Acrotretida

The Acrotretida are a group of sessile, suspension-feeding brachiopods known from the Cambrian period and surviving until the present day.[2] Their shell has a round outline, and is usually phosphatic in recent specimens.

Acrotretida
Temporal range: Mid Cambrian–Present
Prototreta trapeza lampshell
Scientific classification
Kingdom: Animalia
Clade: Lophophorata
Phylum: Brachiopoda
Class: Lingulata
Order: Acrotretida
Families
  • Acrotretidae
  • Scaphelasmatidae
  • Torynelasmatidae
  • Ephippelasmatidae
  • Biernatidae
  • Ceratretidae
  • Eoconulidae
  • Curticiidae

(per [1])

They contain the sole superfamily Acrotretoidea.[3]

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., LAZAREV, S. S., GRANT, R. E., RACHEBOEUF, P. R., JIN, Y.-G., WARDLAW, B. R., HARPER, D. A. T. and WRIGHT, A. D. 2000. Part H, Brachiopoda. Linguliformea, Craniiformea, and Rhynchonelliformea. Geological Society of America, .
  2. Holmer, L. (1991). "Phyletic relationships within the Brachiopoda". GFF. 113: 84. doi:10.1080/11035899109453832.
  3. 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., LAZAREV, S. S., GRANT, R. E., RACHEBOEUF, P. R., JIN, Y.-G., WARDLAW, B. R., HARPER, D. A. T. and WRIGHT, A. D. 2000. Part H, Brachiopoda. Linguliformea, Craniiformea, and Rhynchonelliformea. Geological Society of America, .


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