Heteroconchia

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Infraclass of molluscs

title: "Heteroconchia" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["bivalve-taxonomy", "mollusc-subclasses"] description: "Infraclass of molluscs" topic_path: "general/bivalve-taxonomy" source: "https://en.wikipedia.org/wiki/Heteroconchia" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Infraclass of molluscs ::

| image = NZ Cockles.JPG | image_caption = The venerid species Austrovenus stutchburyi, the New Zealand cockle, is sold internationally as sea food. | taxon = Heteroconchia | authority = J. E. Gray, 1854 | subdivision_ranks = Subterclasses | subdivision = *Archiheterodonta

Heteroconchia is a taxonomic infraclass of diverse bivalve molluscs, belonging to the subclass Autobranchia.

This infraclass includes the cockles, Venus clams, the freshwater mussels, brooch clams, as well as Heterodonta and Archiheterodonta.

Description

These bivalves are distinguished by having the two halves of the shell equally sized (i.e, they are equivalved) and having a few cardinal teeth separated from a number of long lateral teeth. Their shells lack a nacreous layer, and the gills are lamellibranch in form. Most species have a siphon.

Orders and families

The following tree is their info which has been updated with the latest information from the World Register of Marine Species:

Infraclass: Heteroconchia

References

References

  1. "Heteroconchia".
  2. "Molluscabase - Heteroconchia".
  3. Barnes, Robert D.. (1982). "Invertebrate Zoology". Holt-Saunders International.
  4. {{WRMS species. 382255. ''Archiheterodonta'' Giribet in Taylor, Williams, Glover & Dyal, 2007. 3 February 2009
  5. Giribet G. 2008. Bivalvia. Pp. 105–141, in: Ponder W.F. & Lindberg D.L. (eds), Molluscan Phylogeny. Berkeley: University of California Press, xi+469 pp.
  6. "WoRMS - World Register of Marine Species - Actinodontida †".
  7. "WoRMS - World Register of Marine Species - Redoniidae Babin, 1966 †".
  8. {{WRMS species. 382256. ''Carditoida'' Dall, 1889. 3 August 2010
  9. {{WRMS species. 382296. ''Euheterodonta'' Giribet in Taylor, Williams, Glover & Dyal, 2007. 3 February 2009
  10. {{WRMS species. 382297. ''Unassigned Euheterodonta''. 12 July 2009
  11. {{WRMS species. 254. ''Anomalodesmata'' Dall, 1889. 9 July 2010
  12. "WoRMS - World Register of Marine Species - Imparidentia".
  13. "WoRMS - World Register of Marine Species - Adapedonta".
  14. "WoRMS - World Register of Marine Species - Cardiida".
  15. "WoRMS - World Register of Marine Species - Galeommatida".
  16. "WoRMS - World Register of Marine Species - Gastrochaenida".
  17. "WoRMS - World Register of Marine Species - Hippuritida †".
  18. {{WRMS species. 489106. ''Lucinoida'' Gray, 1854. 10 July 2010
  19. "WoRMS - World Register of Marine Species - Megalodontida †".
  20. "WoRMS - World Register of Marine Species - Modiomorphida †".
  21. {{WRMS species. 245. ''Myoida'' Stoliczka, 1870. 9 July 2010
  22. "WoRMS - World Register of Marine Species - Sphaeriida".
  23. {{WRMS species. 217. ''Veneroida'' Gray, 1854. 9 July 2010
  24. "Molluscabase - Palaeoheterodonta".
  25. "WoRMS - World Register of Marine Species - Lyrodesmatidae P. Fischer, 1886 †".

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