Shell elongate, thin, transparent, grayish. (Say, 1825). Outer lip straightened just below shoulder; straightened portion lying at an angle to axis of shell (Figs. 35). Shell with about 4.5-5.0 whorls; about 3.0-4.8 mm long (Fig. Shell conical or globose-conical; thin, translucent, occasionally opaque. 1, 2). Outer lip less sinuous. 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. Shell very thin, fragile, transparent. Laevapex is a North American genus. Occasional Papers on Mollusks, 2: 385-412. When trying to identify the type of snail, the easiest method is to check it out closely. 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. 1945. Choctawhatchee Pebblesnail) Somatogyrus sp. Penis filament white. Some species that are endemic to Florida springs live in environments with nearly constant temperatures and apparently reproduce continuously throughout the year. Walkerana, 13: 1-108. Pilsbry, H. A. Shell shaggy with numerous spiral fimbriations that are broken into synchronized tufts. 60). It also was the first adequately illustrated faunal summary published on the Southeast. Some were range extensions for species known to occur in adjacent areas. 1992. Shell usually planispiral, but two species may have a flat-topped, elevated spire. 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. The basic shell morphology of the PLANORBIDAE is left-handed, or sinistral (FIGS. 57). Lyogyrus retromargo An investigation by FDACS Division of Plant Industry found multiple positive sites with the snail in Miami-Dade County. Texture dull. On sibling species and genetic diversity in Florida Goniobasis (Gastropoda, Prosobranchia, Pleuroceridae). Campeloma geniculum Essentially identical shells occur repeatedly among unrelated genera and subfamilies. (This character separates only the genera under consideration; genera from other areas of the world do not conform to this distinction.) (Thompson, 1968). Peristome incomplete around aperture. Work through the questions, each time choosing the characteristic that best matches your snail from the two choices. A Guide to Florida Bird Species | VISIT FLORIDA Whorls of spire strongly arched or rounded. 83). Apex in the posterior right third, domelike and evenly rounded. Body whorl uniformly rounded peripherally (Fig. 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. Periphery of last whorl bluntly angular, lying below plane of apex (Figs. This is not the first time Florida has dealt with an invasion of giant snails. 15). Shell brightly banded and with large, wide and wavey vertical folds; robust, usually 21-25 mm long (Fig. Whorls generally arched. It could take years to fully rid the state of the species, officials say. Most other genera have received relatively minor attention, and their systematics are in flux. Univ. Tadpole Physa Apical whorls raised to form a point on top of spire. 159). Shell without conical spines, although spiral threads may be present. Thompson, F. G. 1983. Bulletin of the Museum of Comparative Zoology, 129: 401-61. University of Illinois Press, Urbana. This genus contains three species. 1918. Shell ovate, smooth or with fine raised riblets; riblets usually on the anterior slope when present. Identifications are difficult in many instances without properly preserved specimens. Opercula should be glued to cotton plugs and replaced within the aperture. Conical Siltsnail Shell relatively thick (Figs. Plane of aperture nearly vertical when viewed from the side. Opercula of minute snails can be studied most easily by removing them from the animal and viewing them with transmitted light. Penis with some superior tubercles fused into a U-shaped crest; parapical crest raised on a fleshy pedicel; accessory crest and inferior crest usually present (Fig. Wm. (Thompson, 1968). The deterioration process is not reversible. Shell keeled or strongly angular at the periphery (Figs. Few of the North American species have been studied to the extent that their taxonomy, geographic distributions, life histories, and ecology are documented. Invasive snail species found in Florida, University of Florida IFAS 199). Micromenetus d. dilatus Last whorl distinctly shouldered. Radula with tricuspid lateral teeth (Fig. 90). Aperture enlarged (dilated). Sculpture consisting of distinct spiral striations and threads superimposed on growth striations (Fig. Red-rimmed Melania Pomacea paludosa - Wikipedia Rather stocky, adult about 15-20 mm long (Fig. Only genera that enter fresh water are treated. All About Snail kites - juvenile v. female snail kite identification Penis with superior tubercles forming a vague broken loop; invaginated cave-like pit absent. There were no references to cover the entire state. Melanoides tuberculata (Muller) in Florida. (Thompson, 1968). Invasive giant African land snail found in Florida can carry meningitis Penis with one papilla on left margin (Fig. 51, 52). Pewter Physa 111). (Lea, 1858). 