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Dikelocephalites
Taxonomy
Dikelocephalites was named by Sun (1935) [Sepkoski's age data: Cm Fran-u Sepkoski's reference number: 464]. It is not extant. Its type is Dikelocephalites flabelliformis.
It was assigned to Pterocephaliidae by Zhang et al. (1995); and to Asaphida by Sepkoski (2002).
It was assigned to Pterocephaliidae by Zhang et al. (1995); and to Asaphida by Sepkoski (2002).
Species
D. flabelliformis (type species), D. gongxianensis
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Dikelocephalites Sun |
| 1995 | Dikelocephalites Zhang et al. |
| 2002 | Dikelocephalites 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. †Dikelocephalites Sun 1935
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†Dikelocephalites flabelliformis Sun 1935
†Dikelocephalites gongxianensis Meng 1977
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: Taoyuanian or 498.50000 to 485.40000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Taoyuanian | South Korea | D. flabelliformis (133451 133452 133453 133456) | |
| Taoyuanian | China (Henan) | D. flabelliformis (129216) D. gongxianensis (129023 129135) |