Piarorhynchella triassica

UNB-2018-0257Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata

Description

Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata Order: Rhynchonellida Family: Norellidae Genus: Piarorhynchella Species: Piarorhynchella triassica (Girty, 1927) Four specimens with both the brachial and pedicle valves preserved. Medium, defined ribs (~0.15 cm) that are slightly eroded and encrusted with sediment. Prominent sulcus (~0.8 cm) and faint fold composed of two ribs (~0.5 cm). Rounded anterior margin and rounded/triangular posterior margin. Faint plication near the commissure.

Specifications

Object name	Piarorhynchella triassica
ID	UNB-2018-0257
Legal status	Permanent collection
Category	Fossil
Classification	Domain: Eukaryote Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata
Composition	Calcium carbonate
Age	Eon: Phanerozoic Era: Mesozoic Period: Triassic Subperiod: Early Triassic
Numeric age	251 Mya
Origin	Washington County, Utah, U.S.A.
Pieces	4
Partial	No
Measurements	1.2cm x 1.1cm x 0.8cm 1cm x 0.9cm x 0.6cm 1.1cm x 0.9cm x 0.5cm 0.9cm x 1cm x 0.6cm

Map of Origin

Publications

G. H. Girty. 1927. Descriptions of new species of Carboniferous and Triassic fossils (from southeastern Idaho). United States Geological Survey Professional Paper 152:411-446
T. Y. Yang and G. R. Xu. 1966. Triassic Brachiopods of Central Guizhou Province. Beijing: Industry Press