Acrothyra

Acrothyra gregaria is a species of gregarious brachiopod known from the Middle Cambrian Burgess Shale. 253 specimens of Acrothyra are known from the Greater Phyllopod bed, where they comprise 0.5% of the community.^[1]

Acrothyra Temporal range: Miaolingian – ~506.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Brachiopoda
Genus:	†Acrothyra Matthew, 1901