PLATE

BALTAGNOSTUS Lochman, 1944. Baltagnostus euryppyx Robison (x23). Wheeler Shale, M. Cambrian, Antelope Springs, Millard County, Utah. (Collected by Afton Fawcett. RLS coll., id., now at FMNH.) Note posterolateral marginal spines on pygidium.

PERONOPSIS Corda, 1847. Peronopsis interstricta (White) (x21). Wheeler Shale, M. Cambrian, Antelope Springs, Millard County, Utah. (RLS coll., id., now at FMNH.) A much enlarged view, printed from a color slide.

Peronopsis interstricta (White) (x6.3). Same origin as preceding plate. (Collected by Afton Fawcett. RLS coll., id., now at FMNH.) Assemblage of many individuals.

Family Diplagnostidae Whitehouse, 1936

Subfamily Diplagnostinae Whitehouse, 1936

0 0

Post a comment