Pholadidea

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]

Pholadidea
Pholadidea suteri
Scientific classification Edit this classification
Domain: Eukaryota
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]
  • Cadmusia Leach in Gray, 1852
  • Hastasia (misspelling by Olsson 1961)
  • Hatasia Gray, 1851
  • Pholadidea (Hatasia) Gray, 1851· accepted, alternate representation
  • Pholadidea (Pholadidea) W. Turton, 1819· accepted, alternate representation
  • † Pholameria Conrad, 1865
  • Talonella Gray, 1851

Appearance

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

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

The following taxonomic classifications exist in Pholididea:[1][2]

Subgenera
  • Pholadidea (Pholadidea) Turton, 1819
  • Pholadidea (Hatasia) Gray, 1851

Species
  • Pholadidea acherontea Beu & Climo, 1974
  • Pholadidea eborensis Cosel & Haga, 2018
  • Pholadidea fauroti Jousseaume, 1888
  • † Pholadidea finlayi Laws, 1936
  • Pholadidea loscombiana Turton, 1819
  • Pholadidea melanura .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
  1. Crampton, James S. (1990). "A New Species of Late-Cretaceous Wood-boring Bivalve from New Zealand" (PDF). Palaeontology. 33 (4): 981–992.
  2. Gofas, Serge; Bastien Tran; Phillipe Bouchet (2004–2011). "Pholadidea Turton, 1819". WoRMS. World Register of Marine Species.
  • 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.
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