Trilobita

Pseudosphaerexochus (Pseudosphaerexochus) ravni Olin, 1906

Synonymy list
1906     Pseudosphaerexochus ravni n. sp. — Olin, pp. 48, fig. 1:14
1991     Pseudosphaerexochus (Pseudosphaerexochus) ravni Olin, 1906 — Kielan-Jaworowska et al., pp. 231, fig. 9J
Selection of related publications
Kielan-Jaworowska, Z., Bergström, J. Ahlberg, P. 1991. Cheirurina (trilobita) from the Upper Ordovician of Västergötland and other regions of Sweden. GFF 113, 2-3, 219-244. DOI:10.1080/11035899109453857
References based on distribution