| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
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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†Calycoceras (Newboldiceras) asiaticum spinosum Kossmat 1897
Invalid names: Calycoceras (Newboldiceras) newboldi Kossmat 1897 [synonym]
†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
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 62.6 | 25.0 | 123.0 | 80.0 | 33.6 | |
| shell diameter | 8 | 168.5 | 75.0 | 390.0 | 193.0 | 99.4 | |
| shell inflation | 8 | 57.4 | 17.0 | 180.0 | 68.0 | 49.3 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Early/Lower Cenomanian to the top of the Early/Lower Turonian or 99.60000 to 89.30000 Ma
Collections (42 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | Japan | Calycoceras orientale (87006) | |
| Cenomanian | France | Calycoceras crassum (230798) Calycoceras planecostatum (4065) | |
| Cenomanian | Antarctica | Newboldiceras sp. (83367) | |
| Cenomanian | India | Calycoceras asiaticum (217149 217155 217158) | |
| Early/Lower Cenomanian | Canada (British Columbia) | Calycoceras asiaticum, Calycoceras orientale (87692) | |
| Early/Lower Cenomanian | Mozambique | Calycoceras newboldi (174829) | |
| Early/Lower Cenomanian - Middle Cenomanian | France | Calycoceras newboldi (230858) | |
| Late/Upper Cenomanian | France (Normandy) | Acanthoceras hippocastanum (4022) | |
| Late/Upper Cenomanian | Jordan | Calycoceras asiaticum (178485) | |
| Late/Upper Cenomanian | United Kingdom (England) | Calycoceras newboldi (82899) | |
| Late/Upper Cenomanian | France | Calycoceras asiaticum (4064) Calycoceras asiaticum, Calycoceras planecostatum (82845) Calycoceras crassum (230895) | |
| Late/Upper Cenomanian | USA (California) | Calycoceras newboldi (158105) | |
| Late/Upper Cenomanian | Spain (Cantabria) | Calycoceras hippocastanum (231778) | |
| Middle Cenomanian | United Kingdom | Calycoceras asiaticum (193276) | |
| Middle Cenomanian | Nigeria | Calycoceras annulatum (69527) | |
| Middle Cenomanian | France | Calycoceras asiaticum (82843) | |
| Middle Cenomanian | Australia (Northern Territory) | Acanthoceras tapara (13944 13946) | |
| Middle Cenomanian | USA (California) | Calycoceras orientale (225832) | |
| Middle Cenomanian | Papua New Guinea | Calycoceras annulatum, Calycoceras orientale (177072) Calycoceras asiaticum (174851 174852) Calycoceras newboldi (177071) | |
| Middle Cenomanian | Tunisia (Sidi Bou Zid) | Calycoceras vergonsense, Calycoceras asiaticum, Newboldiceras spinosum (217162) | |
| Middle Cenomanian | Bulgaria | Calycoceras asiaticum (174926 174927 174929 174934 174937 174938 174940 174942) Calycoceras asiaticum, Calycoceras planecostatum (174935) Calycoceras planecostatum (174944) | |
| Middle Cenomanian - Late/Upper Cenomanian | Antarctica | Newboldiceras sp. (106266) | |
| Late/Upper Cenomanian - Early/Lower Turonian | Jordan | Calycoceras newboldi (140950) | |
| Early/Lower Turonian | France | Acanthoceras newboldi (82852) |