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Showing results for tags 'piacenzian'.
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Bullata popenoei (Mansfield, 1930) Stratigraphy: Pinecrest Member of the Tamiami Formation. Location: APAC, Sarasota County, Florida USA. Status: Extinct Notes: Largest of the Southeastern Cenozoic Marginellidae. The body whorl envelopes the spire forming a depression on top of the shell. Also found in the Jackson Bluff Formation in the Florida Panhandle.- 1 comment
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Bullata donovani Olsson, 1967 Stratigraphy: Lower(?) Member of the Tamiami Formation. Location: Bird Road housing construction site, Miami-Dade County, Florida USA. Status: Extinct Notes: Large for a Marginella, widest at top third with a small spire. Five columnar plaits as opposed to four.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Prunum pinellaensis Olsson & Harbinson, 1953 Stratigraphy: Pinecrest Member of the Tamiami Formation. Location: SMR Phase 10 Pit, Sarasota County, Florida USA. Status: Extinct Notes: Small marginellid with protruding spire and wide stubby, vase shape.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Prunum precursor (Dall, 1890) Stratigraphy: Pinecrest Member of the Tamiami Formation. Location: SMR Phase 10 Pit, Sarasota County, Florida USA. Status: Extinct Notes: Similar in outline to P. pardalis, but larger. Can be differentiated from all other Prunum by five columnar plaits as opposed to four in all others. Contrast enhanced image shows a color pattern of tan background with irregular white spots.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Prunum pardalis (Dall, 1890) Stratigraphy: Pinecrest Member of the Tamiami Formation. Location: Bonita Grande Pit, Lee County, Florida USA. Status: Extinct Notes: Small shell, but the most common Prunum in both the Tamiami and Caloosahatchee Formations. Contrast enhanced image shows a color pattern of a light background with brown spots.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Prunum willcoxiana (Dall, 1890) Stratigraphy: Pinecrest Member of the Tamiami Formation. Location: APAC, Sarasota County, Florida USA. Status: Extinct Notes: Similar to P. eulima but is more narrow with the body whorl encompassing the spire. Relatively common in the Caloosahatchee formation, less so in the Tamiami.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Prunum eulima (Dall, 1890) Stratigraphy: Pinecrest Member of the Tamiami Formation. Location: Quality Aggregates Sarasota County, Florida USA. Status: Extinct Notes: Narrow with noticeable spire. Can be differentiated from P. onchidella by denticulation on the aperture lip and four strong columnar plaits forming deep channels in-between.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Prunum onchidella Dall, 1890) Stratigraphy: Golden Gate Member of the Tamiami Formation. Location: Bonita Grande Pit, Lee County, Florida USA. Status: Extinct Notes: Narrow with little denticulation on the aperture lip.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Volvarina clenchi (M. Smith, 1936) Stratigraphy: Pinecrest Sand Member of the Tamiami Formation. Location: APAC, Sarasota County, Florida USA. Status: Extinct Notes: Small, white with no dentation on the lip. Slightly constricted mid-body whorl. Higher spire compared to V. belloides.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Volvarina belloides (Olsson & Harbinson, 1953) Stratigraphy: Pinecrest Sand Member of the Tamiami Formation. Location: APAC, Sarasota County, Florida USA. Status: Extinct Notes: Small, white with no dentation on the lip. Slightly constricted mid-body whorl.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Dentimargo polyspira (Olsson & Harbinson, 1953) Stratigraphy: Pinecrest Sand Member of the Tamiami Formation. Location: SMR Phase 10, Sarasota County, Florida USA. Status: Extinct Notes: Wider than the other two pictured Dentimargo with a denticulated lip with distinctive tooth.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Dentimargo mansfieldi (Tucker & Wilson, 1931) Stratigraphy: Pinecrest Sand Member of the Tamiami Formation. Location: SMR Phase 10, Sarasota County, Florida USA. Status: Extinct Notes: Similar to D. eburneola, but with a thickened shoulder. All Dentimargo have denticulated lips with distinctive tooth.