic development has on Florida waterways. Includes the limpkin, a Sunshine State specialty. 77-79). Florida. 113). Shell keeled or strongly angular at the periphery (Figs. 38). Umbilicus closed. Numerous species of exotic snails are serious pests of plants and threats to public health. Fossaria cubensis (Gould, 1841). Littoridinops tenuipes In previous editions of the manual species of Floridobia were placed in the genus Cincinnatia. Aperture large, oval, much more than half the length of shell. Micromenetus brogniartiana 148). 69). 58). The reader will discover how very little we know about any genus occurring in Florida. Shellolive-colored; spire straight-sided. Florida Horse Conch ( Triplofusus giganteus) is the largest snail in North America and is Florida's state shell. 159-179). Slough Hydrobe This genus of minute freshwater snails is endemic to the Florida peninsula. Shell 2.8-3.7 mm long. Formalin does not even serve as a good fixative or preservative for long-term anatomical studies. Apex very obtuse, almost in the middle of the shell. Shell discoidal, grayish-white in color; transparent when fresh. 198, 205). EENY148/IN305: Tree Snails of Florida, Drymaeus - University of Florida Last few whorls in large adults scalariform. 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. Mantle diffusely pigmented with melanophores (Fig. Sci. These are white, which is the more prized color in. Apex nearly straight-sided or concave in outline. Shell unicolor, never banded. 85). 65). Elimia doolyensis Outer lip straightened just below shoulder; straightened portion lying at an angle to axis of shell (Figs. 92). Goodrich, C. 1942. It also was the first adequately illustrated faunal summary published on the Southeast. 60). Aperture enlarged (dilated). (Couper, 1844). This species is a fast and voracious predator, hunting and eating other snails and slugs. Shell transparent or translucent. Earlier whorls of adult shell with vertical ribs and spiral chords. Common Shells of SW Florida and Keewaydin Island Beaches (Thompson, 1968). Campeloma parthenum Occasionally it may be necessary to turn to other information sources to determine identifications with a greater degree of certainty.. Suture of whorls more deeply impressed than in previous species. 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. (Say, 1829). Aperture broadly ovate. 203, 209). 105, 106). Malacologia, 23: 81-82. They have been found in extremely high numbers in some crop fields, including corn, cotton, and peanuts, in home gardens, and around farm . Floridobia helicogyra 16, 29). 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. 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 . Sculpture consisting of distinct spiral striations and threads superimposed on growth striations (Fig. Opercula should be glued to cotton plugs and replaced within the aperture. 17, 29-32), shell usually banded in Florida forms. Base of shell when viewed from below showing about half of preceding whorl due to straight basal lip (Fig. Nautilus, 19: 34. Shell nearly smooth, sculptured with irregularly spaced incremental striations (Figs. 1-69. (Pilsbry, 1890). Snails in wild populations range in shell color from yellow to brownish-black, and may contain stripes or dimpling. 2002. Shell distinctly carinated above and below; both apex and base funnel-shaped. Rock Fossaria Aphaostracon rhadinus Aperture strongly oblique. (Fig. A preliminary revision of Florida Lioplax (Gastropoda: Viviparidae), with a description of Lioplax talquinensis n.sp. Aperture usually open; occasionally with a horizontal, shelf-like septum closing posterior part (Fig. Lymnaeids are a nearly cosmopolitan family of freshwater snails. In the event that only shell specimens are available, picture-matching may be necessary to eliminate some choices in the couplets. Length of shell about 2.2-2.8 mm long (Fig. Florida announced on Wednesday it has eradicated the African giant land snail - an invasive species that can destroy homes and infect people with meningitis - for the second time. (Vanatta, 1935). 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. Hello Bruce. 149). Aperture elliptical in shape; spire slenderer and slightly convex in outline; suture moderately impressed suture; parapical crest reduced in size. Planorbula armigera wheatleyi It is presented in the form of key supplements with illustrations and habitat information to facilitate identifications. (Thompson, 1968). Radial riblets on entire surface of shell except apex. 49, 50). Base of shell open when viewed from below, showing most of preceding whorl due to curved basal lip (Fig. Evolution has proceeded primarily through reproductive and trophic specializations. (Walker, 1905). 