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Protereisma permianum
Taxonomy
Protereisma permianum was named by Sellards (1907). It is an impression. Its type locality is Elmo, Sellards collection, which is in an Artinskian pond limestone in the Wellington Formation of Kansas.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Scopus gracilis Sellards |
| 1907 | Protereisma minus Sellards p. 348 fig. 9 |
| 1907 | Protereisma permianum Sellards p. 348 fig. 3 |
| 1907 | Prodromus rectus Sellards p. 349 fig. 10 |
| 1907 | Protechma acuminatum Sellards p. 349 fig. 8 |
| 1907 | Scopus gracilis Sellards p. 352 fig. 12 |
| 1922 | Prodromus rectus Handlirsch p. 60 |
| 1922 | Protechma acuminatum Handlirsch p. 60 |
| 1922 | Protereisma minus Handlirsch p. 60 |
| 1922 | Protereisma permianum Handlirsch p. 60 |
| 1922 | Mecus gracilis Handlirsch p. 61 |
| 1932 | Protereisma permianum Tillyard p. 247 fig. 5,14 |
| 1932 | Protereisma gracile Tillyard p. 252 fig. 15 |
| 1932 | Protereisma minus Tillyard p. 254 |
| 1938 | Protereisma permianum Martynov p. 34 fig. 11 |
| 2007 | Protereisma permianum Willmann p. 115 fig. 5 |
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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.
†Protereisma permianum Sellards 1907
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Invalid names: Prodromus rectus Sellards 1907 [synonym], Protechma acuminatum Sellards 1907 [synonym], Protereisma gracile Sellards 1907 [synonym], Protereisma minus Sellards 1907 [synonym]
Diagnosis
No diagnoses are available