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Spirifer sp.

UNB-2018-0339Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata

Description

Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata Order: Spiriferida Family: Spiriferidae Genus: Spirifer (Sowerby, 1818) Species: Spirifer segmenta ? *Cannot find classification online. Three specimens of varying sizes with both the brachial and pedicle valves preserved. Medium ribs (0.11 cm (Measures from the largest specimen). Large, prominent sulcus (0.8 cm (Largest specimen) and fold (0.7 cm (Largest specimen). Large, prominent delthyrium (1.2 cm x0.6 cm) and interarea. Faint plication near the commissure. Rounded, elongated anterior margin and straight posterior margin. Small beak. Largest specimen is missing the lateral portions of the valves and the second largest specimen is missing one side of the lateral portion of the valves. Smallest specimen is heavily weathered.

Specifications

Object nameSpirifer sp.
IDUNB-2018-0339
Legal statusPermanent collection
CategoryFossil
Classification
Domain:
Eukaryote
Kingdom:
Animalia
Phylum:
Brachiopoda
Class:
Rhynchonellata
CompositionCalcium carbonate
OriginUnknown
Pieces3
PartialNo
Measurements
  • 2.5cm x 1.3cm x 1.3cm
  • 1.8cm x 1cm x 0.7cm
  • 2cm x 1cm x 0.9cm

Publications

  • J. Sowerby. 1818. No. XXX in the mineral conchology of Great Britain; or colored figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the Earth. The mineral conchology of Great Britain 3:1-194