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Trigonarca (Costelliarca) trichinopolitensis

Bivalvia - Arcida - Glycymerididae

Taxonomy
Arca trinchinopolitensis was named by Forbes (1846).

It was recombined as Trigonarca trichinopolitensis by Stoliczka (1871); it was recombined as Trigonarca (Costelliarca) trichinopolitensis by Kendrick and Vartak (2007).

Sister species lacking formal opinion data
T. depressa, T. obliqua

Synonymy list
YearName and author
1846Arca trinchinopolitensis Forbes p. 150 figs. Pl 15, fig 16
1871Trigonarca trichinopolitensis Stoliczka
2007Trigonarca (Costelliarca) trichinopolitensis Kendrick and Vartak p. 24 figs. 4A-J

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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
subgenusCostelliarcaChiplonkar and Tapaswi 1973
speciestrichinopolitensis()

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.

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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
valve height638.135.241.338.42.51

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: Mikkelsen and Bieler 2008, Aberhan et al. 2004

Age range: base of the Middle Cenomanian to the top of the Coniacian or 99.60000 to 86.30000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Cenomanian99.6 - 93.5India Trigonarca trichinopolitensis (228245)
Middle Cenomanian99.6 - 93.5India Trigonarca trichinopolitensis (228246)
Coniacian89.8 - 86.3India (Tamil Nadu) Trigonarca trichinopolitensis (46442)