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Paracadoceras
Taxonomy
Paracadoceras was named as a genus. It is not extant.
It was reranked as Cadoceras (Paracadoceras) by Imlay (1953), Arthur et al. (1993).
It was assigned to Cadoceratinae by Arkell et al. (1957); to Cadoceras by Imlay (1953), Arthur et al. (1993); to Ammonoidea by Sepkoski (2002); and to Arctocephalitinae by Mitta (2016).
It was reranked as Cadoceras (Paracadoceras) by Imlay (1953), Arthur et al. (1993).
It was assigned to Cadoceratinae by Arkell et al. (1957); to Cadoceras by Imlay (1953), Arthur et al. (1993); to Ammonoidea by Sepkoski (2002); and to Arctocephalitinae by Mitta (2016).
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Cadoceras (Paracadoceras) Imlay p. 87 |
| 1957 | Paracadoceras Arkell et al. p. 302 |
| 1993 | Cadoceras (Paracadoceras) Arthur et al. p. 40 |
| 2002 | Paracadoceras Sepkoski |
| 2016 | Paracadoceras Mitta p. 360 |
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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. †Paracadoceras
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†Cadoceras (Paracadoceras) chisikense Imlay 1953
†Cadoceras (Paracadoceras) moffiti Imlay 1953
†Cadoceras (Paracadoceras) multiforme Imlay 1953
†Cadoceras (Paracadoceras) tonniense Imlay 1953
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 21.7 | 11.5 | 40.0 | 23.0 | 9.31 | |
| shell diameter | 9 | 53.2 | 28.0 | 92.0 | 57.0 | 22.5 | |
| shell inflation | 9 | 14.1 | 9.00 | 25.0 | 14.8 | 6.03 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Callovian or 165.30000 to 161.50000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bathonian - Callovian | Canada (British Columbia) | Cadoceras moffiti (37627) | |
| Callovian | USA (Alaska) | Cadoceras chisikense (158653) Cadoceras moffiti (158881) Cadoceras multiforme (158682) Cadoceras multiforme, Cadoceras tonniense (158665) Cadoceras tonniense (158696 158700 158701 158703 158705 158884 158885 158887) | |
| Early/Lower Callovian | Canada (British Columbia) | Cadoceras tonniense (185051) |