Distribution and habitat


This fossil is found in Lower Jurassic rocks of southern England and Northern Europe. It is resticted to the Sinemurian of the Lower Jurassic approximately 190 million years ago.


It lived attached to driftwood floating in a shallow tropical sea

Population Biology

Lived in large masses consisting of individuals of many ages attached to driftwood.

Trophic Strategy

Pseudo-planktonic filter feeder