Eotomariidae

Classification
Phylum: Mollusca
Class: Gastropoda
Order: Murchisoniina
Family: Eotomariidae (Wenz, 1938)
Cincinnatian Genera: Clathrospira, Liospira

Geologic Range
Late Cambrian – Early Jurassic

Common Paleoecology
Eotomariidae is an extinct family of facultatively mobile epifaunal suspension feeders

Description of the Family

Turbiniform to Trochiform
Labral slit invariably present
Concave selenizone bordered by threads at mid-height of whorl

[accordions title=”” disabled=”false” active=”1″ autoheight=”false” collapsible=”true”] [accordion title=”Published Descriptions”]
Treatise on Invertebrate Paleontology, Part I (1960):

Shell turbiniform to trochiform; labral slit invariably present, generating concave selenizone bordered by threads at approximately mid-height of whorl.

[/accordion] [/accordions]

Clathrospira

Liospira