Dictyonellida

Dictyonellida
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Brachiopoda
Class:	†Chileata
Order:	†Dictyonellida

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.[1]

References

1. Williams, A., Carlson, S.J., Brunton, C.H.C., Holmer, L.E., Popov, L.E., Mergl, M., Laurie, J.R., Bassett, M.G., Cocks, L.R.M., Rong, J.-Y., et al. (2000). Treatise on Invertebrate Paeontology. Part H, Brachiopoda (Revised). Volume 2: Linguliformea, Craniiformea, and Rhynchonelliformea. (Geological Society of America & University of Kansas).

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[1] 1. Williams, A., Carlson, S.J., Brunton, C.H.C., Holmer, L.E., Popov, L.E., Mergl, M., Laurie, J.R., Bassett, M.G., Cocks, L.R.M., Rong, J.-Y., et al. (2000). Treatise on Invertebrate Paeontology. Part H, Brachiopoda (Revised). Volume 2: Linguliformea, Craniiformea, and Rhynchonelliformea. (Geological Society of America & University of Kansas).