Trilobita - Phacopida - Cheiruridae
Synonym: Calymene clavifrons Hisinger 1840
Full reference: E. Warburg. 1925. The Trilobites of the Leptæna Limestone in Dalarne. Leptæna Limestone Trilobites 1-446
Belongs to Sphaerexochus according to E. Warburg 1925
Sister taxa: Sphaerexochus arenosis, Sphaerexochus arenosus, Sphaerexochus atacius, Sphaerexochus brandlyi, Sphaerexochus bridgei, Sphaerexochus britanicus, Sphaerexochus calvus, Sphaerexochus desertus, Sphaerexochus dimorphus, Sphaerexochus discrepans, Sphaerexochus eurys, Sphaerexochus fibrisulcatus, Sphaerexochus glaber, Sphaerexochus hapsidotus, Sphaerexochus hiratai, Sphaerexochus johnstoni, Sphaerexochus laciniatus, Sphaerexochus latifrons, Sphaerexochus molongloensis, Sphaerexochus parvus, Sphaerexochus planirachis, Sphaerexochus pulcher, Sphaerexochus romingeri, Sphaerexochus scabridus, Sphaerexochus tuberculatus, Sphaerexochus valcourensis, Sphaerometopus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of Kazakhstan (2 collections), Sweden (3)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.