Astartella concentrica

UNB-2019-0774Fossils » Eukaryote » Animalia » Mollusca » Bivalvia

Description

Kingdom: Animalia Phylum: Mollusca Class: Bivalvia Subclass: Autobranchia Order: Carditida Family: Astartidae Genus: Astartella (Hall, 1858) Species: Astartella concentrica (Conrad, 1842) Four specimens with both the left and right valves preserved. Prominent growth lines with a rounded/square ventral margin. Visible lunule and hinge ligament.

Specifications

Object name	Astartella concentrica
ID	UNB-2019-0774
Legal status	Permanent collection
Category	Fossil
Classification	Domain: Eukaryote Kingdom: Animalia Phylum: Mollusca Class: Bivalvia
Composition	Calcium carbonate
Age	Eon: Phanerozoic Era: Paleozoic Period: Carboniferous Subperiod: Pennsylvanian Epoch: Upper Pennsylvanian Age: Virgilian
Numeric age	303 Mya
Origin	Gunsight, Texas, U.S.A.
Pieces	4
Partial	No
Measurements	2.2cm x 1.8cm x 1.3cm 1.7cm x 1.4cm x 1cm 1.8cm x 1.5cm x 1.1cm 2.3cm x 1.6cm x 1.4cm

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