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Columenoceras
Taxonomy
Columenoceras was named by Barskov (1960) [Sepkoski's age data: S Wenl-u D Eife-l Sepkoski's reference number: 524].
It was assigned to Geisonoceratidae by Teichert et al. (1964); and to Orthocerida by Sepkoski (2002).
It was assigned to Geisonoceratidae by Teichert et al. (1964); and to Orthocerida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1960 | Columenoceras Barskov |
1964 | Columenoceras Teichert et al. p. 237 |
2002 | Columenoceras Sepkoski |
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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. †Columenoceras Barskov 1960
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class | |||||
Reference: Kiessling 2004 |
Age range: base of the Llandovery to the top of the Pridoli or 443.40000 to 419.20000 Ma
Collections (12 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Llandovery | China (Xizang) | C. priscum (27839) | |
Sheinwoodian | Italy (Sardinia) | C. grande (26166) | |
Wenlock - Ludlow | Italy (Sardinia) | C. sp. (26158) | |
Wenlock - Pridoli | Italy (Sardinia) | C. grande, C. columen, C. agassizi, C. degener, C. intermixtum (26163) | |
Homerian - Gorstian | Italy (Sardinia) | C. grande (26177) C. intermixtum (26167) | |
Gorstian | Italy (Sardinia) | C. agassizi (26168 26178) | |
Gorstian - Ludfordian | Italy (Sardinia) | C. agassizi (26181) | |
Ludfordian | Italy | C. sp. (26127) | |
Pridoli | Italy (Sardinia) | C. degener, C. intermixtum (26173) C. intermixtum, C. degener (26170) |