TF0703 - Atrypa

TF0703_HS.png

TF0703 hand specimen. Note radial spirifierid-typical pattern of ribs.

TF0703_sketch.png

TF0703 sketch. Note bilateral symmetry.

Specimen Age

Silurian

Stratigraphic Range

Silurian to Devonian

Taxonomy

Phylum: Brachiopoda
Class: Rhynchonellata
Order: Spiriferida
Genus: Atrypa

Distinctive Features

Bilateral symmetry
Two valves
Commissure
Radial ribs
Growth lines

Preservation

Mineral replacement of shell
TF0703 - Atrypa