Piarorhynchella triassica

UNB-2018-0246Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata

Description

Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata Order: Rhynchonellida Family: Norellidae Genus: Piarorhynchella (Yang and Xu, 1966) Species: Piarorhynchella triassica (Girty, 1927) Two specimens with both the brachial and pedicle valve preserved. Large ribs (~0.15 cm) that are visible near the anterior margin. Prominent sulcus (~0.5 cm) and fold composed of two ribs (~0.4 cm). Rounded anterior margin and rounded/triangular posterior margin. Small beak. Faint plication near commissure.

Specifications

Object namePiarorhynchella triassica
IDUNB-2018-0246
Legal statusPermanent collection
CategoryFossil
Classification
Domain:
Eukaryote
Kingdom:
Animalia
Phylum:
Brachiopoda
Class:
Rhynchonellata
CompositionCalcium carbonate
Age
Eon:
Phanerozoic
Era:
Mesozoic
Period:
Triassic
Subperiod:
Early Triassic
Numeric age251 Mya
OriginWashington County, Utah, U.S.A.
Pieces2
PartialNo
Measurements
  • 0.9cm x 0.8cm x 0.5cm
  • 0.9cm x 0.8cm 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.