Trilobita - Corynexochida - Dolichometopidae

Alternative combinations: Bathyuriscus howelli, Clavaspidella howelli

Full reference: C. D. Walcott. 1886. Second contribution to the studies on the Cambrian faunas of North America. United States Geological Survey Bulletin 30:1-365

Belongs to Athabaskia according to A. R. Palmer 1954

See also Mason 1935, Resser 1935, Walcott 1886 and Walcott 1916

Sister taxa: Athabaskia anax, Athabaskia bela, Athabaskia glacialis, Athabaskia gladei, Athabaskia minor, Athabaskia ostheimeri

Ecology: nektobenthic carnivore

Distribution: found only at Marble Mountains, near Cadiz (coll. Bradley and Mason 1934) ( of California)

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Specimen images are retrieved through the ePANDDA API.