Pseudosphaerexochus (Pseudosphaerexochus) hemicranium
Alternative combinations: Cheirurus (Pseudosphaerexochus) hemicranium, Pseudosphaerexochus hemicranium, Sphaerexochus hemicranium
Full reference: S. Kutorga. 1854. Einige Sphaerexochus und Cheirurus aus den silurischen Kalksteinschichten des Gov. St. Petersburg. Verhandlungen der Kaiserlichen Gesellschaft für die Gesammte Mineralogie zu St. Petersburg 13:105-126
Belongs to Pseudosphaerexochus (Pseudosphaerexochus) according to Z. Kielan-Jaworowska et al. 1991
See also Jell and Adrain 2002, Owen 1981, Owen and Bruton 1980 and Schmidt 1881
Sister taxa: none
Distribution:
• Uhaku of the Russian Federation (2 collections)
• Ordovician of Estonia (2)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.