Discinida

Discinida
Temporal range: Early Cambrian –Recent[1]
Scientific classification
Kingdom: Animalia
Phylum: Brachiopoda
Subphylum: Linguliformea
Order: Discinida
Superfamilies (and genera)

Discinida is an order of brachiopods comprising the extant superfamily Discinoidea, and the extinct superfamilies Botsfordioidea (early—mid-Cambrian) and Acrotheloidea (early Cambrian–Early Ordovician).[2] It represents a sister taxon to the Lingulids, and is possibly paraphyletic with respect to the Acrotretoids.[3] The group displays a broad range of shell structures, some of which incorporate substantial organic or silicified components.[3]

References

  1. ↑ "Discinida". Retrieved 1 September 2016.
  2. ↑ Ruppert, E.E; Fox, R.S.; Barnes, R.D (2004). Invertebrate Zoology (7 ed.). Brooks/Cole. pp. 821–829. ISBN 0-03-025982-7.
  3. 1 2 Williams, A.; Cusack, M.; Buckman, J. O. (1998). "Chemico-structural phylogeny of the discinoid brachiopod shell". Philosophical Transactions of the Royal Society B: Biological Sciences. 353 (1378): 2005. doi:10.1098/rstb.1998.0350.
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