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TOMAGNOSTUS Howell, 1935. Tomagnostus perrugatus (Groenwall) (x9). M. Cambrian, lowest Paradoxides davidis beds, west side of Manuels River, Manuels, Newfoundland. (Loaned through courtesy of Mark Utlaut.)

Tomagnostus perrugatm (Groenwall), same origin as preceding plate (x5). (RLS coll., id.) This is a small portion of a large plate covered with the exuviae of this agnostid, abundant at the base of the P. davidis beds, infrequent at other depths.

Subfamily Glyptagnostinae Whitehouse, 1936

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