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. Snails and Slugs - Gardening Solutions - University of Florida Shell usually squarish or rectangular in shape. Campeloma parthenum Tryonia aequicostatus The following key includes all of the species that occur in Florida and some that occur in Alabama, Georgia, and South Carolina. The snails can produce 1,200 eggs in a year and grow up to about the size of a human fist. Floridobia fraterna 2015; Jayashankar et al. Shell usually opaque in adults, with a dark red callus inside the lip (Fig. (Fig. The first edition of The Freshwater Snails of Florida: a Manual for Identification was published in 1984. Our state park system has won national awards . Define Invasive Species: must have ALL of the following -. Seashell Identification Identify your Florida Gulf Coast seashells! Being nocturnal, these pests aren't always feeding when you're scouting. Two Land Snails from Florida - What's That Bug? The snails remain a threat in Hawaii and the Caribbean after their eradication in Florida in 2021. Florida races to catch giant African snails, with the help of sniffer The Giant African Land Snail Has Been Spotted Again in Florida Weak spiral striations present on top of growth striations (Figs. 1956. A little practice may be necessary to perfect this relaxing procedure. 14), was introduced into a fishpond in St. Petersburg about 1921 and into lakes in Orlando about 1940. (Mller, 1774). Apex fairly prominent as a rounded knob in the right posterior quadrant (Figs. Identification Damage from snail and slug pests appears as oblong, irregular holes at both the margin and the center of leaves and flowers. Shell more slender and attenuate; spire more elongate in adults, about 0.7- 1.0 times height of aperture. 16, 22-28). Peristome complete around aperture. Penis with 3 I 0 small papillae around base and 7-15 papillae along right margin in a single row (Fig. 141). 54). They are beautiful when they are alive because the body of the snail is black with tiny white dots like the milky way galaxy. Biomphalaria havanensis Burch, J.B. 1989. Dense Hydrobe Shell sculptured with vertical, weakly curved ribs and much finer spiral striations. 85). Umbilicus wide (Fig. Body whorl inflated. Giant African land snail, Florida: Pest, parasite, meningitis concerns Pomacea paludosa Amnicola rhombostoma The systematic relationships of the hydrobiid snail genus Nymphophilus Taylor, 1966 and the status of the Subfamily Nymphophilinae. This causes problems in species identification and yield an undermeasure of the actual number of species that exist in nature. U.S. Florida Invasive species. Smooth-ribbed Hydrobe Only Elimia is found in Florida. Ponderous Siltsnail 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. Color uniform olive-green, never banded (Fig. 24, 27). 12). Shell conical to ovate-conical. 93). (Goodrich, 1924). JACKSONVILLE, Fla. - An invasive giant African snail that has already had to be eradicated twice in the last 50 years in Florida is back and one county is on high alert. Ferrissia hendersoni Sculpture variable. (Reeve, 1860). The state says a "gastropod enthusiast" collected unusual snails in the Coconut Grove area back in August. They were detected in 2011 in Miami-Dade County and eradicated again in 2021. (Thompson, 1968). Though small, this elusive specimen is a rare and valuable jewel, waiting to be discovered. Aperture broadly ovate. 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 . 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 Length of shell 2.2-2.6 mm (Fig. Malacological Review, 19: 85-86. Umbilicus narrow (Figs. Ferrissia is widely distributed in the northern hemisphere. Base of shell usually without spiral band. Vernacular names are given only for species. Horntail snails invade Florida with its first US appearance Apex of shell slightly convex in outline. The reader will discover how very little we know about any genus occurring in Florida. Many species are secondarily modified to appear right-handed or pseudo-dextral (FIGS. Haitia pomilia pomilia The best times to look for shells are after a high tide, after a storm, in the morning, and during the winter months. (Fig. (Pilsbry and Johnson, 1903). Aperture ovate; baso-columellar angle not extended; basal lip not indented. Some shells may be heavily encrusted with mineral deposit and algae, which may obscure details of the sculpture and color. (Gould, 1841). About 4.2-4.6 weakly arched whorls with a weakly impressed suture. 