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Discors

Bivalvia - Cardiida - Cardiidae

Taxonomy
Discors was named as a genus. It is not extant.

It was reranked as Cardium (Discors) by Vredenburg (1928); it was reranked as Nemocardium (Discors) by Iqbal (1980), Le Renard and Pacaud (1995).

It was assigned to Cardium by Vredenburg (1928); to Laevicardiinae by Schneider (1995); to Nemocardium by Iqbal (1980), Le Renard and Pacaud (1995); and to Veneroida by Sepkoski (2002).

Synonymy list
YearName and author
1928Cardium (Discors) Vredenburg p. 443
1980Nemocardium (Discors) Iqbal p. 30
1995Nemocardium (Discors) Le Renard and Pacaud p. 74
1995Discors Schneider p. 339
2002Discors Sepkoski

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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
—CardioideiFerussac 1822
superfamilyCardioidea(Lamarck 1809)
familyCardiidaeLamarck 1809
subfamilyLaevicardiinaeKeen 1936
genusDiscors

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. †Discors
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†Discors triforme Sowerby 1840
†Nemocardium (Discors) naricum Vredenburg 1928
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobilef
Life habit: infaunalf
Diet: suspension feederf
Vision: blindc
Created: 2009-07-04 09:31:14
Modified: 2009-08-17 22:21:59
Source: f = family, c = class
References: Aberhan et al. 2004, Todd 2001

Age range: base of the Ypresian to the top of the Late/Upper Pleistocene or 56.00000 to 0.01170 Ma

Collections (32 total)


Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 48.07India D. tewarii (145442)
Ypresian56.0 - 48.07India (Rajasthan) Nemocardium bunburyi (46999)
Lutetian48.07 - 41.03Pakistan D. sp. A (47022)
Lutetian48.07 - 41.03India (Himachal Pradesh) D. simlaensis (81505)
Lutetian48.07 - 41.03India D. punjabensis (145444)
Bartonian41.03 - 37.71France Nemocardium parisiense (78567)
Priabonian37.71 - 33.9Bulgaria (Burgas) D. parisiense (85445)
Priabonian37.71 - 33.9Italy Nemocardium parisiense (78565)
Early/Lower Oligocene33.9 - 27.3Pakistan Nemocardium naricum (77450)
Rupelian33.9 - 27.3Pakistan Cardium naricum (77159)
Aquitanian23.04 - 20.45France (Aquitaine) D. aquitanicus (74865)
Aquitanian - Burdigalian23.04 - 15.98Germany Nemocardium spondyloides (171410)
Early/Lower Miocene23.04 - 15.98Sri Lanka D. triforme (77646)
Early/Lower Miocene23.04 - 15.98Pakistan Cardium triforme (77162 77164 77171 77400 77432)
Burdigalian20.45 - 15.98Austria D. spondyloides (77402 77403)
Burdigalian20.45 - 15.98Italy D. discrepans (178108)
Burdigalian20.45 - 15.98Sri Lanka D. triforme (77475)
Middle Miocene15.98 - 11.63Indonesia Nemocardium rutteni (70081 70107)
Middle Miocene15.98 - 11.63Bulgaria D. aquitanicus (60289) D. aquitanicus, D. spondyloides (60288)
Late/Upper Miocene11.63 - 5.333Iran Cardium triforme (79065)
Late/Upper Miocene11.63 - 5.333Indonesia Nemocardium musperi (70083)
Late/Upper Miocene11.63 - 5.333Pakistan Cardium triforme (77133)
Late/Upper Miocene - Pliocene11.63 - 2.58Indonesia (New Guinea) Nemocardium parvulum (42394)
Late/Upper Pliocene3.6 - 2.58Japan (Ryukyu) D. lyrata, D. sp. (41598)
Late/Upper Pleistocene0.129 - 0.0117Japan (Ryukyu) D. lyrata (41606)