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Calocephalites
Taxonomy
Calocephalites was named by Kurtz (1975) [Sepkoski's age data: Cm Fran-l]. It is not extant.
It was assigned to Dokimocephalidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Dokimocephalidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1975 | Calocephalites Kurtz |
2002 | Calocephalites Jell and Adrain p. 354 |
2002 | Calocephalites 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. †Calocephalites Kurtz 1975
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Aberhan et al. 2004, Whittington et al. 1997 |
Age range: Franconian or 501.00000 to 485.40000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Dresbachian | Canada (Yukon) | C. declivis (55232) | |
Franconian | USA (Missouri) | C. vulgaris (9192) C. vulgaris, C. minimus (9194) | |
Franconian | USA (Indiana) | C. sp. (245) |