Anomalodesmata

Anomalodesmata; Temporal range: Tremadocian–0 PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Subclass:	Heterodonta
Order:	Anomalodesmata; Dall, 1889
Families
	See text.
Synonyms
	Anomalodesmacea; Pholadomyida; Pholadomyoida

Anomalodesmata is an order of saltwater clams, marine bivalve molluscs.^[2] This grouping was formerly recognised as a taxonomic subclass. It is called a superorder in the current World Register of Marine Species, despite having no orders, to parallel it with sister taxon , which does have orders.^[3]

Description[]

The shells of species in this order are of equal size, as are the muscles that hold them closed, and the margins at the hinges are thickened. The margins of the mantle are also fused, and there is only a single hinge tooth, if any.^[4]

Families[]

In 2010, a new proposed classification system for the Bivalvia was published in Malacologia by Bieler, Carter & Coan revising the classification of the Bivalvia, including the order Anomalodesmata.^[5] The following tree is their info which has been updated with the latest information from the World Register of Marine Species:

Order: Anomalodesmata

Superfamily:
- Family: Clavagellidae
- Family: Penicillidae
Superfamily: Cuspidarioidea
- Family: Cuspidariidae
- Family: Halonymphidae
- Family: Protocuspidariidae
- Family: Spheniopsidae
Superfamily:
- Family: Cleidothaeridae
- Family: Myochamidae
Superfamily:
- Family: Lyonsiidae
- Family: Pandoridae
Superfamily:
- Family: †
- Family: †
- Family: Parilimyidae
- Family: Pholadomyidae
- Family: †
Superfamily: Poromyoidea
- Family: Cetoconchidae
- Family: Poromyidae
Superfamily:
- Family: †
- Family: Clistoconchidae
- Family: Laternulidae
- Family: Periplomatidae
- Family: Thraciidae
Superfamily:
- Family: Euciroidae
- Family: Lyonsiellidae
- Family: Verticordiidae

References[]

^ Sánchez, T. M.; Vaccari, N. E. (2003). "Ucumariidae new family (Bivalvia, Anomalodesmata) and other bivalves from the Early Ordovician (Tremadocian) of northwestern Argentina". Ameghiniana. 40 (3): 415–424. doi:10.5710/amgh.v40i3.969 (inactive 31 October 2021).{{cite journal}}: CS1 maint: DOI inactive as of October 2021 (link)
^ World Register of Marine Species link: Anomalodesmata Dall, 1889 (+species list)
^ World Register of Marine Species link: Imparidentia Bieler, P. M. Mikkelsen & Giribet, 2014 (+species list)
^ Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 431. 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

Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1

External links[]

"Anomalodesmata". Integrated Taxonomic Information System.

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[1] Sánchez, T. M.; Vaccari, N. E. (2003). "Ucumariidae new family (Bivalvia, Anomalodesmata) and other bivalves from the Early Ordovician (Tremadocian) of northwestern Argentina". Ameghiniana. 40 (3): 415–424. doi:10.5710/amgh.v40i3.969 (inactive 31 October 2021).{{cite journal}}: CS1 maint: DOI inactive as of October 2021 (link)

[2] World Register of Marine Species link: Anomalodesmata Dall, 1889 (+species list)

[3] World Register of Marine Species link: Imparidentia Bieler, P. M. Mikkelsen & Giribet, 2014 (+species list)

[IZ-4] Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 431. ISBN 0-03-056747-5.

[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

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