Stegerhynchus acinus

UNB-2018-0214Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata

Description

Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata Order: Rhynchonellida Family: Camarotoechiidae Genus: Stegerhynchus (Foreste, 1909) Species: Stegerhynchus acinus (Hall) Two specimens of the brachial and pedicle valves. Large, prominent ribs (0.15 cm and 0.1 cm). Faint sulcus (0.5 cm and 0.2 cm) and a fold composed of three ribs (0.4 cm and 0.25 cm). Rounded anterior margin and triangular posterior margin. Small beak. Plication near the commissure.

Specifications

Object nameStegerhynchus acinus
IDUNB-2018-0214
Legal statusPermanent collection
CategoryFossil
Classification
Domain:
Eukaryote
Kingdom:
Animalia
Phylum:
Brachiopoda
Class:
Rhynchonellata
CompositionCalcium carbonate
Age
Eon:
Phanerozoic
Era:
Paleozoic
Period:
Silurian
Epoch:
Wenlock
Numeric age433.4 Mya
OriginWaldron, Indiana, U.S.A.
Pieces2
PartialNo
Measurements
  • 0.5cm x 0.8cm x 0.4cm
  • 0.9cm x 0.9cm x 0.6cm

Map of Origin