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Nemocardium (Brevicardium)

Bivalvia - Cardiida - Cardiidae

Taxonomy
Brevicardium was named by Stephenson (1941) [Sepkoski's age data: K Camp K Maes]. It is not extant.

It was reranked as Nemocardium (Brevicardium) by Schneider (1995); it was reranked as Protocardium (Brevicardium) by Kosnik (2002).

It was assigned to Cardiidae by Stephenson (1941); to Protocardiinae by Vokes (1980); to Nemocardium by Schneider (1995); to Veneroida by Sepkoski (2002); and to Protocardium by Kosnik (2002).

Synonymy list
YearName and author
1941Brevicardium Stephenson
1980Brevicardium Vokes p. 128
1995Nemocardium (Brevicardium) Schneider p. 339
2002Brevicardium Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
RankNameAuthor
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
—CardioideiFerussac 1822
superfamilyCardioidea(Lamarck 1809)
familyCardiidaeLamarck 1809
—Neocardiids
—EucardiidsSchneider 1995
subfamilyFraginaeStewart 1930
genusNemocardiumMeek 1876
subgenusBrevicardium(Stephenson 1941)

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. †Nemocardium (Brevicardium) Stephenson 1941
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†Brevicardium fragile Stephenson 1941
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: Todd 2001, Aberhan et al. 2004

Age range: base of the Cenomanian to the top of the Late/Upper Maastrichtian or 100.50000 to 66.00000 Ma

Collections (28 total)


Time interval Ma Country or state Original ID and collection number
Cenomanian100.5 - 93.9USA (Texas) Brevicardium sp. (2120)
Late/Upper Campanian83.5 - 70.6USA (Delaware) Brevicardium parahillanum (6155 6171 6176)
Late/Upper Campanian83.5 - 70.6USA (Texas) Brevicardium sp. (7481)
Maastrichtian72.1 - 66.0USA (Alabama) Brevicardium fragile (1306) Brevicardium sp. (1307 1308)
Maastrichtian72.1 - 66.0USA (Missouri) Brevicardium fragile (1295)
Maastrichtian72.1 - 66.0USA (New Jersey) Brevicardium sp. (1313)
Maastrichtian72.1 - 66.0USA (Mississippi) Brevicardium fragile (1303 1305)
Maastrichtian72.1 - 66.0USA (Wyoming) Brevicardium parahillanum (1338)
Maastrichtian72.1 - 66.0USA (Texas) Brevicardium fragile (1297 1394) Brevicardium guadalupense (1395) Brevicardium marcosensis, Brevicardium fragile (1299) Brevicardium tenue (7531 7570)
Late/Upper Maastrichtian70.6 - 66.0USA (Texas) Protocardia fragile (4435 4436 4441 4490 4491)
Late/Upper Maastrichtian70.6 - 66.0USA (Alabama) Protocardia fragile (4194 4201)
Late/Upper Maastrichtian70.6 - 66.0USA (Mississippi) Protocardia fragile (4127)
Late/Upper Maastrichtian70.6 - 66.0USA (Missouri) Protocardia fragile (4382)