Cyrtospirifer verneuili

Cyrtospirifer verneuili, also called Spirifer verneuili, is an extinct Brachiopod. The fossils are present in the Upper Devonian. In Cornwall they have the vernacular name Delabole Butterfly, from the appearance of flattened forms in the slates at Delabole.

Cyrtospirifer verneuili

Cyrtospirifer verneuili, also called Spirifer verneuili, is an extinct Brachiopod. The fossils are present in the Upper Devonian. In Cornwall they have the vernacular name Delabole Butterfly, from the appearance of flattened forms in the slates at Delabole.