#dictyonellida

Dictyonellida

Order of brachiopods

Dictyonellida Cooper, 1956 is a brachiopod order within the class Chileata, characterised by a perforation in the ventral valve that is extended through resorption and covered by a colleplax. The dictyonellides are known from the Upper Ordovician to the Lower Permian.

Thu 20th

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