| 词条 | Heterodonta |
| 释义 |
| image = NZ Cockles.JPG | image_caption = The venerid species, Austrovenus stutchburyi, the New Zealand cockle, is sold internationally as sea food | taxon = Heterodonta | authority = | subdivision_ranks = Orders | subdivision = †Cycloconchidae †Hippuritoida †Lyrodesmatidae †Redoniidae Anomalodesmata Myoida Lucinoida Veneroida }}Heterodonta is a taxonomic subclass of saltwater clams, marine bivalve molluscs. This subclass includes the edible clams, the cockles and the Venus clams.[1] DescriptionThese 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.[2] OrdersThis subclass contains four extinct orders, five orders of living bivalves, and a group of as yet unassigned Euheterodonta:
2010 taxonomyIn 2010, a new proposed classification system for the Bivalvia was published in by Bieler, Carter & Coan, revising the classification of the Bivalvia, including the subclass Heterodonta.[3] Subclass: HeterodontaInfraclass: Archiheterodonta[4][5]Order: Carditoida[6]
Infraclass: Euheterodonta[7]Unassigned Euheterodonta[8]
Order: Anomalodesmata[9]
Order: Myoida[10]
Order: Lucinoida[11]
Order: Veneroida[12]
References1. ^{{WRMS species|216|Heterodonta Neumayr, 1884||3 February 2009}} {{Taxonbar|from=Q131873}}{{bivalve-stub}}2. ^{{cite book |author= Barnes, Robert D. |year=1982 |title= Invertebrate Zoology |publisher= Holt-Saunders International |location= Philadelphia, PA|page= 340|isbn= 0-03-056747-5}} 3. ^Bieler, R., Carter, J.G. & Coan, E.V. (2010) Classification of Bivalve families. Pp. 113-133, in: Bouchet, P. & Rocroi, J.P. (2010), Nomenclator of Bivalve Families. Malacologia 52(2): 1-184 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. ^{{WRMS species|382256|Carditoida Dall, 1889||3 August 2010}} 7. ^{{WRMS species|382296|Euheterodonta Giribet in Taylor, Williams, Glover & Dyal, 2007||3 February 2009}} 8. ^{{WRMS species|382297|Unassigned Euheterodonta||12 July 2009}} 9. ^{{WRMS species|254|Anomalodesmata Dall, 1889||9 July 2010}} 10. ^{{WRMS species|245|Myoida Stoliczka, 1870||9 July 2010}} 11. ^{{WRMS species|489106|Lucinoida Gray, 1854||10 July 2010}} 12. ^{{WRMS species|217|Veneroida Gray, 1854||9 July 2010}} 2 : Bivalve taxonomy|Mollusc subclasses |
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