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Diadochoceras
Taxonomy
Diadochoceras was named by Hyatt (1900) [Sepkoski's age data: K Apti-u]. Its type is Ammonites nodosocostatus.
It was assigned to Parahoplitidae by Renz (1982); to Ammonoidea by Sepkoski (2002); to Cheloniceratinae by Szives (2007); and to Parahoplitinae by Lehmann et al. (2019).
It was assigned to Parahoplitidae by Renz (1982); to Ammonoidea by Sepkoski (2002); to Cheloniceratinae by Szives (2007); and to Parahoplitinae by Lehmann et al. (2019).
Synonyms
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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. †Diadochoceras Hyatt 1900
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†Diadochoceras hokodzense Mikhailova 1963
†Diadochoceras ilonense Collignon 1962
†Diadochoceras margariti Mikhailova 1963
†Diadochoceras nodosocostatiforme Shimizu 1931
†Diadochoceras nodosocostatum d'Orbigny 1841
†Diadochoceras spinosum Mikhailova 1963
Invalid names: Nodosohoplites [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 25.0 | |||||
| shell diameter | 1 | 68.0 | |||||
| shell inflation | 1 | 26.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Aptian to the top of the Early/Lower Albian or 125.00000 to 109.00000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aptian | Morocco (Western High Atlas) | Nodosohoplites proprius, Nodosohoplites obscurus, D. nodosocostatum (2071) | |
| Aptian | Georgia | D. sp. (2116) | |
| Late/Upper Aptian | Iran | D. sp. (197585) | |
| Late/Upper Aptian | Hungary | D. nodosocostatum, D. spinosum (226273) | |
| Late/Upper Aptian | Madagascar | D. ilonense (168090) | |
| Late/Upper Aptian | Venezuela (Sucre) | D. nodosocostatum (87923) | |
| Late/Upper Aptian | Japan (Nagano) | D. nodosocostatiforme (220845 220846 220850) | |
| Late/Upper Aptian | Russian Federation | D. sp. (65755) | |
| Early/Lower Aptian | France | D. haugi (58876) | |
| Early/Lower Albian | France | D. nodosocostatum (58379) |