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170, 173). 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. 54). Operculum calcareous with two pegs on inner surface (Figs. This genus of minute freshwater snails is endemic to the Florida peninsula. 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 . Whorls 3.8-4.3. Occasional Papers on Mollusks, 2: 385-412. Penis as illustrated (Fig. 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. (Thompson, 1968). Red-rimmed Melania Operculum with concentric growth rings around nucleus (Figs. Melanoides tuberculata Parapical crest of verge greatly enlarged. Thin and translucent or transparent. 1979a. Whorls of spire less rounded. 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. Adults 9-15 mm wide (Figs. Floridobia fraterna (Say, 1825). Operculum spiral, consisting of two or more rapidly increasing whorls (Fig. The Junonia is seldom found, and is considered a special find by beachcombers. Three species are known from rivers entering northwest Florida from Georgia and Alabama. 81). Shell rounded at the periphery (Figs. 88). 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. Aperture broadly elliptical. Blackwater Ancylid Snails have invaded some local areas throughout northern Santa Rosa and Escambia Counties this summer. Length of shell 3.0-4.0 mm (Fig. The first edition of The Freshwater Snails of Florida: a Manual for Identification was published in 1984. The current status of these introductions is not known. Malacologia, 23: 81-82. (Pilsbry, 1889). (Thompson, 1968). Henscomb Hydrobe Adequate preservation begins when the specimens are collected. Adults about 5 mm long (Figs. Apex fairly prominent as a rounded knob in the right posterior quadrant (Figs. One species occurs naturally in Florida, and three others have been introduced. Regal Hydrobe MESZAROS: It's not clear how these snails entered Florida again. Sculpture above periphery of whorls consisting of sharp spiral chords and distinct vertical ribs; shell attenuate. Penis with 3-7 papillae along right margin and a projection with 1-4 papillae near end on left side (Figs. Vertical ribs smooth along the periphery, strongly developed (Fig. Elimia dickinsoni 69, 70). From a distance, the snail kite generally resembles a medium-sized hawk with broad wings. Penis with superior tubercles forming a vague broken loop; invaginated cave-like pit absent. Shell elongate. Brackish-water genera, Onobops and Heleobops, that are common in Florida are omitted. (Pfeiffer, 1839). Shell globose with a relatively depressed spire; about 1.0- 1.2 times as high as wide. 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. Bright pink egg masses are laid on . Viviparus contectoides limi, new name for V. c. compactus Pils. (Lea, 1842). Apex slightly behind and slightly to the right of midline. (Mihalcik & Thompson, 2002). Hyacinth Siltsnail) Floridobia floridana (Frauenfeld, 1863). (Haldeman, 1841). Aperture usually open; occasionally with a horizontal, shelf-like septum closing posterior part (Fig. Hood Ancylid One species, Spilochlamys turgida (Thompson, 1969), the Pumpkin Siltsnail (Fig. Slackwater Elimia A review of the recent freshwater limpet snails of North America. Apex very obtuse, almost in the middle of the shell. 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. 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. 159, 162, 165). Marginal teeth of radula spatulate and bearing 8-10 weakly differentiated cusps. Applesnails are tropical to subtropical organisms and cannot survive below 50F in the winter (Florida DOACS, 2002). 36). Three new freshwater snails of the genus Cincinnatia from peninsular Florida. Typically, land snails live on or near the ground, feed on decaying plant matter, and lay their eggs in the soil. Purple-throated Campeloma Apex very short, only slightly raised above body whorl. 130). 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. Aphaostracon hypohyalina Shell smooth. Aperture ovate; baso-columellar angle not extended; basal lip not indented. Peristome complete around aperture. The radula can be studied by dissecting out the buccal mass and macerating it in clorox or sodium hydroxide. 110, 111, 68). Escambia Elimia Apex about 0.4-0.5 times length of shell. Aperture elliptical or trapezoidal in shape. Aperture large, oval, much more than half the length of shell. 