Mickwitzia (original) (raw)

Mickwitziids are a Cambrian group of shelly fossils with originally phosphatic valves, belonging to the Brachiopod stem group, and exemplified by the genus Mickwitzia – the other genera are Heliomedusa (a possible junior synonym of Mickwitzia?) and Setatella. The family Mickwitziidae is conceivably paraphyletic with respect to certain crown-group brachiopods.