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Neomegalodon triqueter

Bivalvia - Megalodontida - Megalodontidae

Taxonomy
Cardium triquetrum was named by Wulfen (1793). It is a 3D body fossil. Its type locality is St. Oswald adit, Bad Bleiberg, which is in a Julian lagoonal/restricted shallow subtidal packstone in the Wetterstein Formation of Austria.

It was recombined as Megalodus triqueter by von Wöhrmann (1889), Frech (1912) and Zapfe (1972); it was recombined as Neomegalodon triqueter by Yao et al. (2007).

Synonymy list
YearName and author
1793Cardium triquetrum Wulfen p. 48 figs. Pl 2, figs 1-3
1889Megalodus triqueter von Wöhrmann
1912Megalodus triqueter Frech
1972Megalodus triqueter Zapfe p. 596 figs. Pl 1, fig 4
2007Neomegalodon triqueter Yao et al. p. 1334

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Cox 1960)
RankNameAuthor
CardiomorphiFerussac 1822
CardioniFerussac 1822
CardiidiaFerussac 1822
CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderMegalodontidaStarobogatov 1992
superfamilyMegalodontoidea(Morris 1853)
familyMegalodontidaeMorris 1853
genusNeomegalodonGuembel 1864
speciestriqueter()

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.

Diagnosis
No diagnoses are available