| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Vermiceras (Gyrophioceras)
Taxonomy
Gyrophioceras was named by Spath (1924). Its type is Arietites praespiratissimus.
It was reranked as Paracaloceras (Gyrophioceras) by Taylor (1998); it was reranked as Vermiceras (Gyrophioceras) by Spath (1924), Bloos (1994), Howarth (2013).
It was assigned to Paracaloceras by Taylor (1998); to Arietitinae by Longridge et al. (2008); to Arietitidae by Longridge et al. (2008); and to Vermiceras by Spath (1924), Bloos (1994), Howarth (2013).
It was reranked as Paracaloceras (Gyrophioceras) by Taylor (1998); it was reranked as Vermiceras (Gyrophioceras) by Spath (1924), Bloos (1994), Howarth (2013).
It was assigned to Paracaloceras by Taylor (1998); to Arietitinae by Longridge et al. (2008); to Arietitidae by Longridge et al. (2008); and to Vermiceras by Spath (1924), Bloos (1994), Howarth (2013).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Vermiceras (Gyrophioceras) Spath |
| 1924 | Gyrophioceras Spath p. 201 |
| 1994 | Vermiceras (Gyrophioceras) Bloos p. 10 |
| 1998 | Paracaloceras (Gyrophioceras) Taylor p. 490 |
| 2008 | Gyrophioceras Longridge et al. |
| 2008 | Gyrophioceras Longridge et al. p. 390 |
| 2013 | Vermiceras (Gyrophioceras) Howarth p. 16 |
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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. †Vermiceras (Gyrophioceras) Spath 1924
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†Gyrophioceras mineralense Taylor 1998
†Gyrophioceras morganense Taylor 1998
†Gyrophioceras praespiratissimum Wahner 1887
†Gyrophioceras praespiratissimus Wahner 1887
†Gyrophioceras supraspiratum Wahner 1888
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 4 | 11.4 | 10.2 | 13.0 | 11.3 | 1.46 | |
| diameter | 4 | 60.7 | 53.0 | 69.5 | 60.8 | 6.77 | |
| inflation | 4 | 38.2 | 34.5 | 50.3 | 35.0 | 7.74 | |
| shell height | 2 | 8.79 | 7.50 | 10.3 | 8.90 | 1.98 | |
| shell diameter | 2 | 40.5 | 34.3 | 47.8 | 41.0 | 9.55 | |
| shell inflation | 2 | 24.9 | 20.6 | 30.1 | 25.4 | 6.72 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Hettangian or 201.40000 to 199.50000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Angulata | Canada (British Columbia) | Gyrophioceras mineralense (157385) Gyrophioceras morganense (84812) Gyrophioceras supraspiratum (84738 84739 84746) | |
| Angulata | Austria | Arietites praespiratissimus (189262) Arietites supraspiratus (189265) Vermiceras praespiratissimum, Vermiceras supraspiratum (189263) Vermiceras supraspiratum (189264) | |
| Angulata | USA (Oregon) | Gyrophioceras morganense (157626 157627) Paracaloceras mineralense (157506) Paracaloceras morganense (157507) | |
| Angulata | USA (Nevada) | Paracaloceras mineralense (157511) | |
| Late/Upper Hettangian | Italy (L'Aquila) | Gyrophioceras sp. (196795) | |
| Liasicus | Austria | Vermiceras praespiratissimum (189261) | |
| Liasicus | Canada (British Columbia) | Gyrophioceras praespiratissimum (84919) |