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Hiscobeccus capax

UNB-2018-0254Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata

Description

Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata Order: Rhynchonellida Family: Rhynchotrematidae Genus: Hiscobeccus (Amsden, 1983) Species: Hiscobeccus capax (Conrad, 1842) Three specimens with both the brachial and pedicle valves preserved. Medium, defined ribs (~0.2 cm). The two smaller specimens have visible faint sulcus (~0.9 cm). The larger specimen is encrusted with sediment on the pedicle valve. Prominent fold composed of four ribs (~0.8 cm). Rounded anterior margin and rounded/triangular posterior margin. Small beak. Faint plication near the commissure, that is encrusted with sediment on some specimens.

Specifications

Object nameHiscobeccus capax
IDUNB-2018-0254
Legal statusPermanent collection
CategoryFossil
Classification
Domain:
Eukaryote
Kingdom:
Animalia
Phylum:
Brachiopoda
Class:
Rhynchonellata
CompositionCalcium carbonate
Age
Eon:
Phanerozoic
Era:
Paleozoic
Period:
Ordovician to Late Ordovician
Numeric age450 Mya
OriginIndiana, U.S.A.
Pieces3
PartialNo
Measurements
  • 2.4cm x 2cm x 1.5cm
  • 1.6cm x 1.7cm x 1cm
  • 1.7cm x 1.4cm x 0.9cm

Map of Origin

Publications

  • T. A. Conrad. 1842. Observations on the Silurian and Devonian systems of the United States, with descriptions of new organic remains. Journal of the Academy of Natural Sciences of Philadelphia 8(2):228-280
  • T. W. Amsden. 1983. The Late Ordovician brachiopod genera Lepidocyclus and Hiscobeccus. Oklahoma Geological Survey Bulletin 132:36-44