34); penis frlattened, blade-like (Fig. Shell glossy. 35). Florida Museum of Natural History 44). Outer lip of aperture arched forward (Figs. Shell more slender and attenuate; spire more elongate in adults, about 0.7- 1.0 times height of aperture. The specie prefer quite clear water, of lakes and backwaters of streams andsprings. 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. Thompson, F.G. 1968. Penny Sprite) Micromenetus floridensis (Baker, 1945). 204-207), often eroded in older specimens. Black-crested Elimia) Elimia albanyensis (Lea, 1864). (Say, 1829). Floridobia ponderosa Newborn shells white. 17, 29-32), shell usually banded in Florida forms. Length of shell 2.2-2.6 mm (Fig. 32). Fossaria is found throughout North America, and in northern Europe. Aphaostracon monas Gray to brownish-yellow in color. Penis with a few simple scattered superior tubercles on outer surface; parapical crest on a low ridge; accessory crest and inferior crest absent (Fig. Body whorl rounded (Fig. The Florida Department of Agriculture and Consumer . 110). Aphaostracon xynoelictus 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). Our state park system has won national awards . Body whorl strongly keeled as though pinched at the periphery (Figs. Shell usually large, about 12-16 mm long. Shell sculptured with prominent nodes overlapping suture and forming crenulations. Waccasassa Elimia Inferior crest usually present. 33); males without copulatory structures. 164, 167). (Thompson, 1968). Pseudosuccinea columella Base of shell when viewed from below showing about half of preceding whorl due to straight basal lip (Fig. Shaggy Ghostsnail Many North American snail species were described near the turn of the century by Walker (1918). Aperture of shell closed by an operculum (snail must be collected live because the operculum is lost soon after death). 64). Penis simple, elongate-conical, without papillae (Fig. Shell thick and solid; whorls weakly convex or flattened (Figs. 34, 35) (Pomatiopsis, Fig. Wekiwa Hydrobe Cockscomb Hydrobe Our beaches often rank at or near the top in the world. Rails, gallinules, coots and cranes. Paper fig A Florida Gulf Coast specialty shell! Aperture comma-shaped, tightly appressed against preceding whorl. Lip of adult shell usually with a thick crest externally and an internal callus. After a few years in storage glandular tissues in the female reproductive system deteriorate, and the process gradually spreads to destroy all but the terminal genital structures. Umbilicus broad, shallow (Fig. The lymnaeid fauna of the southeast is particularly depauperate compared to more northern and western regions of the continent. Important diagnostic characteristics for subfamilies, genera, and species are found in the female reproductive system, the male reproductive organ (the penis), and modifications of the radular teeth. (Thompson, 1968). 5: 1-140. Texture dull. Giant African snails can lead to giant problems. 19-21). Define Invasive Species: must have ALL of the following -. It was well received, and it served the interests and needs of many people. Ecology: This large snail is found in freshwater lakes, rivers, streams, ponds and ditches, preferring slow-moving water. Spiral sculpture absent. (Aguayo, 1935). 161, 164, 167). Lower margin of aperture not advanced beyond upper margin. 4, 5). Ghost Rams-horn A single species consisting of two highly variable subspecies occurs in Florida. Floridobia wekiwae Height of shell about 14-16 mm; width, 10-12 mm (Figs. Shell olive-green with vertical reddish flames and spots. Floridobia leptospira The lightning whelk ( Busycon sinistrum) is one of the larger univalve snails found in Florida waters. Teardrop Snail Florida authorities believe that the snail, native to eastern Africa, was reintroduced to the state when someone brought it home as a pet. Pilsbry, H. A. Suture of whorls more deeply impressed than in previous species. Parietal margin of operculum concave (Fig. Sculpture consisting of axial striations only (Fig.147). 97). 7-9). Four species currently are recognized, but the genus has received very little study over most of its range. (Fig. 3:51. 115a, 115b). Freshwater snails (Mollusca: Gastropoda) of North America. (Fig. 198, 205). Aphaostracon chalarogyrus 1978. Lioplax pilsbryi pilsbryi The latter genus includes a single species, Cincinnatia integra (Say, 1817). 