Atrypa reticularis

UNB-2018-0318Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata

Description

Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata Order: Atrypida Family: Atrypidae Genus: Atrypa (Dalman, 1828) Species: Atrypa reticularis (Linnaeus, 1758) Two specimens; The smaller specimen has both the brachial and pedicle valves preserved and the larger specimen has only the pedicle valve preserved. Medium ribs (0.15 cm) and growth lines near the anterior margin. Brachial valve is highly convex. Faint sulcus (1.5 cm). Beak is missing on both specimen. Small specimen is partially missing the anterior margin on the brachial valve. Faint plication near the commissure.

Specifications

Object nameAtrypa reticularis
IDUNB-2018-0318
Legal statusPermanent collection
CategoryFossil
Classification
Domain:
Eukaryote
Kingdom:
Animalia
Phylum:
Brachiopoda
Class:
Rhynchonellata
CompositionCalcium carbonate
Age
Eon:
Phanerozoic
Era:
Paleozoic
Period:
Devonian
Epoch:
Lower Devonian to Middle Devonian
Age:
Emsian to Eifelian
Numeric age407.6 - 393.3 Mya
OriginClarksville, Indiana, U.S.A.
Pieces2
PartialNo
Measurements
  • 3cm x 2.8cm x 1.5cm
  • 3.5cm x 3.8cm x 0.5cm

Map of Origin