florida snail identification florida snail identification

Formalin does not even serve as a good fixative or preservative for long-term anatomical studies. Shell subcircular, smooth, often encrusted with dark material. U-shaped superior crest not enclosing longitudinal crests. Shell very thin, fragile, transparent. This study was a landmark contribution to the malacology of the southeast, and it summarized the known fauna of western Florida. Aperture broadly attached to preceding whorl across parietal wall. Spire depressed, much less than height of aperture, occasionally planular (Figs. 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. Seminole Siltsnail (Goodrich, 1924). Sci. Endemic New World genera occur in Cuba, Jamaica, and northern South America. The reader will discover how very little we know about any genus occurring in Florida. They have been found in extremely high numbers in some crop fields, including corn, cotton, and peanuts, in home gardens, and around farm . Female shell about 3.5-4.0 mm long (Fig. Shell with 4.4-5.0 whorls; about 3.7-5.2 mm long. Introduction to the Physidae (Gastropoda, Hydophila): biogeograhy, classification, morphology. Apical whorls bluntly rounded and not conspicuously elevated. Apex in the posterior right third, domelike and evenly rounded. 2015; Agudo-Padron 2018). Penis with large a terminal lobe on the left side and a smaller appendix-like flagellum on the right side. (Thompson & Hershler, 1991). Umbilicus narrow, without a strong circum-umbilical ridge, outer lip without a callus on inner surface. Umbilicus broad, shallow (Fig. These are white, which is the more prized color in. Whorls flat-sided with suture weakly impressed. 36); males with a copulatory appendage, a penis (Fig. (Thompson, 1968). (Weatherby, 1879). Last whorl flattened above. 148). Whorls of spire pointed and scalariform (steplike with nearly flat shoulders and deep sutures). 100). Accessory crest absent. Revista de Biologia Trpical, 51 (supplement): 1-299. 15, 18). Shell discoidal, grayish-white in color; transparent when fresh. Sides of spire slightly convex. 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. Spiral angulation on last whorl obsolete or bluntly rounded and forming a shallow sulcus below shoulder of last whorl. Shell olive-green with vertical reddish flames and spots. Radula with bicuspid lateral teeth (Fig. Contents 1 Shell description 2 Distribution 3 Ecology 4 References 5 Further reading Shell description [ edit] Five views of a shell of Pomacea paludosa Sculpture above periphery of whorls consisting of sharp spiral chords and distinct vertical ribs; shell attenuate. 66). The lymnaeid fauna of the southeast is particularly depauperate compared to more northern and western regions of the continent. The coloring makes state officials. Planorbid snails are restricted to fresh water and occur worldwide, being found on all continental landmasses and many oceanic islands. Sculpture variable. Body whorl relatively rapidly expanding in diameter (Fig. Hyacinth Siltsnail) Floridobia floridana (Frauenfeld, 1863). Bulletin of the Environmental Protection Agency, EPA-600/3-82-026: i-vi, 1-294. Aperture never with a septum. (Thompson, 2000). Eight species have been proposed. Fawn Melania Interior of adult aperture with brownish tinge. 84). 2015; Jayashankar et al. Viviparus georgianus 4). (Menke, 1839). (Pilsbry, 1899). Whorls 3.0-4.0. Shell medium to large (12-75 mm). 143). Inside of lip with or without a reddish callus but callus never dark red in color. Adults about 2-3 mm long (Figs. This monumental work changed all previous concepts concerning subfamilies, genera and species in the family. Penis with different arrangement of papillae than above. Cockscomb Hydrobe Carib Physa Thompson, F. G. 1982. Average length about 5 mm (Figs. Aperture relatively large with fine, uneven, serrate denticles along parietal wall (Fig. Thompson, F. G. & R. Hershler. Mimic Pondsnail Shell conical to ovate-conical. Height of shell about 14-16 mm; width, 10-12 mm (Figs. Radula with tricuspid lateral teeth (Fig. 200, 206). 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. 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. University of Illinois Press, Urbana. Serrated Crownsnail Aphaostracon theiocrenetus The . In others they are deposited in the water in gelatinous clusters. 112), occurs in the Ocmulgee River system in Georgia. Floridobia ponderosa It is most common in Southwest Florida, and northwest Florida. 159-196). Axial striations distinct (Fig. Penis with a very long slender flagellum that extends beyond terminal lobe. Shell larger, 2.2-4.8 mm long. 5: 1-140. Planorbis alabamensis and dilatatus in the Floridian Pliocene. Many have been synonymized, some undeservingly so. As a result . Proceedings of the Academy of Natural Sciences of Philadelphia, 86: 29-66. Live field samples should be divided into two groups, one to be preserved for shells, the other to be preserved for anatomical specimens. Outer lip of aperture arched forward (Figs. Umbilicus open. Sculpture consisting of incremental striations only. Shell larger, 2.8-4.6 mm long; adults with 4.0-4.9 whorls; spire longer, 0.9-1.3 times height of aperture; superior tubercles not arranged in oblique longitudinal series. Slough Hydrobe Base of shell usually without spiral band. Slackwater Elimia Additional genera occur in the Orient, Southeast Asia, Africa, and South America. Haitia cubensis Body whorl compressed (Fig. 140). Shell with prominent ribs and spiral chords on all whorls. (Thompson, 1968). 