84). Length of shell 2.6-3.0 mm (Fig. Florida Shell Guide. Penis with different arrangement of papillae than above. 200, 206). Nuclear whorl flattened, 0.41-0.48 mm in diameter transverse to initial suture. Shell sculptured with vertical, weakly curved ribs and much finer spiral striations. Fossaria cubensis U.S. Florida Invasive species. This snail was twice established in southeastern Florida and was successfully eradicated both times. Burch, J.B. 1989. Spire shorter, conical, 0.7-1.3 times length of aperture, nearly straight-sided in outline, suture of whorls weakly or moderately impressed. The greatest diversity of genera and species is in the Indo-Australian region. Spiral or costate sculpture usually present. Bulletin of the Environmental Protection Agency, EPA-600/3-82-026: i-vi, 1-294. Umbilicus of shell perforated or broadly open. Aperture oval, about 0.75 times as wide as high. Identification of Marine Snails reefdup Identification, Snails July 3, 2020 Cerith, Collonista, Collumbellid, Conch, Limpet, Nassarius, Nerite, Ninja, Pyramidellid, Snail, Stomatella, Turbo, Vermetid 3 Comments Marine snails come in all shapes, sizes, colors, and function, so proper identification is crucial! Umbilicus widely perforate, accentuated by a strong circum-umbilical keel. 36); males with a copulatory appendage, a penis (Fig. Penis as illustrated (Fig. Pomacea paludosa Florida Applesnail 158). Identification. Pilsbry, H. A. Slender Walker Outer lip straight in lateral profiles. 145). It contains about a dozen species in North America. University of Illinois Press, Urbana. Elimia clenchi 126); accessory crest present on penis. Lyogyrus retromargo Conical with relatively slender whorls. Knobby Elimia Shell cylindric-conical, solid opaque; 4.5-4.9 moderately rounded whorls. 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 . B. Aperture enlarged (dilated). (Fig. 69). Shell usually squarish or rectangular in shape. Prepared by Fred G. Thompson, Fmr. Florida's Department of Agriculture and Consumer Services said that a Pasco County master gardener reported seeing a giant African land snail in the New Port Richey area on June 23. Spire short and compact, about 0.5-0.7 times height of aperture in mature specimens, proportionally longer in juveniles (Fig. Columellar margin of aperture very thick but not reflected over umbilical area (Fig.103). The systematic relationships of the hydrobiid snail genus Nymphophilus Taylor, 1966 and the status of the Subfamily Nymphophilinae. A preliminary revision of Florida Lioplax (Gastropoda: Viviparidae), with a description of Lioplax talquinensis n.sp. Shell unicolor brown, never mottled with reddish spots. Graphite Elimia The snail can wreak havoc on agriculture and carry a parasite that causes meningitis in humans.. The planorbid fauna of the southeastern states is particularly poorly known. 16, 29). Body whorl uniformly rounded peripherally (Fig. It is hoped that this manual will stimulate other biologists to contribute to our knowledge of freshwater mollusks. Most snails will have a conical shaped shell. Papilla with a duct that leads to a blind caecum in nape of snail. Sculpture variable. Planorbella scalaris Hatia pomilia hendersoni common name: tree snails of Florida scientific name: Gastropoda: Stylommatophora: Bulimulidae Introduction - Identification - Key to the Bulimulidae of Florida - Selected References Introduction (Back to Top) Many snails are found in trees, but only a few are exclusively arboreal for most or all of their life cycle. Gulf Coast Pebblesnail) Somatogyrus walkerianus (Aldrich, 1905). Female shell about 4-6 mm long (Figs. Shell about 0.38-0.41 times as wide as high and about 20-27 mm long. (Thompson, 1968). Umbilicus wide (Fig. Thompson, F. G. 1983. Snails in wild populations range in shell color from yellow to brownish-black, and may contain stripes or dimpling. A giant African land snail, photographed at a lab in 2014. They are beautiful when they are alive because the body of the snail is black with tiny white dots like the milky way galaxy. Average length about 5 mm (Figs. Euglandina rosea, the rosy wolfsnail or cannibal snail, is a species of medium-sized to large predatory air-breathing land snail, a carnivorous terrestrial pulmonate gastropod mollusk in the family Spiraxidae.. 62). Carib Fossaria Malacological Review, 12: 41-49. 