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Opertochasma cuneatum

Bivalvia - Pholadida - Pholadidae

Taxonomy
Pholas cuneata was named by Meek and Hayden (1858).

It was recombined as Pholas (Martesia) cuneata by Meek and Hayden (1860); it was recombined as Martesia cuneata by Meek (1876); it was recombined as Opertochasma cuneatum by Stephenson (1952), Speden (1970).

Synonymy list
YearName and author
1858Pholas cuneata Meek and Hayden p. 53
1860Pholas (Martesia) cuneata Meek and Hayden p. 424
1876Martesia cuneata Meek figs. PI. 30, figs. 8a,b
1952Opertochasma cuneatum Stephenson p. 139
1970Opertochasma cuneatum Speden p. 148 figs. Plate 37, figs. 9-16; Plate 38, figs. 1-5

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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
genusOpertochasmaStephenson 1953
speciescuneatum(Meek and Hayden 1858)

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.

†Opertochasma cuneatum Meek and Hayden 1858
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: stationaryf
Life habit: boringf
Diet: suspension feederf
Vision: blindc
Created: 2009-09-09 13:51:40
Modified: 2009-09-09 15:51:40
Source: f = family, c = class
References: Aberhan et al. 2004, Sanchez Roig 1926

Age range: base of the Late/Upper Campanian to the top of the Maastrichtian or 83.60000 to 66.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.6 - 72.2USA (Colorado) Opertochasma cuneatum (162249)
Late/Upper Maastrichtian72.2 - 66.0USA (South Dakota) Opertochasma cuneatum (88510)
Maastrichtian72.2 - 66.0USA (South Dakota) Opertochasma cuneatum (1320)