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Semipetasus
Taxonomy
Semipetasus was named by Sohn (1954) [Sepkoski's age data: P l P Leon]. Its type is Semipetasus signatus.
It was assigned to Kellettininae by Sohn (1954); to Kellettinidae by Benson et al. (1961); to Palaeocopida by Sepkoski (2002); and to Kirkbyidae by Fohrer (1997) and Mette (2010).
It was assigned to Kellettininae by Sohn (1954); to Kellettinidae by Benson et al. (1961); to Palaeocopida by Sepkoski (2002); and to Kirkbyidae by Fohrer (1997) and Mette (2010).
Species
S. datianensis, S. signatus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Semipetasus Sohn p. 16 |
| 1961 | Semipetasus Benson et al. p. Q167 |
| 1997 | Semipetasus Fohrer p. 117 |
| 2002 | Semipetasus Sepkoski |
| 2010 | Semipetasus Mette p. 17 |
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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. †Semipetasus Sohn 1954
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†Semipetasus datianensis Yi 2004
†Semipetasus signatus Sohn 1954
Diagnosis
No diagnoses are available