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Globularia fischeri (Dall, 1892)

Globularia fischeri
Globularia fischeri

Scientific Classification

Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Littorinimorpha
Family: Naticidae
Genus: Globularia
Species: Globularia fischeri (Dall, 1892)

Information

Geological Range

Neogene

Miocene

Paleogeographic Distribution

Florida

Stratigraphic Occurrences

Chipola Formation

Remarks

Common name: n/a

Synonymy: n/a

Type specimen, locality, and stratum: n/a

Other voucher specimens: n/a

Descriptions:

Original Description (from Dall, 1892, p. 374):

“Old Miocene of the Chipola beds, near Bailey’s Ferry, Chipola River, Calhoun Co., Florida.

Shell closely related to Ampullina sigaretina of the Parisian Eocene, from which it differs by its somewhat more depressed spire, less impressed suture, wider basal fasciole, and by the thick, complete coat of callus, which in the adult covers completely the fasciole and umbilicus, as in Cernina fluctuosa. The shell is also slightly less expanded and rounded than the European fossil. It has a low but pointed spire, six or seven whorls, smooth surface with impressed incremental lines, slightly flattened callus, and in front of the suture the whorl is flattish instead of rounded, as in A. sigaretina. A shell of six whorls measures 33 mm. high and 38 mm. in maximum diameter, but I have fragments which measure over 60 mm. in diameter.

This form was at first regarded by me as being merely a mutation of A. streptostoma, but of more than twenty-five specimens from various localities which were in a state to show the base, not a single one has an open umbilicus, while all the Ballast Point and Claibornian specimens have the umbilicus open. The young of both are not separable. It may eventually prove to be a local race of A. streptostoma, but at present would seem better kept apart.

It is respectfully dedicated to Dr. Paul Fischer, of Paris, the distinguished paleontologist and malacologist.”

To access this description in its original formatting through Google Books, click here.

Measurements: n/a

Other remarks: n/a

References: n/a

Online resources: n/a

Page history:

Some of the content on this page was originally published on the Neogene Atlas of Ancient Life on August 24, 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.

Media

Images

Globularia fischeri from the Early Miocene Chipola Fm. of Calhoun County, Florida (UF 140172).
Globularia fischeri from the Early Miocene Chipola Fm. of Calhoun County, Florida (UF 140172).
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Specimen of Globularia fischeri figured by Dall (1892, pl. 22, fig. 36); 33.0 mm in length.
Specimen of Globularia fischeri figured by Dall (1892, pl. 22, fig. 36); 33.0 mm in length.
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