1934. Review of the Planorbidae of Florida with notes on other members of the family. Hydrobiids are small- to medium-sized operculate snails that live primarily in brackish and fresh water. Apical whorls depressed; body whorl obtusely angular above and sharply carinated around funnel-shaped umbilicus. (Fig. Last whorl not shouldered (Figs.155, 156). The other three forms, C. limum (Anthony, 1860), C. floridense Call,1866 and C. parthenum Vail, 1979, are exclusively apomictic parthenogens and have been separated on the basis of aperture coloration, embryonic shell coloration, and contour of the outer lip (Vail 1979a). Last whorl flattened above. Shell specimens should be cleaned and air-dried. Umbilicus broad, shallow (Fig. The family attains its greatest diversity in Southeast Asia. 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. Lobe and flagellum with various patterns of dermal glands (Fig. A review of the recent freshwater limpet snails of North America. Rock Springs Siltsnail Arboreal forms, such as Liguus of Florida and Cuba, tend to be brightly coloured; terrestrial forms usually are drab. Shell sculptured with fine spiral striations, and in some cases curved axial ribs. The Florida Department of Agriculture and Consumer Services has mapped out a . 180-193). Mihalcik, E. L. & F. G. Thompson. 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). Lioplax pilsbryi pilsbryi Three new freshwater snails of the genus Cincinnatia from peninsular Florida. Parietal margin of operculum convex. Planorbella trivolvis intertexta Suture more deeply impressed. Click on images to enlarge them. This pest remains a threat in Florida, Hawaii and the Caribbean. 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. (Pfeiffer, 1839). The criterion of inbreeding for defining species cannot be applied, and other objective criteria are not yet been established. Shell globose or tear-shaped. The coloration of the aperture and the embryonic shell is not consistent within single population samples, and the contour of the outer lip is highly variable within single drainage systems and with the age of the specimens examined. Spiral angulation on last whorl obsolete or bluntly rounded and forming a shallow sulcus below shoulder of last whorl. Basch (1963) revised the classification and recognized only twelve species. 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. 129). 66). 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. Alligator Siltsnail 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. Thompson, F. G. & R. Hershler. (Clench & Turner, 1956). Contents 1 Shell description 2 Distribution 3 Ecology 4 References 5 Further reading Shell description [ edit] Five views of a shell of Pomacea paludosa 87). Periphery of body whorl below middle, side of whorl flattened and sloping toward apex (Fig. Cone Snails - Central and South Florida Gastropod Seashell 1905. (Frauenfeld, 1863). It is believed the snail was introduced via the railway cars coming from Mexico. 1979b. Shell elongate-conical, with about 5-7 whorls. Hatia pomilia hendersoni Snails, Whelks, Conchs - Gulf Specimen Marine Lab 162). 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. 1979a. Peristome narrow to broadly ovate. Prominent minor spiral sculpture along periphery. Adequate preservation begins when the specimens are collected. 159-161). Thompson, F. G. 2000. Vas deferens independent of blind caecum and its duct. Whorls 3.8-4.3. Penny Sprite) Micromenetus floridensis (Baker, 1945). 159, 162, 165). Cymbal Ancylid Columellar margin of aperture very thick but not reflected over umbilical area (Fig.103). Shell conical or cylindric-conical. Conical with relatively slender whorls. Teardrop Snail Giant snails that were eating Florida homes finally eradicated again The primary differences between the two families are based on soft anatomy. These are white, which is the more prized color in. Combining characteristics of cranes and rails, it . The following shells are commonly found on Florida's beaches. 96). Whorls of spire less rounded. Female shell about 4-6 mm long (Figs. Thompson, F.G. 1968. Excentric Ancylid Inferior crest absent. 