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Paracaloceras rursicostatum
Taxonomy
Paracaloceras rursicostatum was named by Frebold (1967). Its type specimen is GSC 19944, a shell, and it is a 3D body fossil.
It was recombined as Metophioceras rursicostatum by Taylor (2000), Taylor and Guex (2002).
It was recombined as Metophioceras rursicostatum by Taylor (2000), Taylor and Guex (2002).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Paracaloceras rursicostatum Frebold p. 26 figs. Pl 7, figs 1,2; pl 9, fig 1 |
| 1995 | Paracaloceras rursicostatum Guex p. 54 figs. Pl 32, fig 1 |
| 2000 | Metophioceras rursicostatum Taylor figs. Pl 4, figs 1,2,9 |
| 2002 | Metophioceras rursicostatum Taylor and Guex figs. Pl 2, fig 8 |
| 2008 | Paracaloceras rursicostatum Longridge et al. |
| 2008 | Paracaloceras rursicostatum Longridge et al. p. 391 figs. Pl 2, figs 19,21,22; text-figs 9U,10I |
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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.
†Paracaloceras rursicostatum Frebold 1967
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 10.0 | 6.30 | 19.1 | 9.55 | 5.91 | |
| shell diameter | 4 | 51.0 | 28.6 | 111.0 | 48.2 | 37.7 | |
| shell inflation | 4 | 31.9 | 16.1 | 73.5 | 30.9 | 25.8 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Collections (34 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Angulata | Canada (British Columbia) | Paracaloceras rursicostatum (84738 84767 84769 84783 84784 84786 157359 157360 157361 157363 157365 157366 157368 157371 157372 157374 157378 157379 157380 157381 157385 157392 157393) | |
| Angulata | Argentina (Mendoza) | Vermiceras rursicostatum (42767) | |
| Angulata | USA (Nevada) | Metophioceras rursicostatum (42876) Paracaloceras rursicostatum (188656) | |
| Angulata | USA (Alaska) | Paracaloceras rursicostatum (68723) | |
| Late/Upper Hettangian | Mexico (Sonora) | Paracaloceras rursicostatum (208236) | |
| Late/Upper Hettangian | Canada (British Columbia) | Metophioceras rursicostatum (53361) Paracaloceras rursicostatum (53363) | |
| Bucklandi | USA (Oregon) | Metophioceras rursicostatum (157630) | |
| Early/Lower Sinemurian | Chile | Coroniceras rursicostatum (209362) | |
| Sinemurian | Canada (British Columbia) | Metophioceras rursicostatum (4884 53625) |