Zygospira modesta

UNB-2020-0145Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonelliformea » Rhynchonellata

Description

Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata Order: Atrypida Family: Anazygidae Genus: Zygospira (Hall, 1862) Species: Zygospira modesta (Hall, 1847) Two small specimens with both the brachial and pedicle valves preserved. Thin ribs (0.05 cm). Faint sulcus (0.3 cm) composed of three ribs. Faint fold (0.2 cm) composed of two ribs. Rounded anterior margin and rounded/triangular posterior margin. Small beak.

Specifications

Object nameZygospira modesta
IDUNB-2020-0145
Legal statusPermanent collection
CategoryFossil
Classification
Domain:
Eukaryote
Kingdom:
Animalia
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
CompositionCalcium carbonate
Age
Eon:
Phanerozoic
Era:
Paleozoic
Period:
Ordovician
Age:
Maysvillian
Numeric age458 Mya
OriginCorryville, Cincinnati, Ohio, U.S.A.
Pieces2
PartialNo
Measurements
  • 0.2cm x 0.7cm x 0.6cm
  • 0.2cm x 0.6cm x 0.5cm

Map of Origin

Publications

  • J. Hall. 1847. Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe). Paleontology of New York 1:1-338
  • J. Hall. 1862. Observations upon a new genus of Brachiopoda. New York State Cabinet Annual Report 15:154-155