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Illaenoides abnormis
Taxonomy
Illaenoides abnormis was named by Kobayashi and Hamada (1986) [questionably assigned to genus]. Its type specimen is PA 18076, a pygidium, and it is a 3D body fossil. Its type locality is new trilobite collection, Gomi Quarry, which is in a Ludlow reef, buildup or bioherm reef rocks/shale in the Fukata Formation of Japan.