Fortunately in Florida, the species are relatively easy to distinguish. Moderately large, thick-shelled operculate snails. Aphaostracon asthenes Aperture oval, about 0.75 times as wide as high. 3). (Lea, 1962). Incremental striations uniformly weak. The Florida Department of Agriculture and Consumer Services has mapped out a . Aperture enlarged (dilated). A taxonomic revision of the feshwater snails referred to as Elimia curvicostata, and related secies. Officials in Florida are again battling a highly invasive, extraordinarily destructive giant snail species that also happens to be capable of spreading parasitic worms that invade human brains . All snails in the subfamily Achatininae, including the giant African snail (GAS) (Lissachatina fulica), are regulated plant pests. Vertical ribs smooth along the periphery, strongly developed (Fig. Shell obese and ponderous.
Snails, Whelks, Conchs - Gulf Specimen Marine Lab The genus is found along the east coast of North America from Maryland south to Tabasco, Mexico. Lioplax pilsbryi pilsbryi Rotund Mysterysnail Shell depressed. All freshwater limpets in the southeast belong to this family. Aperture never with a septum. The systematic relationships of the hydrobiid snail genus Nymphophilus Taylor, 1966 and the status of the Subfamily Nymphophilinae. Ferrissia is widely distributed in the northern hemisphere. Umbilical perforation narrow, 1/8 1/10 diameter of shell. Thompson, F.G. 1979. Penis with two or more longitudinal crests within U-shaped superior tubercle (Fig. The spire differs between bumpy and smooth but it is always elongated. It can grow to a length of 16 inches (400 millimeters) and is easily identifiable by the left-handed opening of the shell - meaning when you look at the shell, the opening is on the left. Penis with papillae along right margin (Figs. Suture relatively shallow. Periphery of body whorl below middle, side of whorl flattened and sloping toward apex (Fig. The author has attempted to simplify the key to include the minimum anatomical data needed for accurate identification. 81-83). On sibling species and genetic diversity in Florida Goniobasis (Gastropoda, Prosobranchia, Pleuroceridae). Carib Fossaria Outer lip nearly straight and parallel to axis of shell in adults (Fig. Opercula of minute snails can be studied most easily by removing them from the animal and viewing them with transmitted light. Minor spiral sculpture weak or absent. Operculum paucispiral, with about three rapidly expanding whorls (Fig. The Pleuroceridae of the Atlantic Coastal Plain. 110). Penis as illustrated (Fig. Base of last whorl with prominent spiral ridges. Length of shell 2.0-2.5 mm (Fig. Choctaw Lioplax Hyacinth Siltsnail) Floridobia floridana (Frauenfeld, 1863). Browse and enjoy! 129). Identification KeysThese files are all keys for the identification of various kinds of organisms. Sides of spire concave in outline (Fig. Spire of adults with heavy vertical ribs; unicolor dark brown; usually less than 18 mm long (Figs. (Fig. Regal Hydrobe Shell specimens should be cleaned and air-dried. 34, 35) (Pomatiopsis, Fig.
EENY148/IN305: Tree Snails of Florida, Drymaeus - University of Florida Shell conical, thick, opaque. Shell planispiral, adults large, 35-50 mm (Figs. Those available covered only part of the state or part of the fauna. Identify your shells using our popular photo guide to southwest Florida shells from Sanibel Island and beyond.
An invasive, giant African snail is back in Florida. A portion of one This causes problems in species identification and yield an undermeasure of the actual number of species that exist in nature. Shell transparent or opaque. The manual treats only those genera that occur in freshwater. Shell transparent or translucent. Florida Cone (Family) Conidae Distinguishing Characteristics: The Cones are easily identified by the distinctive cone-like shape and a long aperture that reaches up to their shoulder. Basch (1963) recognized five valid species. Some species are dioecious with a normal representation of males and females. By Ker Than for National Geographic News. Peristome complete around aperture. Shell larger, thicker, and opaque; spire 0.9-1.3 times length of aperture; with more than 4.2 whorls; penis flagellum with glandular crests. Burch, J. 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. Wekiwa Hydrobe 115, 116). Viviparus intertextus Some hydrobiid snails from Georgia and Florida. 68); lobe and flagellum with various patterns of dermal glands; central tooth of radula with basocones located on reflected margin of tooth (Fig.
Invasive giant snail species that carries deadly parasite detected in Embryonic shell smooth, without spiral chords (Fig. Thompson, F. G. & R. Hershler. Occasional Papers of the Museum of Zoology, University of Michigan, (456): 1-6.