54). However, this appears to be an over reduction, and several southern species were synonymized that appear worthy of recognition. Narrowly umbilicate. They complete their life cycles in one year. Periphery of last whorl bluntly angular, lying below plane of apex (Figs. Surface smooth or dented with hammer marks. 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 . Shell conical to ovate-conical. The Horntail Snail ( Macrochlamys indica ): A New Invasive Pest in Florida Marginal teeth of radula trapezoidal with well-differentiated cusps. Shell Guide | Bailey-Matthews National Shell Museum | Sanibel Island The . Shell elongate. The first edition of The Freshwater Snails of Florida: a Manual for Identification was published in 1984. Spire shorter, conical, 0.7-1.3 times length of aperture, nearly straight-sided in outline, suture of whorls weakly or moderately impressed. 169, 172). In view of the inconsistency of these shell characters, these three forms may represent only a single species, Campeloma limum, which is widely distributed from the Escambia River system of Florida and Alabama east and north into North Carolina and Virginia. A catalogue of the Viviparidae of North America with notes on the distribution of Viviparus georgianus Lea. Terminal lobe of penis slender. 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. Wekiwa Hydrobe Shell elliptical in shape. The Florida Department of Agriculture and Consumer Services has mapped out a . 45). 158). Marisa cornuaurietus 2015; Agudo-Padron 2018). All freshwater limpets in the southeast belong to this family. (Say, 1825). Fossaria is found throughout North America, and in northern Europe. The planorbid fauna of the southeastern states is particularly poorly known. A press release sent from FDACS said that a gastropod enthusiast in Coconut Grove discovered the snail and sent it to the University of Florida for identification. It contains about a dozen species in North America. NERITIDAE 110). Prominent minor spiral sculpture along periphery. Land snail | gastropod | Britannica Shell sculptured with fine spiral threads. Outer lip of aperture with a thick callus on inner surface. 89-91). The primary differences between the two families are based on soft anatomy. (Lamarck, 1822). Waccasassa Elimia Vertical ribs smooth along the periphery, strongly developed (Fig. Aperture loosely attached to or widely separated from preceding whorl. Shell rounded at the periphery (Figs. Shell elongate with pointed conical spire. The family contains many genera and numerous species in South America, Central America, Mexico, Africa, and Southeast Asia. Aperture narrowly in contact or free from preceding whorl. . Base of last whorl with prominent spiral ridges. This family contains twelve genera in North America. Vernacular manes used in this manual are consistent with the standardized list of vernacular names for North American freshwater snails recently established by the American Fisheries Society (Turgeon, et al, 1998). Aperture relatively large with fine, uneven, serrate denticles along parietal wall (Fig. This pest remains a threat in Florida, Hawaii and the Caribbean. This revision follows the classification proposed by Taylor. Shell slender, attenuate. Aperture non-operculate; mantle cavity modified into a lung. From a distance, the snail kite generally resembles a medium-sized hawk with broad wings. 10). terrestrial snails affecting plants in Florida - University of Florida A single species consisting of two highly variable subspecies occurs in Florida. A systematic study of the Family Physidae (Basommatophora: Pulmonata). Giant Snails Carrying Meningitis Are Causing Concern in Florida - Newsweek 15). Umbilicus narrow, deep (Fig. Definitive identifications may require anatomical dissections and reference to other literature. Shell more slender, about 0.30-0.35 times as wide as high. The Giant African Land Snail Has Been Spotted Again in Florida 16, 22-28). Littoridinops is found most frequently in brackish water, although the three species found in Florida also occur in frehswater. Penis as illustrated (Fig. 170, 173). One species occurs naturally in Florida, and three others have been introduced. Types of Shells In Florida: Seashell Identification Guide It lurks nearly a foot beneath the dunes of Sanibel Island. 