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Paratrachyceras
Taxonomy
Paratrachyceras was named by Arthaber (1915) [Sepkoski's age data: Tr Carn Sepkoski's reference number: 302]. It is not extant.
It was reranked as Trachyceras (Paratrachyceras) by Kummel (1960).
It was assigned to Trachyceras by Kummel (1960); to Trachyceratidae by Arthaber (1915), Spath (1951) and Okuneva et al. (1977); to Protrachyceratinae by Tozer (1981); and to Ceratitida by Sepkoski (2002).
It was reranked as Trachyceras (Paratrachyceras) by Kummel (1960).
It was assigned to Trachyceras by Kummel (1960); to Trachyceratidae by Arthaber (1915), Spath (1951) and Okuneva et al. (1977); to Protrachyceratinae by Tozer (1981); and to Ceratitida by Sepkoski (2002).
Species
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. †Paratrachyceras Arthaber 1915
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†Paratrachyceras hofmanni Boekh 1873
†Paratrachyceras ulynense Bychkov 1973
Diagnosis
No diagnoses are available