Echinoidea - Clypeasteroida - Echinarachniidae

Alternative combinations: Echinarachnius blancoensis, Scutella blancoensis

Full reference: W. S. W. Kew. 1920. Cretaceous And Cenozoic Echinoidea of the Pacific coast of North America. University Of California Publications Bulletin of the Department of Geology 23-236

Belongs to Kewia according to R. A. Linder et al. 1988

See also Etherington 1931, Grant and Hertlein 1938, Kew 1920 and Weaver 1942

Sister taxa: Kewia fairbanksi, Kewia kannoi, Kewia kehoei, Kewia lituyaensis, Kewia marquamensis, Kewia tachilniensis

Subtaxa: Echinarachnius blancoensis etheringtoni

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Ecology: slow-moving semi-infaunal detritivore

Distribution: found only at Cape Blanco (Oligocene of Oregon)

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Specimen images are retrieved through the ePANDDA API.