Moorefieldella eurekensis

UNB-2018-0079Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata

Description

Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata Order: Rhynchonellida Family: Trigonirhynchiidae Genus: Moorefieldella (Girty, 1911) Species: Moorefieldella eurekensis (Walcott) Two specimens, with the smaller specimen being Moorefieldella eurekensis. Both specimens have the brachial and pedicle valves preserved. The smaller specimen (M. eurekensis) has faint ribs and growth lines. Slight sulcus on the pedicle valve. Circular anterior margin and triangular posterior margin. Small umbo and beak. The larger specimen appears to be a Spiriferid, with large ribs and prominent sulcus and fold. Rounded, elongated anterior margin and straight/rounded posterior margin.

Specifications

Object nameMoorefieldella eurekensis
IDUNB-2018-0079
Legal statusPermanent collection
CategoryFossil
Classification
Domain:
Eukaryote
Kingdom:
Animalia
Phylum:
Brachiopoda
Class:
Rhynchonellata
CompositionCalcium carbonate
Age
Eon:
Phanerozoic
Era:
Paleozoic
Period:
Carboniferous to Early Carboniferous
Subperiod:
Mississipian to Mississippian
Epoch:
Middle Mississipian
Numeric age346.7 - 358 Mya
OriginMuskogee, Oklahoma, U.S.A.
Pieces2
PartialNo
Measurements
  • 2.5cm x 1.9cm x 1.2cm
  • 0.9cm x 1cm x 0.5cm

Map of Origin