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Showing results for tags 'piacenzian'.
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Columbellidae Macgintopsis chariessa (McGinty, 1940) Statigraphy: Tamiami Formation, Golden Gate Member Location: Bonita Grande Pit, Lee County, Florida USA. Status: Extinct Notes: Elongated with aperture half the length of the shell. Smooth with evenly spaced axial nodes on the body whorl. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Columbellidae Alia gunteri (Mansfield, 1930) Statigraphy: Tamiami Formation, Pinecrest Sand Member. Location: APAC Pit, Sarasota County, Florida USA. Status: Extinct Notes: Small, squat with shouldered body whorl. Variable ribbing from absent on the abapertural side (pictured) to ribs along the entire body whorl. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Columbellidae Alia gardnerae (Olsson & Harbinson, 1953) Statigraphy: Tamiami Formation, Pinecrest Sand Member. Location: APAC Pit, Sarasota County, Florida USA. Status: Extinct Notes: Smooth shell without ornamentation. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Muricidae Ecphora bradleyae Petuch, 1988 Statigraphy: Tamiami Formation Bed 11(?) Location: APAC Pit, Sarasota County, Florida USA. Status: Extinct Notes: Considered a subspecies of E. quadricostata by Lauck Ward (pers. comm.). Close-set widely flaring ribs. Geographically restricted to Duplin and Tamiami Formations which were warmer than those north of ancient Cape Hatteras. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Muricidae Ecphora quadricostata (Say, 1824) Statigraphy: Tamiami Formation Bed 11(?) Location: APAC Pit, Sarasota County, Florida USA. Status: Extinct Notes: Geographically widespread species in the Upper Pliocene of the Southeastern US, ranging from Virginia to Florida. Image is of a less than mature imperfect specimen. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Muricidae Stramonita floridana (Conrad, 1837) Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: Quality Aggregates, Sarasota County, Florida USA. Status: Extant Notes: The Florida rock shell is highly variable with or without shoulder knobs. A molecular study is needed to identify relationship of Eastern Florida, Western Gulf of Mexico and Caribbean populations. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Muricidae Poirieria clarksvillensis (Mansfield, 1937) Statigraphy: Golden Gate Member of the Tamiami Formation Location: Collier County, Florida USA. Status: Extinct Notes: Originally described from the Jackson Bluff Formation in the Florida Panhandle.. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Muricidae Babelomurex mansfieldi (Gabb, 1873) Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: APAC Pit, Sarasota County, Florida USA. Status: Extant Notes: Exists today off Southeast Florida and the Caribbean. Spines variable. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Muricidae Rugotyphis harrisi (Olsson, 1914) Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: SMR Phase 8 Pit, Sarasota County, Florida USA. Status: Extinct Notes: Ancestor to Rugotyphis floridana from the Lower Pleistocene fauna, but shorter and stockier. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Muricidae Subpterynotus textilis (Gabb, 1873) Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: SMR Phase 10 Pit, Sarasota County, Florida USA. Status: Extinct Notes: No modern descendant and therefore difficult to confuse with any other species found within the Tamiami Formation. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Muricidae Murexsul oxytata (M. Smith, 1938) Statigraphy: Golden Gate Member of the Tamiami Formation Location: Boca Grande Quarry, Lee County, Florida USA. Status: Extant Notes: Distinctive outline makes it difficult to confuse with any other species. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Muricidae Favartia faceta (E.H. Vokes, 1963) Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: Kissimmee River, Glades County, Florida USA. Status: Extinct Notes: Short spire, inflated body whorl, long siphonal canal. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Muricidae Favartia shilohensis (Heiprin, 1888) Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: SMR Phase 10 Pit, Sarasota County, Florida USA. Status: Extinct Notes: Higher spire and longer siphonal canal than F. cellulosa. -
From the album: Gastropods of the Tamiami Formation
Order Littorinimorpha Family Cypraeidae Siphocypraea ketteri Petuch, 1994 Statigraphy: Golden Gate Member of the Tamiami Formation Location: Near Imokalee, Collier County, Florida USA. Status: Extinct Notes: Another form transitional between S. carolinensis and S. problematica. Differs from S. trippeana by having a wider shell and flattened base with noticeable wrinkles along the base. Petuch assigns this species in the genus Pseudadusta. -
From the album: Gastropods of the Tamiami Formation
