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23 February 2021 Two new genera and two new species of troglobitic harvestmen of Stygnopsidae (Opiliones, Laniatores, Gonyleptoidea) from Oaxaca, Mexico, with notes on selected morphological characters
Jesús A. Cruz-López
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Abstract

Two monotypic and troglobitic genera of harvestmen are described from caves in Oaxaca, Mexico: The Karosinae Cruz-López & Francke, 2017Brujita chapulapa n. gen., n. sp. and the Stygnopsinae Sørensen, 1932 Toojah cimutaa n. gen., n. sp., both based on males only. Also, based on the examination of the male holotype of Hoplobunus planusGoodnight & Goodnight, 1973, the new combination is proposed: Mictlana plana (Goodnight & Goodnight, 1973) n. comb., proposing an emended diagnosis for MictlanaCruz-López & Francke, 2015, including an analysis of the dilemma of the position of the ocularium and observations on selected homoplastic characters. Finally, on the regard of troglobitic stygnopsids, a review of the exclusive morphological traits exhibit by some representatives of the family is addressed, discussing on the putative synapomorphies of each subfamily.

© Publications scientifiques du Muséum national d'Histoire naturelle, Paris.
Jesús A. Cruz-López "Two new genera and two new species of troglobitic harvestmen of Stygnopsidae (Opiliones, Laniatores, Gonyleptoidea) from Oaxaca, Mexico, with notes on selected morphological characters," Zoosystema 43(5), 101-112, (23 February 2021). https://doi.org/10.5252/zoosystema2021v43a5
Received: 18 November 2019; Accepted: 30 June 2020; Published: 23 February 2021
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KEYWORDS
caves
eyeless
frontal bulge
new combination
new genus
new species
ocularium
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