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Dall, 1900

Biconvex to strangulate to oppositely multiplicate, smooth or more commonly multiplicate, punctae rather coarse; beak fairly short, subtruncate; foramen large, submesothyridid but almost hypothyridid; deltidial plates small; pedicle collar well developed, supported by median septum. Cardinal process forming transversely elongate, subrectangular boss that projects slightly behind posterior margin, buttressed by median septum; crura widely separate, short; loop relatively long, formed of 2 descending branches, anteriorly converging to join end of median septum; lophophore large, schizolophous.

Source: Moore, 1965.

The following species that belong to this genus occurs in this region:

Argyrotheca cistellula

Genus Argyrotheca