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Arctoptychites
Taxonomy
Arctoptychites was named by Archipov et al. (1974) [Sepkoski's age data: Tr Ladi-l Sepkoski's reference number: 302]. It is not extant.
It was assigned to Ptychitidae by Tozer (1981), Tozer (1994); and to Ceratitida by Sepkoski (2002).
It was assigned to Ptychitidae by Tozer (1981), Tozer (1994); and to Ceratitida by Sepkoski (2002).
Synonymy list
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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. †Arctoptychites Archipov et al. 1974
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†Arctoptychites euglyphus Mojsisovics 1886
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Invalid names: Ptychites latifrons Mojsisovics 1886 [synonym], Ptychites lundgreni Mojsisovics 1886 [synonym], Ptychites nordenskjoldi Mojsisovics 1886 [synonym]
†Arctoptychites kruzini Bychkov et al. 1976
†Arctoptychites lingulatus Tozer 1994
Diagnosis
No diagnoses are available