Chileata

Chileata Wiliams et al., 1996 is a class of rhynchonelliform brachiopods, characterised, among others, by the presence of a perforation in the umbonal region of the ventral valve, usually (partly) covered by a colleplax. They are known from the Cambrian to the Lower Permian.^[2]

Chileata Temporal range: Cambrian –Permian[1] PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Brachiopoda
Subphylum:	Rhynchonelliformea
Class:	†Chileata
Orders and Families
Order Chileida, Superfamily Matutelloidea Matutellidae Chileidae Order Dictyonellida, Superfamily Eichwaldioidea Eichwaldiidae Isogrammidae

Salanygolina may represent the chileate stem group.^[3]