Taeniacanthus lagocephali Pearse from Lagocephalus laevigatus (Linnaeus), and Taeniacanthodes gracilis Wilson from Paralichthys sp., are redescribed on the basis of the type-specimens in the collection of the U. S. National Museum. Taeniacanthus sabafugu
Yamaguti & Yamasu is synonymized with T. lagocephali, and Taeniacanthodes gunteri Causey is suggested as probably conspecific with T. gracilis. Scolecicara humesi, a new genus and species, is described from three female specimens taken from the gill filaments of Porichthys
porosissimus (Cuvier & Valenciennes). The genus lrodes Wilson should be abandoned and its species transferred to other taeniacanthid genera.
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