Abstract
Based on the recently published total evidence phylogeny of the family Stygnopsidae, the genus ParamitracerasPickard-Cambridge, 1905 was recovered as polyphyletic. As part of the revision of this polyphyletic genus, the Neotropical genus PanzosusRoewer, 1949 stat. rev. is resurrected from its synonymy under Paramitraceras. Panzosus is rediagnosed, the type species Panzosus hispidulus (Pickard-Cambridge, 1905) comb. rest. and the species Panzosus femoralis (Goodnight & Goodnight, 1953) comb. nov. are redescribed. Also, the following new species are described: Panzosus comayagua sp. nov., Panzosus cusuco sp. nov., Panzosus giribeti sp. nov., Panzosus marginalis sp. nov. and Panzosus roeweri sp. nov. An identification key for the species of Panzosus is provided, and a discussion of new morphological characters used for the recognition of the related genera Paramitraceras, PhiloraGoodnight & Goodnight, 1954 and SbordoniaŠilhavý, 1977.
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