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Cyclonema bilix

UNB-2018-0570Fossils » Eukaryote » Animalia » Mollusca » Gastropoda » Eogastropoda

Description

Kingdom: Animalia Phylum: Mollusca Class: Gastropoda Subclass: Eogastropoda Order: Euomphalina Family: Platyceratidae Genus: Cyclonema (Hall, 1852) Species: Cyclonema bilix (Conrad, 1842) Seven specimens of trochoid/turbinate dextral specimens with two to three whorls. Prominent, thin transverse ornamentation on the whorls. Circular, large aperture that is infilled with sediment in each specimen. Apex of spire is missing for each specimen.

Specifications

Object nameCyclonema bilix
IDUNB-2018-0570
Legal statusPermanent collection
CategoryFossil
Classification
Domain:
Eukaryote
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Eogastropoda
CompositionCalcium carbonate
Age
Eon:
Phanerozoic
Era:
Paleozoic
Period:
Ordovician to Late Ordovician
Numeric age450 Mya
OriginCincinnati, Ohio, U.S.A.
Pieces7
PartialNo
Measurements
Largest:
0.8cm x 0.8cm x 0.6cm
Smallest:
1.1cm x 1cm x 1cm
Average:
0.5cm x 0.7cm x 0.8cm

Map of Origin

Publications

  • T. A. Conrad. 1842. Observations on the Silurian and Devonian systems of the United States, with descriptions of new organic remains. Journal of the Academy of Natural Sciences of Philadelphia 8(2):228-280
  • J. Hall. 1852. Containing descriptions of the organic remains of the lower middle division of the New York system. Paleontology of New York 2:1-362