Invasive snail species found in Florida, University of Florida IFAS Thompson, F. G. 1982. (Pfeiffer, 1839). (Thompson, 1968). Conical Siltsnail Parietal margin of operculum concave (Fig. Umbilicus variable. Viviparus contectoides limi, new name for V. c. compactus Pils. 149). Thick-shelled Hydrobe 11). Shell conical to elongate-conical; whorls 4.0-4.5 with a deeply impressed suture. The Junonia is seldom found, and is considered a special find by beachcombers. Shell sculptured with fine spiral striations, and in some cases curved axial ribs. After the shells are thoroughly rinsed, they can be air-dried in cardboard trays. (Pilsbry, 1890). Three species are known from rivers entering northwest Florida from Georgia and Alabama. Shell with or without bright bands; with low wavy growth wrinkles; large but not robust, 23-28 mm long. Florida Shell Guide. According to the Florida Department of Agriculture and Consumer Services (FDACS), the giant African snail, commonly referred to as GALS by invasive-species aficionados, is native to East Africa . Stately Elimia Whorls of spire less rounded. (Thompson, 1968). 15, 18). Knobby Elimia (Lea, 1842). 109a, 109b). Shell unicolor, with distinct vertical sculpture in addition to strong spiral sculpture. However, this appears to be an over reduction, and several southern species were synonymized that appear worthy of recognition. Penis filament white. Micromenetus d. dilatus Shell distinctly carinated above and below; both apex and base funnel-shaped. In Florida four types of Campeloma have been recognized. (Thompson, 1968). Suture of whorls more deeply impressed than in previous species. Adults with six teeth in aperture, two on the parietal wall and four on the palatal wall. Shell conical or globose-conical; thin, translucent, occasionally opaque. Bantam Hydrobe 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. Malacological Review, 19: 85-86. 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 . Peristome narrow to broadly ovate. Giant African snails can lead to giant problems. Shell larger, reaching a maximum diameter of 18 mm. Suture deeply impressed. Aphaostracon pachynotus 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 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. 107, 108). Outer lip continuously rounded (Figs. Shell highly variable in shape; freshwater forms olivaceous or brown; adults with about 4.5-6.0 whorls; about 3.5-4.5 mm long (Fig. It also was the first adequately illustrated faunal summary published on the Southeast. This monumental work changed all previous concepts concerning subfamilies, genera and species in the family. It is presented in the form of key supplements with illustrations and habitat information to facilitate identifications. 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. 137, 139). The bulimulids of Florida have ovate-conical or bulimoid shells that at maturity range in size from 15 mm to 70 mm. One species, C. chinensis malleatus (Reeve, 1863) (Fig. 125); accessory crest absent on penis. 1965. Conical with relatively obese whorls. Dusky Ancylid This genus of minute freshwater snails is endemic to the Florida peninsula. Nuclear whorl 0.41 mm in diameter transverse to initial suture. 82). Outer lip straight in lateral profiles. Base of shell regularly expanding, not funnel-shaped. 67). Columellar margin of aperture very thick but not reflected over umbilical area (Fig.103). Another variety, with cream-colored flesh and mottled brown shells, was detected in 2022. Credit: Craig Pittman. Peristome incomplete around aperture. Operculum calcareous with two pegs on inner surface (Figs.
Florida Land Snail Gallery - A Pictorial Black-crested Elimia) Elimia albanyensis (Lea, 1864). Pseudosuccinea columella Campeloma limum Shell slender, attenuate. Shell glossy. Gray to brownish-yellow in color.
Freshwater Snails of Florida ID Guide - Invertebrate Zoology Ghost Rams-horn
Giant African Land Snails Discovered in Florida | Field & Stream They are beautiful when they are alive because the body of the snail is black with tiny white dots like the milky way galaxy. Their color varies from red-orange, to pink, to a blue purple. Length of shell 2.0-2.4 mm (Fig. Adult shell about 4-5 mm high; umbilicus wide; columellar margin of the aperture concave in outline (Fig. Shell short and stocky. 61). Length of shell 3.0-4.0 mm (Fig. Aperture elliptical and usually attached to preceding whorl; 4.1-4.5 whorls present. Snails in wild populations range in shell color from yellow to brownish-black, and may contain stripes or dimpling. 57). Shell minute, 2.4-2.7 mm long; adults with 3.9-4.2 whorls; spire short, 0.8- 1.1 times height of aperture (Fig. Base of shell usually without spiral band. There were no references to cover the entire state. Elimia athearni Penny Sprite) Micromenetus floridensis (Baker, 1945). Shell with spiral chords or spirally arranged series of nodes. Planorbella duryi Malacological Review, 12: 87-88. Aphaostracon pycnus Tryonia aequicostatus Burch, J.B. 1989. Radial striations present on shell but not on apex. 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. Aperture broadly in contact with preceding whorl. Vas deferens independent of blind caecum and its duct. Shell sexually dimorphic in size, males about one-third as long as females. The snails can produce 1,200 eggs in a year and grow up to about the size of a human fist.