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Sulcocephalus
Taxonomy
Sulcocephalus was named by Wilson (1948) [Sepkoski's age data: Cm Fran-l Cm Fran-u Sepkoski's reference number: 488,697]. It is not extant.
It was assigned to Ptychopariida by Sepkoski (2002); and to Dokimocephalidae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Dokimocephalidae by Jell and Adrain (2002).
Species
Synonymy list
Year | Name and author |
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1948 | Sulcocephalus Wilson |
2002 | Sulcocephalus Jell and Adrain p. 449 |
2002 | Sulcocephalus 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. †Sulcocephalus Wilson 1948
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Whittington et al. 1997, Aberhan et al. 2004 |
Collections (16 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Steptoean | Canada (Alberta) | S. sp. (54076) | |
Steptoean | USA (Pennsylvania) | S. candidus (9265 156661 156662) S. granulosus (156635 156643 156674 156675) | |
Steptoean - Sunwaptan | Canada (Newfoundland) | S. sp. (196020) | |
Franconian | USA (Missouri) | S. candidus (9145) | |
Franconian | USA (Montana) | S. sp. (242) | |
Franconian - Dolgellian | USA (Missouri) | S. candidus (9586) | |
Furongian | USA (Texas) | S. benesulcatus (156337) | |
Sunwaptan | Canada (Alberta) | S. candida (54084) S. candidus (54077) | |
Dolgellian | USA (Pennsylvania) | S. granulosus (62090) |