| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
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), 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), 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), 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), 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