Pholadidea
| Pholadidea | |
|---|---|
| File:Pholadidea suteri 111531837 (cropped).jpg | |
| Pholadidea suteri | |
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Myida |
| Superfamily: | Pholadoidea |
| Family: | Pholadidae |
| Genus: | Pholadidea Turton, 1819 |
| Type species | |
| Pholadidea loscombiana Turton, 1819[1]
| |
| Species | |
|
See text. | |
| Synonyms[2] | |
| |
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Pholadidea is a taxonomic genus of marine bivalve molluscs in the subfamily Martesiinae of the family Pholadidae (the piddocks). Most members of Pholididea bore into shale, soft rock and coral for shelter, with the exception of Pholididea (Hatasia) wiffenae, which is a wood-borer.[1]
Appearance
[edit | edit source]The Pholididea are distinguished from the other genera in Martesiinae by having only on umbonal-ventral sulcus, a longitudinally-divided mesoplax, and either no metaplax and hypoplax, or a single plate caused by deposition of calcite in the periostratum.[1]
Occurrence
[edit | edit source]Pholididea is known from the Eocene to the Holocene, while the subgenus P. (Hatasia) is known only from the Holocene.[1] Species have been reported from the Palaeocene and Late Cretaceous, but these likely belong in other genera.[1]
Taxonomy
[edit | edit source]The following taxonomic classifications exist in Pholididea:[1][2]
Subgenera
[edit | edit source]- Pholadidea (Pholadidea) Turton, 1819
- Pholadidea (Hatasia) Gray, 1851
Species
[edit | edit source]- Pholadidea acherontea Beu & Climo, 1974
- Pholadidea eborensis Cosel & Haga, 2018
- Pholadidea fauroti Jousseaume, 1888
- † Pholadidea finlayi Laws, 1936
- Pholadidea loscombiana Turton, 1819
- Pholadidea melanura G.B. Sowerby I, 1834
- Pholadidea quadra G.B. Sowerby I, 1834
- Pholadidea suteri Lamy, 1926
- Pholadidea tridens Gray, 1843
- Pholadidea tubifera G.B. Sowerby I, 1834
- † Pholadidea wiffenae Crampton, 1990
- Synonyms
- Pholadidea acutithyra Tchang, Tsi & Li, 1960 accepted as Penitella acutithyra Tchang, Tsi & Li, 1960
- Pholadidea cheveyi Lamy, 1927 accepted as Aspidopholas ovum W. Wood, 1828
- Pholadidea chishimana Habe, 1955 accepted as Penitella gabbii Tryon, 1863
- Pholadidea dolichothyra Tchang, Tsi & Li, 1960 accepted as Penitella dolichothyra Tchang, Tsi & Li, 1960
- Pholadidea esmeraldensis Olsson, 1961: synonym of Pholadidea tubifera (G. B. Sowerby I, 1834)
- Pholadidea minuscula Dall, 1908 accepted as Martesia fragilis Verrill & Bush, 1898
- Pholadidea sagitta Dall, 1916 accepted as Penitella penita Conrad, 1837
References
[edit | edit source]- Coan, E. V.; Valentich-Scott, P. (2012). Bivalve seashells of tropical West America. Marine bivalve mollusks from Baja California to northern Peru. 2 vols, 1258 pp.
External links
[edit | edit source]
- Turton, W. (1819) A Conchological Dictionary of the British Islands. J. Booth, London, xxvii + 272 pp., 28 pls
- Leach W. E. (1852). Molluscorum Britanniae Synopsis. A synopsis of the Mollusca of Great Britain arranged according to their natural affinities and anatomical structure. London pp. VIII + 376
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