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Pachyceras
Taxonomy
Pachyceras was named by Bayle (1878) [Sepkoski's age data: J Call-u J Oxfo-l]. Its type is Ammonites lalandeanus.
It was assigned to Pachyceratidae by Arkell (1952), Arkell et al. (1957), Bogolepova (1995); and to Ammonoidea by Sepkoski (2002).
It was assigned to Pachyceratidae by Arkell (1952), Arkell et al. (1957), Bogolepova (1995); and to Ammonoidea by Sepkoski (2002).
Species
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by P. Scofield on 2024-04-06
Synonymy list
| Year | Name and author |
|---|---|
| 1878 | Pachyceras Bayle |
| 1952 | Pachyceras Arkell p. 291 |
| 1957 | Pachyceras Arkell et al. p. 297 |
| 1995 | Pachyceras Bogolepova |
| 2002 | Pachyceras Sepkoski |
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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. †Pachyceras Bayle 1878
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†Pachyceras lalandeanum d'Orbigny 1848
†Pachyceras schloenbachi Roman 1930
Diagnosis
No diagnoses are available