Strophomena planumbona

UNB-2018-0288Fossils » Eukaryote » Animalia » Brachiopoda » Strophomenata

Description

Kingdom: Animalia Phylum: Brachiopoda Class: Strophomenata Order: Strophomenida Family: Strophomenidae Genus: Strophomena (Rafinesque and De Blainville, 1824) Species: Strophomena planumbona (Hall, 1847) Three specimens; Two specimens of the brachial valve, with one embedded on the sediment and one specimen of the pedicle vale. Medium ribs (~0.1 cm). Prominent sulcus (2.0 cm. Brachial valve is convex near the anterior margin. Faint growth lines are visible on the anterior margin. Rounded anterior margin and straight posterior margin. Specimens are slightly encrusted with sediment.

Specifications

Object nameStrophomena planumbona
IDUNB-2018-0288
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
OriginOhio? U.S.A.
Pieces3
PartialNo
Measurements
  • 4.5cm x 3.1cm x 0.2cm
  • 3cm x 3cm x 0.8cm
  • 3.5cm x 3cm x 0.3cm

Map of Origin