Heterodonta
| Heterodonta | |
|---|---|
 | |
| The venerid species, Austrovenus stutchburyi, the New Zealand cockle, is sold internationally as sea food | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Subclass: | Heterodonta |
| Orders | |
|
†Cycloconchidae | |
Heterodonta is a taxonomic subclass of saltwater clams, marine bivalve molluscs. This subclass includes the edible clams, the cockles and the Venus clams.[1]
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.[2]
Orders
This subclass contains four extinct orders, five orders of living bivalves, and a group of as yet unassigned Euheterodonta:
- Order †Cycloconchidae
- Order †Hippuritoida (rudists)
- Order †Lyrodesmatidae
- Order †Redoniidae
2010 Taxonomy
In 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: Heterodonta
Order: Carditoida[6]
- Superfamily: Carditoidea
- Family: Carditidae
- Family: Condylocardidae
- Superfamily: Crassitelloidea
- Family: Crassitellidae
- Family: Astartidae
Unassigned Euheterodonta[8]
- Superfamily: Gastrochaenoidea
- Family: Gastrochaenidae
- Superfamily: Hiatelloidea
- Family: Hiatellidae
- Superfamily: Solenoidea
Order: Anomalodesmata[9]
- Superfamily: Clavagelloidea
- Family: Clavagellidae
- Family: Penicillidae
- Superfamily: Cuspidarioidea
- Family: Cuspidariidae
- Superfamily: Myochamoidea
- Family: Cleidothaeridae
- Family: Myochamidae
- Superfamily: Pandoroidea
- Family: Pandoridae
- Family: Lyonsiidae
- Superfamily: Pholadomyoidea
- Family: Parilimyidae
- Family: Pholadomyidae
- Superfamily: Poromyoidea
- Family: Poromyidae
- Superfamily: Thracioidea
- Family: Thraciidae
- Family: Laternulidae
- Family: Periplomatidae
- Superfamily: Verticordioidea
- Family: Lyonsiellidae
- Family: Verticordiidae
- Family: Euciroidae
Order: Myoida[10]
- Suborder: Myina
- Superfamily: Myoidea
- Family: Corbulidae
- Family: Myidae
- Superfamily: Pholadoidea
- Family: Pholadidae
- Family: Teredinidae
- Superfamily: Myoidea
Order: Lucinoida[11]
- Superfamily: Lucinoidea
- Family: Lucinidae
- Superfamily: Thyasiroidea
- Family: Thyasiridae
Order: Veneroida[12]
- Superfamily: Arcticoidea
- Family: Arcticidae
- Family: Trapezidae
- Superfamily: Corbiculoidea
- Family: Corbiculidae
- Superfamily: Cyamioidea
- Family: Cyamiidae
- Family: Neoleptonidae
- Family: Sportellidae
- Superfamily: Glossoidea
- Family: Glossidae
- Superfamily: Tridacnoidea
- Family: Tridacnidae
- Superfamily: Cardioidea
- Family: Cardiidae
- Superfamily: Chamoidea
- Family: Chamidae
- Superfamily: Galeommatoidea
- Family: Galeommatidae
- Family: Kelliidae
- Family: Lasaeidae
- Family: Leptonidae
- Family: Montacutidae
- Superfamily: Mactroidea
- Family: Cardiliidae
- Family: Mactridae
- Family: Mesodesmatidae
- Superfamily: Tellinoidea
- Family: Donacidae
- Family: Pharidae
- Family: Psammobiidae
- Family: Semelidae
- Family: Tellinidae
- Family: Solecurtidae
- Superfamily: Ungulinoidea
- Family: Ungulinidae
- Superfamily: Cyrenoididae
- Family: Cyrenoididae
- Superfamily: Veneroidea
- Family: Petricolidae
- Family: Turtoniidae
- Family: Veneridae
References
- ↑ Heterodonta Neumayr, 1884. Retrieved through: World Register of Marine Species on 3 February 2009.
- ↑ Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 340. ISBN 0-03-056747-5.
- ↑ 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
- ↑ Archiheterodonta Giribet in Taylor, Williams, Glover & Dyal, 2007. Retrieved through: World Register of Marine Species on 3 February 2009.
- ↑ 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.
- ↑ Carditoida Dall, 1889. Retrieved through: World Register of Marine Species on 3 August 2010.
- ↑ Euheterodonta Giribet in Taylor, Williams, Glover & Dyal, 2007. Retrieved through: World Register of Marine Species on 3 February 2009.
- ↑ Unassigned Euheterodonta. Retrieved through: World Register of Marine Species on 12 July 2009.
- ↑ Anomalodesmata Dall, 1889. Retrieved through: World Register of Marine Species on 9 July 2010.
- ↑ Myoida Stoliczka, 1870. Retrieved through: World Register of Marine Species on 9 July 2010.
- ↑ Lucinoida Gray, 1854. Retrieved through: World Register of Marine Species on 10 July 2010.
- ↑ Veneroida Gray, 1854. Retrieved through: World Register of Marine Species on 9 July 2010.
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