81). Penis with large a terminal lobe on the left side and a smaller appendix-like flagellum on the right side. Operculum tightly coiled with four slowly expanding whorls (Figs. The focus on most investigations was on rivers north of Florida, and little attention was given to the Florida fauna. 34, 35) (Pomatiopsis, Fig. The bulimulids of Florida have ovate-conical or bulimoid shells that at maturity range in size from 15 mm to 70 mm. Florida applesnail (Pomacea paludosa) - Species Profile - USGS 98). A parasite that can cause fatal disease in people and animals has been detected in South Florida (South Florida Sun-Sentinel) A dangerous parasite found in the giant African land snails that. Inside of lip with or without a reddish callus but callus never dark red in color. Shell globose with a relatively depressed spire; about 1.0- 1.2 times as high as wide. Two-ridged Rams-horn A giant African snail sighting in Florida enacted a quarantine over parasite concerns. Shell large, 4.0-4.6 mm long; thick and opaque. Pseudotryonia brevissimus Laevapex peninsulas 69, 70). 16 Different Types of Snails: Ultimate Guide (With Pictures) Sexes not conspicuously dimorphic in size. The author has attempted to simplify the key to include the minimum anatomical data needed for accurate identification. In the event that only shell specimens are available, picture-matching may be necessary to eliminate some choices in the couplets. Apex subacute, distinctly eccentric to the right of the midline. 169, 172). 197-209). Alexander Siltsnail 170, 173). 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 . (Thompson, 1968). Apex slightly behind and slightly to the right of midline. Shell short and stocky. Bayou Physa 56). Invasive snail that loves damaging plants, living in humidity found in Cockscomb Hydrobe Shell conical, spire moderatly high. In 1976 in the St. Johns River 1 found Melanoides tuberculatus with population densities of 10,000/m2. Penis with 0-6 papillae confined to right margin (Figs. The coloring makes state officials. Shell 2.8-3.7 mm long. 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 Peninsula Ancylid 49, 50). Vertical ribs strongly developed, crossed by nearly equal sized spiral threads that form low spines where they cross the ribs, adults about 20-25 mm long (Fig. Euglandina rosea - Wikipedia Shell conical, olivaceous in color. (Thompson, 2000). 159-179). Last few whorls in large adults scalariform. (Reeve, 1856). Penis filament black. Sculpture above periphery of whorls consisting of sharp spiral chords and distinct vertical ribs; shell attenuate. 160, 163, 166). North American freshwater snails: species list, ranges and illustrations. (Mihalcik & Thompson, 2002). For the purpose of completeness, the three parthenogenetic forms and C. geniculum are included in the key. (Lea, 1962). Earlier whorls of adult shell with vertical ribs and spiral chords. shell with 3.9-4.2 whorls (Fig. Shell with spiral chords or spirally arranged series of nodes. The living snail is bright orange. Prominent vertical ribs on middle and upper whorls. (Say, 1825). Clifton Spring Hydrobe Graphite Elimia Mantle cavity with gill on dorsal surface. It is characterized by the lobed shape and glandular patterns of the penis. Spiral sculpture absent. Adults 9-15 mm wide (Figs. Floridobia mica Curator of Malacology. 48). 109a, 109b). 180-182). (Lea, 1834). Size smaller than last species, seldom exceeding 10 mm in width (Figs.194-196). Outer lip straight in lateral profiles. 204-207), often eroded in older specimens. Shell thick and solid; whorls weakly convex or flattened (Figs. Browse and enjoy! (Thompson, 1968). Marsh Sprite Length of shell up to 5 mm. Fossaria modicella Shell coiled to the right, with the aperture on the right side (Figs. Another giant African snail sighting forces Florida county into Sci. Length of shell 2.0-2.4 mm (Fig. Each snail has both female and male reproductive organs, so they can reproduce rapidly. Vail, V. A. Newborn shells brown. 5). Slackwater Elimia 173). 137, 139). Dorsl surface of penis with a few elongate superior tubercles that form a weakly defined U-shaped pattern. 115, 116). Shell usually marked with red or rust-colored spots, flames, or bands (most apparent on juvenile specimens). 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. Planorbula armigera wheatleyi Seashell Identification | Shell ID | Identify Sanibel Shell | I Love 119). This snail was twice established in southeastern Florida and was successfully eradicated both times.
florida snail identification
