Sphaerexochus hiratai Kobayashi and Hamada 1974 (trilobite)

Trilobita - Phacopida - Cheiruridae

Full reference: T. Kobayashi and T. Hamada. 1974. Silurian trilobites of Japan in comparison with Asian, Pacific and other faunas. Palaeontological Society of Japan Special Papers 18:1-155

Belongs to Sphaerexochus according to C. R. Congreve and B. S. Lieberman 2011

See also Kobayashi and Hamada 1964

Sister taxa: Sphaerexochus arenosis, Sphaerexochus arenosus, Sphaerexochus atacius, Sphaerexochus brandlyi, Sphaerexochus bridgei, Sphaerexochus britanicus, Sphaerexochus calvus, Sphaerexochus dimorphus, Sphaerexochus eurys, Sphaerexochus fibrisulcatus, Sphaerexochus glaber, Sphaerexochus hapsidotus, Sphaerexochus hisingeri, Sphaerexochus johnstoni, Sphaerexochus laciniatus, Sphaerexochus latifrons, Sphaerexochus molongloensis, Sphaerexochus parvus, Sphaerexochus planirachis, Sphaerexochus pulcher, Sphaerexochus romingeri, Sphaerexochus scabridus, Sphaerexochus tuberculatus, Sphaerexochus valcourensis

Type specimen: KPFM 1167-1, a cephalon/head (cranidium). Its type locality is Gomi Quarry, which is in a Ludlow reef, buildup or bioherm reef rocks in the Yokokura Formation of Japan.

Ecology: fast-moving low-level epifaunal carnivore


• Silurian of Japan (2 collections)

Total: 2 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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