Trepospira gastropod.jpg

Trepospira gastropod

SITE LOCATION: Cisco, Texas
TIME PERIOD: Pennsylvanian Period (299-323 Million Years ago)
Data: Trepospira, extinct genus of gastropods (snails) found as fossils in rocks of Devonian to Late Carboniferous age (between 286 and 408 million years old). Its shell has a low spire, and the length of the coiling axis is short relative to the shell’s width. The shell is smooth but is ornamented by nodules next to the sutures between the whorls.
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Pleurotomariida
Family: †Gosseletinidae
Genus: †Trepospira