rhynchonelliform Rhynchonelliformea is a major subphylum and clade of brachiopods. It is equivalent to the former class Articulata, which was used previously in brachiopod taxonomy. Articulate brachiopods have many anatomical differences relative to "inarticulate" ...

class, characterised by the presence of a colleplax; closest relative (?): ''Salanygolina''.Holmer, L.E., Stolk, S.P., Skovsted, C.B., Balthasar, U., and Popov, L. (2009). The enigmatic early Cambrian ~Salanygolina~ - A stem group of rhynchonelliform chileate brachiopods? Palaeontology 52, 1–10.

Salanygolina

Thought to be a sister group.

References

Brachiopods {{paleo-protostome-stub