Scientific Classification
| Kingdom: Animalia |
| Phylum: Mollusca |
| Class: Gastropoda |
| Order: Caenogastropoda incertae sedis |
| Family: Turritellidae |
| Genus: Torcula |
| Species: Torcula perattenuata (Heilprin, 1886) |
Information
Geological Range
Paleogeographic Distribution
Stratigraphic Occurrences
| Bermont Formation [Questionable/rare] |
| Caloosahatchee Formation [Abundant] |
| Tamiami Formation [Questionable/rare] |
| Tamiami Formation (Pinecrest Beds) [Common] |
Remarks
Common name: n/a
Synonymy:
Previously listed as Turritella perattenuata on the Neogene Atlas of Ancient Life.
Type specimen, locality, and stratum: n/a
Other voucher specimens: n/a
Descriptions:
Original Description (from Heilprin, 1886, p. 88):
“Shell very slender, gradually tapering; whorls very numerous, doubly carinated, the carinae crenulated or beaded, the upper and lower about equally removed from the upper and basal margins of the whorls respectively, the upper carina frequently appearing double through the presence of a contiguous additional line; shoulder of the whorls prominent, with one or two elevated lines; the concave space between the carinae with two obsoletely crenulated lines, the upper of which is somewhat the more prominent. Aperture quadrangular.
Length of a restored specimen nearly five inches; greatest width, .6 inch.
Common in the banks of the Caloosahatchie below Fort Thompson.”
Measurements: n/a
Other remarks: n/a
References: n/a
Online resources:
Page history:
Some of the content on this page was originally published on the Neogene Atlas of Ancient Life on August 17, 2015. It was developed by Jonathan R. Hendricks and colleagues and migrated here in 2026.
This page was last modified on October 28, 2026 by Jonathan R. Hendricks.
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