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Ptychophylloceratinae
Taxonomy
Ptychophylloceratinae was named by Collignon (1956).
It was assigned to Phylloceratidae by Reboulet (1996), Lukeneder (2004), Murphy and Rodda (2006), Grigore (2011), Grigore (2013) and Sato and Yamada (2014).
It was assigned to Phylloceratidae by Reboulet (1996), Lukeneder (2004), Murphy and Rodda (2006), Grigore (2011), Grigore (2013) and Sato and Yamada (2014).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
1956 | Ptychophylloceratinae Collignon |
1996 | Ptychophylloceratinae Reboulet p. 188 |
2004 | Ptychophylloceratinae Lukeneder p. 49 |
2006 | Ptychophylloceratinae Murphy and Rodda p. 45 |
2011 | Ptychophylloceratinae Grigore p. 196 |
2013 | Ptychophylloceratinae Grigore p. 87 |
2014 | Ptychophylloceratinae Sato and Yamada p. 28 |
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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.
Subfm. †Ptychophylloceratinae Collignon 1956
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G. †Sowerbyceras Parona and Bonarelli 1895
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†Sowerbyceras biarcuatum Munier-Chalmas 1880
†Sowerbyceras loryi Munier-Chalmas 1875
†Sowerbyceras protortisulcatum Pompeckj 1893
†Sowerbyceras silenum Fontannes 1876
†Sowerbyceras tietzei Till 1910
†Sowerbyceras tortisulcatum d'Orbigny 1841
Diagnosis
Reference | Diagnosis | |
---|---|---|
M. A. Murphy and P. U. Rodda 2006 | A subfamily of Phylloceratidae with smooth or faintly ribbed, moderately inflated shells with periodic partial collars on the periphery of the shell and periodic periumbilical constrictions; suture with diphyllic main saddles. |