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Calycoceras (Newboldiceras)
Taxonomy
Calycoceras (Newboldiceras) was named by Thomel (1972) [Sepkoski's age data: K Ceno-m]. Its type is Acanthoceras newboldi.
It was reranked as Newboldiceras by Sepkoski (2002).
It was assigned to Ammonoidea by Sepkoski (2002); and to Calycoceras by Matsumoto and Skwarko (1991), Matsumoto and Skwarko (1993), Kennedy (1994), Wright et al. (1996), Kennedy et al. (1996), Kennedy and Jolkicev (2004), Ahmad et al. (2013) and Gale et al. (2018).
It was reranked as Newboldiceras by Sepkoski (2002).
It was assigned to Ammonoidea by Sepkoski (2002); and to Calycoceras by Matsumoto and Skwarko (1991), Matsumoto and Skwarko (1993), Kennedy (1994), Wright et al. (1996), Kennedy et al. (1996), Kennedy and Jolkicev (2004), Ahmad et al. (2013) and Gale et al. (2018).
Subtaxa
Calycoceras (Newboldiceras) annulatum, Calycoceras (Newboldiceras) asiaticum (syn. Calycoceras (Newboldiceras) newboldi), Calycoceras (Newboldiceras) hippocastanum (syn. Lotzeites crassum), Calycoceras (Newboldiceras) mourrei, Calycoceras (Newboldiceras) orientale, Calycoceras (Newboldiceras) planecostatum, Calycoceras (Newboldiceras) tapara
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Acanthoceras (Pseudacanthoceras) Thomel |
| 1972 | Calycoceras (Newboldiceras) Thomel |
| 1972 | Newboldiceras (Newboldiceras) Thomel p. 105 |
| 1972 | Newboldiceras (Mourreiceras) Thomel p. 118 |
| 1972 | Acanthoceras (Pseudacanthoceras) Thomel p. 153 |
| 1982 | Acanthoceras (Pseudacanthoceras) Renz p. 69 |
| 1991 | Calycoceras (Newboldiceras) Matsumoto and Skwarko p. 252 |
| 1993 | Calycoceras (Newboldiceras) Matsumoto and Skwarko p. 423 |
| 1994 | Calycoceras (Newboldiceras) Kennedy p. 227 |
| 1996 | Calycoceras (Newboldiceras) Kennedy et al. p. 314 |
| 1996 | Calycoceras (Newboldiceras) Wright et al. p. 164 |
| 2002 | Newboldiceras Sepkoski |
| 2004 | Calycoceras (Newboldiceras) Kennedy and Jolkicev p. 375 |
| 2013 | Calycoceras (Newboldiceras) Ahmad et al. p. 27 |
| 2018 | Calycoceras (Newboldiceras) Gale et al. p. 116 |
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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.
Subg. †Calycoceras (Newboldiceras) Thomel 1972
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†Calycoceras (Newboldiceras) annulatum Collignon 1964
†Calycoceras (Newboldiceras) asiaticum Jimbo 1894
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Invalid names: Calycoceras (Newboldiceras) newboldi Kossmat 1897 [synonym]
†Calycoceras (Newboldiceras) asiaticum spinosum Kossmat 1897
†Calycoceras (Newboldiceras) hippocastanum Sowerby 1826
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Invalid names: Lotzeites crassum Thomel 1965 [synonym]
†Calycoceras (Newboldiceras) mourrei Thomel 1972
†Calycoceras (Newboldiceras) orientale Matsumoto et al. 1957
†Calycoceras (Newboldiceras) planecostatum Kossmat 1897
†Calycoceras (Newboldiceras) tapara Wright 1963
Invalid names: Acanthoceras (Pseudacanthoceras) Thomel 1972 [synonym], Newboldiceras (Mourreiceras) Thomel 1972 [synonym], Newboldiceras (Newboldiceras) Thomel 1972 [objective synonym]
Diagnosis
No diagnoses are available