109a, 109b). Blue Spring Hydrobe Define Invasive Species: must have ALL of the following -. The molluscan family Planorbidae. Length of shell 2.0-2.4 mm (Fig. Parietal margin of operculum slightly convex in outline (Fig. The following key includes all of the species that occur in Florida and some that occur in Alabama, Georgia, and South Carolina. Choctaw Lioplax Base of shell regularly expanding, not funnel-shaped. 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. The bio-economic importance of snails to environmental issues has become increasingly relevant because of the impact that economic development has on Florida waterways. Operculum with about 3 whorls (Fig. 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. Shell sculptured with fine spiral threads. Amnicola rhombostoma 124). (Pfeiffer, 1839). Click on any of the seashell identification photos for information about each shell, where they were found, who found these shells and so much more. Occasional Papers of the Museum of Zoology, University of Michigan, (456): 1-6. Shell without conical spines, although spiral threads may be present. Lower margin of aperture not advanced beyond upper margin. 4, 5). Umbilicus closed or narrowly perforate. Incremental striations uniformly weak. Medium to large freshwater snails found on all continents except South America. Shell ovate or subcircular in shape, smooth or with radial sculpture localized anteriorly. (Mller, 1774). Shell coiled to the right, with the aperture on the right side (Figs. Viviparus contectoides limi, new name for V. c. compactus Pils. Floridobia alexander Aperture ovate; baso-columellar angle not extended; basal lip not indented. Brownish-yellow in color (Fig. Marsh Rams-horn Six species are known to occur in Florida. It should also be remembered that many groups have not been studied sufficiently, and the reader may have material that adds to or contradicts previously recorded information. Spire usually about equal to or greater than height of aperture (Figs. Work through the questions, each time choosing the characteristic that best matches your snail from the two choices. After the shells are thoroughly rinsed, they can be air-dried in cardboard trays. RELATED: Proof of megalodon extinction is in their teeth, scientists say. When trying to identify the type of snail, the easiest method is to check it out closely. Length of shell 2.4-3.4 mm (Fig. The systematic relationships of the hydrobiid snail genus Nymphophilus Taylor, 1966 and the status of the Subfamily Nymphophilinae. Penis with 2 or 3 papillae on left margin (Fig. Columellar margin of aperture very thick but not reflected over umbilical area (Fig.103). Adams, 1841). Shell cap-shaped or limpet-like with a wide, open aperture forming base of shell (Figs. 132). Their color varies from red-orange, to pink, to a blue purple. It should be remembered that it is only a key which emphasizes shell characters. A review of the recent freshwater limpet snails of North America. 38). Laevapex diaphanus Shell cylindric-conical, solid opaque; 4.5-4.9 moderately rounded whorls. Adult size small, about 12-16 mm long (Fig. (Thompson, 1968). 22). Marginal teeth of radula trapezoidal with well-differentiated cusps. Shell thick and solid; whorls weakly convex or flattened (Figs. The genus Viviparus (Viviparidae) in North America. 149). Physid species have similar and superficially featureless, variable shells, and the shell is imprecise for identifying most genera and many species. Alligator Siltsnail Most have monotonously simple, conical or depressed-conical shells that are nearly devoid of taxonomically useful characteristics. Adults with six teeth in aperture, two on the parietal wall and four on the palatal wall. 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. Aphaostracon rhadinus (Anthony, 1860). Floridobia porterae Veliger, 45:269-271. 16, 25, 28). 2002. Littoridinops is found most frequently in brackish water, although the three species found in Florida also occur in frehswater. Clench, W.J., & R. D. Turner. Pomacea canaliculata (Thompson, 1968). Tarebia granifera U.S. Florida Invasive species. Shell small, 2.0-2.8 mm long. All snails in the subfamily Achatininae, including the giant African snail (GAS) (Lissachatina fulica), are regulated plant pests. Shell with about 4.5-5.0 whorls; about 3.0-4.8 mm long (Fig. Prepared by Fred G. Thompson, Fmr. The reader may be troubled by the imprecise shell characteristics that are used in the key. 14), was introduced into a fishpond in St. Petersburg about 1921 and into lakes in Orlando about 1940. Shell elongate conical, spire high. Prominent vertical ribs on middle and upper whorls. Channeled Applesnail 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. 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 . Hood Ancylid Shell planispiral, adults large, 35-50 mm (Figs. Being nocturnal, these pests aren't always feeding when you're scouting. Body whorl strongly keeled as though pinched at the periphery (Figs. Weak spiral striations present on top of growth striations (Figs. Spiral sculpture absent. 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. (Linnaeus, 1758). This species is a fast and voracious predator, hunting and eating other snails and slugs.