Pterorytis umbrifer

Taxonomy

Kingdom: Animalia
Phylum: Mollusca Cuvier, 1797
Class: Gastropoda Cuvier 1797
Order: Neogastropoda Thiele 1929
Family: Muricidae
Genus: Pterorytis
Species: Pterorytis umbrifer
Author Citation (Conrad, 1832)

Geological Time Scale

Eon: Phanerozoic
Era: Cenozoic
Period: Neogene
Sub Period: None
Epoch: Pliocene
International Age: Piacenzian

Stratigraphy

Yorktown Formation
Moore House Member

Biostratigraphy

Zone 2

Provenance

Collector: Michael Reagin
Date Collected: 05/17/2003
Acquired by: Field Collection

Dimensions

Length: 65 mm

Location

Lone Star Chuckatuck Pit
Isle of Wight County
Virginia
United States

• mr 6864-917
• muricidae
• piacenzian
• pliocene
• virginia
• yorktown formation
• zone 2

Comments

Varix ornamentation can vary significantly based upon environmental conditions.  Compare this specimen from a fine grained sheltered habitat to that of MR 10239-1028 which lived in a high energy environment.

 

Reference

Campbell, Lyle. 1993. Pliocene Molluscs from the Yorktown and Chowan River Formations in Virginia. Virginia Division of Mineral Resources Publication 127.