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Trigonarca camerunensis

Bivalvia - Arcida - Glycymerididae

Taxonomy
Trigonarca camerunensis was named by Riedel (1933). It is a 3D body fossil. Its type locality is Mungo River, profil VI, bed o, which is in a Coniacian carbonate limestone in the Mungo River Formation of Cameroon.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1933Trigonarca camerunensis Riedel p. 43 figs. Pl 7, figs 2,2a, 3,3a, 4,4a, 5,5a, 6,6a; pl 8, figs 7,7a
1957Trigonarca camerunensis Dartevelle and Freneix p. 27 figs. Pl 2, figs 2-9

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassPteriomorphia(Beurlen 1944)
OstreomorphiFerussac 1822
ArcioniGray 1854
orderArcida(Stoliczka 1871)
superfamilyArcoidea(Lamarck 1809)
familyGlycymerididaeNewton 1922
subfamilyArcullaeinaeNewell 1969
genusTrigonarcaConrad 1862
speciescamerunensis

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.

Trigonarca camerunensis Riedel 1933
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Adult height: 10 to < 100f
Thickness: thickf
Folds: nonef
Ribbing: majorf
Spines: nonef
Internal reinforcement: nonef
Ontogeny: accretionf
Environment: coastal, inner shelf, outer shelf, oceanicf
Locomotion: facultatively mobilef
Life habit: semi-infaunalf
Diet: suspension feederf
Vision: blindc
Created: 2008-11-18 16:50:20
Modified: 2009-08-18 19:29:29
Source: f = family, c = class
References: Aberhan et al. 2004, Mikkelsen and Bieler 2008

Age range: base of the Coniacian to the top of the Early/Lower Campanian or 89.80000 to 72.20000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Coniacian89.8 - 85.7Congo-Brazzaville Trigonarca camerunensis (1368)
Coniacian89.8 - 85.7Cameroon Trigonarca camerunensis (177976 type locality: 209672 209691 209692)
Middle Santonian - Late/Upper Santonian85.7 - 83.6Congo-Brazzaville Trigonarca camerunensis (191893)
Early/Lower Campanian83.6 - 72.2Cameroon Trigonarca camerunensis (94776 209676)