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Stikinoceras
Taxonomy
Stikinoceras was named by McLearn (1930) [Sepkoski's age data: Tr Nori-l Sepkoski's reference number: 302]. It is not extant. Its type is Stikinoceras kerri.
It was assigned to Tibetitidae by Spath (1951); to Thisbitidae by Tozer (1981) and Tozer (1994); and to Ceratitida by Sepkoski (2002).
It was assigned to Tibetitidae by Spath (1951); to Thisbitidae by Tozer (1981) and Tozer (1994); and to Ceratitida by Sepkoski (2002).
Species
S. kerri (syn. S. robustum) (type species)
Synonymy list
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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. †Stikinoceras McLearn 1930
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell diameter | 5 | 27.9 | 17.9 | 42.2 | 27.1 | 8.89 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kaihikuan | USA (Nevada) | S. kerri (174405 174406 174408) | |
| Norian | USA (Nevada) | S. kerri (174404 174417 174419) | |
| Lacian | Canada (British Columbia) | S. kerri (46570 46627 137090 137092 137111 137975 137991 137992 137995 138592 141655 141656 141658 141675 141690 141691 141717 141718 141738) S. kerri, S. robustum (137056) | |
| Lacian | Iran | S. kerri (150600 150601) |