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Tiltoniceras antiquum
Taxonomy
Harpoceras antiquum was named by Wright (1882).
It was recombined as Tiltoniceras antiquum by Howarth (1992), Smith and Tipper (1996).
It was recombined as Tiltoniceras antiquum by Howarth (1992), Smith and Tipper (1996).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1882 | Harpoceras antiquum Wright |
| 1887 | Ammonites capillatus Denckmann p. 60 figs. Pl 1, fig 7; pl 4, fig 3 |
| 1893 | Harpoceras schroederi Denckmann p. 101 |
| 1966 | Ovaticeras facetum Repin p. 45 figs. Pl 1, figs 4,5,8 |
| 1992 | Tiltoniceras antiquum Howarth p. 70 figs. Pl 5, fig 3; pl 6, figs1-8; pl 7, figs 1-3,9; text-figs 13-15,18 |
| 1996 | Tiltoniceras antiquum Smith and Tipper p. 72 figs. Pl 30, figs 1-4; Txt fig 391-m |
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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.
†Tiltoniceras antiquum Wright 1882
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Invalid names: Ammonites capillatus Denckmann 1887 [synonym], Harpoceras schroederi Denckmann 1893 [synonym], Ovaticeras facetum Repin 1966 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| height | 1 | 17.0 | |||||
| diameter | 1 | 35.0 | |||||
| inflation | 1 | 7.00 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Collections (25 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Pliensbachian | Canada (British Columbia) | Tiltoniceras antiquum (200428 200432) | |
| Late/Upper Pliensbachian | USA (Nevada) | Tiltoniceras antiquum (208018) | |
| Pliensbachian | Canada (British Columbia) | Tiltoniceras antiquum (33278 33279 33280 33282 33283 33284) | |
| Spinatum | Canada (British Columbia) | Tiltoniceras antiquum (32814 32866 33277) | |
| Early/Lower Toarcian | United Kingdom (Yorkshire) | Tiltoniceras antiquum (219475) | |
| Early/Lower Toarcian | Canada (British Columbia) | Tiltoniceras antiquum (55659) | |
| Early/Lower Toarcian | USA (Nevada) | Tiltoniceras antiquum (208065 208067 208068) | |
| Falciferum | Germany | Tiltoniceras antiquum (228508) | |
| Tenuicostatum | Bulgaria | Tiltoniceras antiquum (150906) | |
| Tenuicostatum | Germany | Tiltoniceras antiquum (228507) | |
| Carlottense | Canada (Alberta) | Tiltoniceras antiquum (197684 197685) | |
| Carlottense | Canada (British Columbia) | Tiltoniceras antiquum (200278) | |
| Kanense | Canada (Alberta) | Tiltoniceras antiquum (198518) | |
| Kanense | Canada (British Columbia) | Tiltoniceras antiquum (32870) |