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Marginellidae Dentimargo eburneola (Conrad, 1834) Stratigraphy: Pinecrest Sand Member of the Tamiami Formation. Location: SMR Phase 10, Sarasota County, Florida USA. Status: Extinct Notes: Small, high spire, denticulated lip with distinctive tooth.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Cystiscidae Gibberula floridana (Dall, 1890) Stratigraphy: Pinecrest Sand Member of the Tamiami Formation. Location: SMR Phase 10, Sarasota County, Florida USA. Status: Extinct Notes: Tiny with partial enveloped spire and constricted base.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Cystiscidae Persicula ovula Conrad, 1870 Stratigraphy: Pinecrest Sand Member of the Tamiami Formation. Location: SMR Phase 10, Sarasota County, Florida USA. Status: Extinct Notes: Tiny with fully enveloped spire.-
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Reference https://www.marinespecies.org/scleractinia/aphia.php?p=taxdetails&id=1290019
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Reference https://www.marinespecies.org/scleractinia/aphia.php?p=taxdetails&id=1290009
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Turbinellidae Turbinella regina (Heilprin, 1886) Stratigraphy: Pinecrest Sand Member of the Tamiami Formation. Location: SMR Phase 7, Sarasota County, Florida USA. Status: Extinct Notes: Found in both the Caloosahatchee and the Tamiami Formations. Separated from other Turbinella by it's narrowness.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Turbinellidae Turbinella streami Petuch, 1991 Stratigraphy: Pinecrest Sand Member of the Tamiami Formation. Location: SMR Phase 7, Sarasota County, Florida USA. Status: Extinct Notes: This species has a shorter spire and more inflated body whorl than T. regina. Quite a bit of variation between T. regina and T. streami exists within the Sarasota area, however I have not seen the same degree of variation within Caloosahatchee specimens of T. regina.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Turbinellidae Turbinella scolymoides Dall, 1890 Stratigraphy: Golden Gate Member of the Tamiami Formation(?). Location: Bonita Grande, Lee County, Florida USA. Status: Extinct Notes: A classic Caloosahatcheean species, it could have originated in the warm coral reef facies of the Tamiami or might be from a more southernly exposure of the Caloosahatchee than previously known. Large with a knobbed shoulder and inflated body whorl.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Turbinellidae Hystrivasum horridum (Heilprin, 1886) Stratigraphy: Golden Gate Member of the Tamiami Formation(?). Location: Bonita Grande, Lee County, Florida USA. Status: Extinct Notes: A classic Caloosahatcheean species, it could have originated in the warm coral reef facies of the Tamiami or might be from a more southernly exposure of the Caloosahatchee than previously known Very constricted at the base and more spinose than other species of Hystrivasum.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Turbinellidae Hystrivasum locklini (Olsson & Harbinson, 1953) Stratigraphy: Pinecrest Sand Member of the Tamiami Formation Location: SMR Phase 7, Sarasota County, Florida USA. Status: Extinct Notes: Less constricted at the base than H. horridum with more subdued ornamentation. This is the common vase shell from the Sarasota shell pits. The genus is overly split and many of the numerous named species from the Tamiami might be variant of this .-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Turbinellidae Hystrivasum squamosum (Hollister, 1971) Stratigraphy: Pinecrest Sand Member of the Tamiami Formation Location: SMR Phase 7, Sarasota County, Florida USA. Status: Extinct Notes: Similar to H. locklini, but with 5 body chords instead of 4. Possible variant of H. locklini.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Turbinellidae Hystrivasum lindae Petuch, 1994 Stratigraphy: Pinecrest Sand Member of the Tamiami Formation Location: APAC, Sarasota County, Florida USA. Status: Extinct Notes: Similar to H. locklini, but with larger, less numerous knob-like spines along the shoulder and smoother body chords. Possible variant of H. locklini.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Turbinellidae Hystrivasum shrinerae (Hollister, 1971) Stratigraphy: Pinecrest Sand Member of the Tamiami Formation Location: APAC, Sarasota County, Florida USA. Status: Extinct Notes: Separated from other Hystrivasum species by the presence of 6 body chords. More common in the Kissimmee River Valley, but very rare at Sarasota.-
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