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Ptychoceratidae
Taxonomy
Ptychoceratidae was named by Meek (1876). Its type is Ptychoceras.
It was reranked as the subfamily Ptychoceratinae by Förster (1975).
It was assigned to Hamitaceae by Wright (1952); to Ammonoidea by Kemper (1964); to Baculitidae by Förster (1975); to Ancylocerataceae by Reboulet (1996) and Landra et al. (2000); to Turrilitaceae by Szives (2007); and to Ancyloceratoidea by Henderson (1990) and Bersac and Bert (2019).
It was reranked as the subfamily Ptychoceratinae by Förster (1975).
It was assigned to Hamitaceae by Wright (1952); to Ammonoidea by Kemper (1964); to Baculitidae by Förster (1975); to Ancylocerataceae by Reboulet (1996) and Landra et al. (2000); to Turrilitaceae by Szives (2007); and to Ancyloceratoidea by Henderson (1990) and Bersac and Bert (2019).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1876 | Ptychoceratidae Meek |
| 1952 | Ptychoceratidae Wright |
| 1964 | Ptychoceratidae Kemper p. 38 |
| 1975 | Ptychoceratinae Förster p. 163 |
| 1990 | Ptychoceratidae Henderson p. 125 |
| 1996 | Ptychoceratidae Reboulet p. 180 |
| 2000 | Ptychoceratidae Landra et al. p. 38 |
| 2007 | Ptychoceratidae Szives p. 58 |
| 2019 | Ptychoceratidae Bersac and Bert |
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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.
Fm. †Ptychoceratidae Meek 1876
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G. †Diptychoceras Gabb 1869
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†Diptychoceras iwatense Obata and Matsukawa 2018
†Ptychoceras (Diptychoceras) glaber Whiteaves 1884
G. †Ptychoceras d'Orbigny 1842
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†Ptychoceras adpressum Sowerby 1814
†Ptychoceras emericianum d'Orbigny 1842
†Ptychoceras fauncei Haas 1942
†Ptychoceras laeve Matheron 1842
†Ptychoceras laeve Gabb 1869
†Ptychoceras natrice Anderson 1938
†Ptychoceras poni Simionescu 1898
†Ptychoceras puzosianum d'Orbigny 1842
†Ptychoceras quadratus Gabb 1864
Diagnosis
No diagnoses are available