59). Aperture narrowly in contact or free from preceding whorl. Specimens then are placed in a fixative such as 10 percent formalin or Bouins Solution. Additional surveys found four different populations all associated with the CSX railways. (Lamarck, 1822). Basch (1963) revised the classification and recognized only twelve species. (Anthony, 1860). It is characterized by the lobed shape and glandular patterns of the penis. Penis with 3 I 0 small papillae around base and 7-15 papillae along right margin in a single row (Fig. Radial riblets on entire surface of shell except apex. Florida Press, Gainesville: i-xv, 1-68; pls. (Fig. Suture weakly impressed. Haitia cubensis 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. Shell dark brown. Spire of adults with heavy vertical ribs; unicolor dark brown; usually less than 18 mm long (Figs. Spiral sculpture absent. 81-83). 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. Includes the limpkin, a Sunshine State specialty. Body whorl compressed (Fig. After the snails have been in the fixative for a few minutes to several hours, depending upon their sizes, they should be rinsed in water and transferred to 70 percent ethyl alcohol. Biomphalaria havanensis Spurwinkia: Morphology, systematics, and ecology of a new genus of North American marshland Hydrobiidae (Mollusca: Gastropoda). Pomacea bridgesi The planorbid snail Micromenetus dilatatus avus in the West Indies and Central America. Size: 2-4 cm. The Snail Kite uses its slender, curved bill to extract its primary prey, the apple snail, from its shell. Aphaostracon pachynotus Little is known about these animals, and diverse opinions exist as to how many species are recognizable. Whorls rounded, not carinate above; occasionally angular below. Definitive identifications may require anatomical dissections and reference to other literature. October 14, 2021 7:00 am. Philadelphia, 134: 143-77. They are commonly found on live aquatic plant stems, dead leaves and sticks, and on bottles and cans. Micromenetus d. dilatus 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. Serrated Crownsnail Dorsl surface of penis with a few elongate superior tubercles that form a weakly defined U-shaped pattern. Dusky Ancylid Medium- to large-sized tropical freshwater snails. Suture relatively shallow. Length of shell about 2.2-2.8 mm long (Fig. Sculpture consisting of distinct spiral striations and threads superimposed on growth striations (Fig. Approximately 35 species have been described. Banded Mysterysnail Bantam Hydrobe Female shell about 3.5-4.0 mm long (Fig. Length of shell 2.4-3.4 mm (Fig. 117). Endemic New World genera occur in Cuba, Jamaica, and northern South America. Ponderous Siltsnail Photo: University of Florida. Published April 18, 2013 Malacological Review, 12: 87-88. Acad. It is believed the snail was introduced via the railway cars coming from Mexico. Last whorl distinctly shouldered. 1934. Review of the Planorbidae of Florida with notes on other members of the family. In 1976 in the St. Johns River 1 found Melanoides tuberculatus with population densities of 10,000/m2. 162). Quilted Melania Other families occur elsewhere in North America and in other continents. Adults about 2-3 mm long (Figs. NERITIDAE Walkerana, 1: 81-365. Hershler, R. & F. G. Thompson. Shell generally thin but strong; whorls of spire strongly convex with deep suture (Figs. Mantle cavity with gill on dorsal surface. 132). The snails remain a threat in Hawaii and the Caribbean after their eradication in Florida in 2021. 102a, 102b). Whorls generally arched. Adults about 15-18 mm wide with about 5.5 whorls (Figs.183-185). Female ovoviviparous with about 15 large embryos in uterus. Most have monotonously simple, conical or depressed-conical shells that are nearly devoid of taxonomically useful characteristics. Revista de Biologia Trpical, 51 (supplement): 1-299. Color uniform olive-green, never banded (Fig. Planorbula armigera wheatleyi Aperture terminating below periphery of body whorl. The fixative may damage the shell, but that is unimportant for anatomical purposes. (Jay, 1839). Aperture strongly oblique. Whorls uniformly rounded, not flattened above (Fig.144). Apex smooth, with no trace of radial striations (Fig. Incremental striations intensified near nucleus and umbilicus.

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