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Cheirurus (Pseudosphaerexochus)
Taxonomy
Cheirurus (Pseudosphaerexochus) was named by Schmidt (1881).
It was reranked as Pseudosphaerexochus by Nikolaisen (1965), Owen and Bruton (1980), Owen (1981), Kielan-Jaworowska et al. (1991), Jell and Adrain (2002), Sepkoski (2002) and Gapp et al. (2012).
It was assigned to Cheirurus by Schmidt (1881); to Cyrtometopinae by Nikolaisen (1965); to Eccoptochilinae by Owen and Bruton (1980), Owen (1981) and Kielan-Jaworowska et al. (1991); to Cheiruridae by Jell and Adrain (2002); to Phacopida by Sepkoski (2002); and to Sphaerexochinae by Gapp et al. (2012).
It was reranked as Pseudosphaerexochus by Nikolaisen (1965), Owen and Bruton (1980), Owen (1981), Kielan-Jaworowska et al. (1991), Jell and Adrain (2002), Sepkoski (2002) and Gapp et al. (2012).
It was assigned to Cheirurus by Schmidt (1881); to Cyrtometopinae by Nikolaisen (1965); to Eccoptochilinae by Owen and Bruton (1980), Owen (1981) and Kielan-Jaworowska et al. (1991); to Cheiruridae by Jell and Adrain (2002); to Phacopida by Sepkoski (2002); and to Sphaerexochinae by Gapp et al. (2012).
Species lacking formal opinion data
Synonyms
Synonymy list
| Year | Name and author |
|---|---|
| 1881 | Cheirurus (Pseudosphaerexochus) Schmidt p. 130 |
| 1965 | Pseudosphaerexochus Nikolaisen |
| 1971 | Skelipyx Lane |
| 1973 | Parasphaerexochus Chugaeva |
| 1980 | Pseudosphaerexochus Owen and Bruton |
| 1981 | Pseudosphaerexochus Owen |
| 1991 | Pseudosphaerexochus Kielan-Jaworowska et al. |
| 1997 | Mayopyge Adrain and Fortey p. 95 |
| 2002 | Parasphaerexochus Jell and Adrain p. 422 |
| 2002 | Pseudosphaerexochus Jell and Adrain p. 435 |
| 2002 | Skelipyx Jell and Adrain p. 446 |
| 2002 | Pseudosphaerexochus Sepkoski |
| 2012 | Pseudosphaerexochus Gapp et al. p. e49115 |
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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.
Subg. †Cheirurus (Pseudosphaerexochus) Schmidt 1881
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Hendy 2009, Harrington et al. 1959, Aberhan et al. 2004 | |||||
Collections
No collection or age range data are available