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Oxyperas

Bivalvia - Cardiida - Mactridae

Taxonomy
Oxyperas was named by Mörch (1853) [Sepkoski's age data: T Mi-m R]. It is extant.

It was reranked as Spisula (Oxyperas) by Olsson (1928).

It was assigned to Spisula by Olsson (1928); to Mactridae by Olsson (1931); to Veneroida by Sepkoski (2002); and to Mactrinae by Maxwell (1978), Beu (2006).

Species
O. (Pseudoxyperas), O. callistoides, O. deserta, O. parinensis, O. steinmanni
Species lacking formal opinion data
O. bernardi, O. flemingi
Entered
by J. Sepkoski on 2003-01-23; modified by A. Hendy on 2014-11-18

Synonymy list
YearName and author
1853Oxyperas Mörch p. 4
1928Spisula (Oxyperas) Olsson p. 93
1931Oxyperas Olsson p. 67
1978Oxyperas Maxwell p. 22
2002Oxyperas Sepkoski
2006Oxyperas Beu pp. 225, 239

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
RankNameAuthor
—CardioniFerussac 1822
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
—Veneroidei(Gray 1854)
—VeneroiteiGray 1854
superfamilyMactroidea(Lamarck 1809)
familyMactridaeLamarck 1809
subfamilyMactrinaeLamarck 1809
genusOxyperasMörch 1853

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.

G. Oxyperas Mörch 1853
show all | hide all
†Oxyperas callistoides Olsson 1928
†Oxyperas deserta Olsson 1928
†Oxyperas parinensis Olsson 1928
†Oxyperas steinmanni Olsson 1931
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobilef
Life habit: infaunalf
Diet: suspension feederf
Vision: blindc
Created: 2009-09-09 13:48:47
Modified: 2009-09-09 15:48:47
Source: f = family, c = class
References: Sanchez Roig 1926, Aberhan et al. 2004

Age range

Maximum range based only on fossils: base of the Lutetian to the top of the Early/Lower Pliocene or 48.07000 to 3.60000 Ma
Minimum age of oldest fossil (stem group age): 41.03 Ma

Collections (21 total)


Time interval Ma Country or state Original ID and collection number
Lutetian48.07 - 41.03New Zealand (Canterbury) Longimactra flemingi (50147) Longimactra sp. (50161)
Lutetian48.07 - 41.03Antarctica O. ortmanni (180150 278338)
Bartonian41.03 - 37.71Antarctica O. ortmanni (57762 113374 207756 278585)
Bartonian41.03 - 37.71Peru (Piura) Spisula deserta (52526 52536) Spisula parinensis (88365)
Late/Upper Eocene37.71 - 33.9Peru (Piura) Spisula callistoides (52523) Spisula callistoides, Spisula deserta (88367)
Early/Lower Oligocene33.9 - 27.3Peru (Piura) Spisula steinmanni (55433 55441)
Waitakian25.2 - 21.7New Zealand (South Island) O. exensis (205324)
Middle Miocene15.98 - 11.63Russian Federation (Sakhalinskaya) O. sp. (61932)
Late/Upper Miocene11.63 - 5.333Japan O. bernardi (71049) Spisula sp. (52117 52118)
Early/Lower Pliocene5.333 - 3.6Japan O. bernardi (97031)