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Pholas (Thovana)

Bivalvia - Pholadida - Pholadidae

Taxonomy
Thovana was named by Gray (1847) [Sepkoski's age data: T Mi R]. It is extant. Its type is Pholas campechiensis.

It was reranked as Pholas (Thovana) by Glenn (1904), Coan and Valentich-Scott (2012).

It was assigned to Myoida by Sepkoski (2002); and to Pholas by Glenn (1904), Coan and Valentich-Scott (2012).

Synonymy list
YearName and author
1847Thovana Gray
1904Pholas (Thovana) Glenn p. 274
2002Thovana Sepkoski
2012Pholas (Thovana) Coan and Valentich-Scott p. 892

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
RankNameAuthor
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderPholadiformiiGray 1854
orderPholadidaGray 1854
superfamilyPholadoideaLamarck 1809
familyPholadidaeLamarck 1809
subfamilyPholadinaeLamarck 1809
genusPholasLinnaeus 1758
subgenusThovana(Gray 1847)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Subg. Pholas (Thovana) Gray 1847
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: stationaryg
Life habit: boringg
Diet: suspension feederg
Vision: blindc
Created: 2009-09-09 14:17:59
Modified: 2009-09-09 16:17:59
Source: g = genus, c = class
References: Sanchez Roig 1926, Aberhan et al. 2004

Age range

Maximum range based only on fossils: base of the Burdigalian to the top of the Late/Upper Pleistocene or 20.45000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 15.98 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Burdigalian20.45 - 15.98USA (Delaware) Thovana sp. (18579)
Pliocene - Pleistocene5.333 - 0.0117Chile (Coquimbo) Pholas chiloensis (222364)
Early/Lower Pleistocene2.58 - 0.774Ecuador (Manabi) Pholas chiloensis (48665)
Pleistocene2.58 - 0.0117Chile (Copiapó) Pholas chiloensis (222837)
Middle Pleistocene0.774 - 0.129Angola Pholas campechiensis (152645)
Late/Upper Pleistocene0.129 - 0.0117Peru Pholas chiloensis (76643)
Late/Upper Pleistocene0.129 - 0.0117USA (South Carolina) Pholas campechiensis (66760 69046)