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. Shell sculptured with fine spiral striations, and in some cases curved axial ribs. (Vanatta, 1934). Tadpole Physa Shell usually small to medium (2-25 mm). (Pilsbry and Beacher, 1892). Sea Snails | FWC - Florida Fish And Wildlife Conservation Commission 1918. This causes problems in species identification and yield an undermeasure of the actual number of species that exist in nature. Ghost Rams-horn Shell conical or globose-conical; thin, translucent, occasionally opaque. 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. Radula with bicuspid lateral teeth (Fig. shell with 3.9-4.2 whorls (Fig. Most snails will have a conical shaped shell. Few of the North American species have been studied to the extent that their taxonomy, geographic distributions, life histories, and ecology are documented. Florida applesnail (Pomacea paludosa) - Species Profile - USGS Apex in the posterior right third, domelike and evenly rounded. Penis with one papilla on left margin (Fig. 129). Their color varies from red-orange, to pink, to a blue purple. Over 500 species of Elimia have been described, most on the basis of shell characters. Sculpture above periphery of whorls consisting of nodes arranged in vertical and spiral rows. Elimia floridensis ssp. (Call, 1886). The greatest diversity of genera and species is in the Indo-Australian region. Most species are disc-shaped or planular, as is implied by the name PLANORBIDAE. 3:51. Thiarids are ecologically significant because they tend to replace native snails where they are introduced and because of their abundance. Aperture widely separated from preceding whorl. The snails can produce 1,200 eggs in a year and grow up to about the size of a human fist. Thompson, F. G. 1983. 169). (The penis is normally recurved into the mantle cavity, except during mating. Outer lip of aperture arched forward (Figs. Mesa Rams-horn Its brown spotted exterior provides camouflage, making it a challenge to spot. Ferrissia is widely distributed in the northern hemisphere. Aphaostracon pachynotus Adequate preservation begins when the specimens are collected. (Conrad, 1834). 3). Shell depressed. The bodies of large snails, such as viviparids and pilids, should be pulled from the shell. Lyogyrus retromargo Fossaria modicella Their siphonal canal is merged with their aperture and called a "siphonal notch". Alexander Siltsnail 16, 17). (Sowerby, 1878). (Lea, 1838). Shell glossy. Shell with about 4.5-5.0 whorls; about 3.0-4.8 mm long (Fig. A Guide to Florida Bird Species | VISIT FLORIDA This is particularly so in the Pulmonata. Identification KeysThese files are all keys for the identification of various kinds of organisms. The snail can wreak havoc on agriculture and carry a parasite that causes meningitis in humans.. The planorbid snail Micromenetus dilatatus avus in the West Indies and Central America. Umbilicus of shell perforated or broadly open. A giant African land snail, photographed at a lab in 2014. Aphaostracon asthenes As a result . Sides of spire concave in outline (Fig. Sculptured with fine incremental striations and a few fine spiral striations (difficult to distinguish except with transmitted light). 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. Aphaostracon monas (Thompson, 1968). Slender Walker 180-193). Florida's Apple Snails | FWC - Florida Fish And Wildlife Conservation Columellar margin of aperture very thick but not reflected over umbilical area (Fig.103). Amazing snails - Sea snails of Florida - Google Suture not as deeply impressed as in 77b. 37), which is important for generic and specific diagnosis. The horntail . (Thompson, 1968). Penis with a single papilla along left margin (Fig. Umbilicus open. Female shell about 4-6 mm long (Figs. Bantam Hydrobe (Fig. Davis, G.M., M. Mazurkiewicz, & M. Mandracchia. Common name: Florida applesnail Taxonomy: available through Identification: This species is the largest freshwater gastropod native to North America (Burch 1982). A Guide to Florida Bird Species. Native and Invasive Land Snails - Rare, Beautiful & Fascinating Is non-native to the area, in our case northwest Florida Pseudotryonia brevissimus Aperture terminating below periphery of body whorl. An invasive, giant African snail is back in Florida. A portion of one Shell translucent. 97). Vail, V. A.

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