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Rafinesquina alternata

UNB-2018-0073Fossils » Eukaryote » Animalia » Brachiopoda » Strophomenata

Description

Kingdom: Animalia Phylum: Brachiopoda Class: Strophomenata Order: Strophomenida Family: Rafinesquinidae Genus: Rafinesquina (Hall and Clarke, 1892) Species: Rafinesquina alternata (Conrad, 1838) Three specimens of the pedicle valve. Labeled a to c. Thin, defined ribs and faint growth lines. Anterior margin is convex. Small beak. Anterior margin is circular and posterior margin is straight.

Specifications

Object nameRafinesquina alternata
IDUNB-2018-0073
Legal statusPermanent collection
CategoryFossil
Classification
Domain:
Eukaryote
Kingdom:
Animalia
Phylum:
Brachiopoda
Class:
Strophomenata
CompositionCalcium carbonate
Age
Eon:
Phanerozoic
Era:
Paleozoic
Period:
Ordovician to Late Ordovician
Numeric age450 Mya
OriginCincinnati, Ohio, U.S.A.
Pieces3
PartialNo
Measurements
  • 4.8cm x 4.2cm x 1cm
  • 4.2cm x 3.5cm x 1.2cm
  • 3.8cm x 3.5cm x 0.5cm

Map of Origin

Publications

  • T. A. Conrad. 1838. Report on the palaeontological department of the survey. New York Geological Survey, Annual Report 2:107-119