Order Littorinimorpha Family Cypraeidae Siphocypraea lindae (Petuch, 1986) Statigraphy: Golden Gate Member of the Tamiami Formation Location: Near Imokalee, Collier County, Florida USA. Status: Extinct Notes: Very close to S. carolinensis with a high dorsum and simple sulcus but with a narrower posterior aperture and stronger denticles on parietal lip. Petuch assigns this species in his genus Pseudadusta. -
From the album: Gastropods of the Tamiami Formation
Order Littorinimorpha Family Cypraeidae Siphocypraea transitoria Olsson & Petit, 1964 Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: APAC, Sarasota County, Florida USA. Status: Extinct Notes: Although common in the Kissimmee River area, this specimen is from APAC in Sarasota where it is much rarer. Very close to S. problematica with slightly less coiling of the anterior sulcus and a slightly wider posterior aperture. Petuch would call this Siphocypraea streami.-
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From the album: Gastropods of the Tamiami Formation
Order Littorinimorpha Family Cypraeidae Siphocypraea hughesi Olsson & Petit, 1964 Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: Kissimmee River, Highlands County, Florida USA. Status: Extinct Notes: Restricted to the Kissimmee River area. Distinctive shape, wide and squat. Anterior sulcus approaching that of S. problematica. Petuch assigns this species to Akleistostoma (Olssonicypraea). -
From the album: Gastropods of the Tamiami Formation
Order Littorinimorpha Family Cypraeidae Siphocypraea trippeana Parodiz, 1988 Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: APAC, Sarasota County, Florida USA. Status: Extinct Notes: Typically, shell is small and narrow with a high dorsum. The sulcus has a slight bend more so than the S. carolinensis complex, described as a keyhole appearance and a narrow aperture like S. problematica. -
From the album: Gastropods of the Tamiami Formation
Order Littorinimorpha Family Cypraeidae Siphocypraea carolinesis floridana (Mansfield, 1931) Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: SMR Phase 10, Sarasota County, Florida USA. Status: Extinct Notes: Highly variable much more so than S. carolinensis. The dorsum tends to be not as high as S. carolinensis and parietal denticles are more strongly expressed but shares the uncoiled anterior sulcus and wide posterior aperture. This is the common Siphocypraea found in the Sarasota shell pits. Also, Akleistostoma. -
From the album: Gastropods of the Tamiami Formation
Order Littorinimorpha Family Cypraeidae Siphocypraea carolinesis floridana (Mansfield, 1931) Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: APAC, Sarasota County, Florida USA. Status: Extinct Notes: Example of a gerontic individual of this subspecies. -
From the album: Gastropods of the Tamiami Formation
Order Littorinimorpha Family Cypraeidae Siphocypraea sarasotaensis Petuch, 1994 Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: APAC, Sarasota County, Florida USA. Status: Extinct Notes: First described as a Siphocypraea, Petuch later classified this species with his Calusacypraea genus which is defined by neotenic characteristics such as an undeveloped anterior sulcus and very light weight. Many researchers feel that this species is merely a variation of S. floridana (Lyle Campbell pers. comm.). WoRMS classification Siphocypraea while Petuch would call this species Calusacypraea myakka. -
From the album: Gastropods of the Tamiami Formation
Order Littorinimorpha Family Cypraeidae Siphocypraea briani (Petuch, 1996) Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: APAC, Sarasota County, Florida USA. Status: Extinct Notes: Described as Calusacypraea briani and differentiated from S. sarasotaensis by having a larger and longer shell. I have placed this shell as S. briani however it could be a gerontic individual of S. sarasotaensis. Some Cypraeidae demonstrate sexual dimorphism which could explain the larger size as well. WoRMS classification Siphocypraea, Petuch Calusacypraea. -
From the album: Gastropods of the Tamiami Formation
Order Littorinimorpha Family Cypraeidae Cypraea sp. Statigraphy: Ochopee Limestone Member of the Tamiami Formation Location: Canal spoil, Collier County, Florida USA. Status: Extinct Notes: Presence of a distinct spire suggests that these internal casts do not belong to the genus Siphocypraea. -
From the album: Gastropods of the Tamiami Formation
Order Littorinimorpha Family Triviidae Pusula crovoae Olsson, 1967 Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: SMR Phase 10 Pit, Sarasota County, Florida USA. Status: Extinct Notes: Ribs that end with nodes along the furrow. -
From the album: Gastropods of the Tamiami Formation
Order Littorinimorpha Family Triviidae Pusula pediculus (Linnaeus, 1758) Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: Quality Aggregates, Sarasota County, Florida USA. Status: Extant Notes: Large for family. A common Caribbean species.
