Magnispina, Mendes, 2011, Mendes, 2011

Mendes, Amanda Cruz, 2011, Phylogeny and taxonomic revision of Heteropachylinae (Opiliones: Laniatores: Gonyleptidae), Zoological Journal of the Linnean Society 163 (2), pp. 437-483: 448

publication ID 10.1111/j.1096-3642.2011.00706.x


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Distribution: BRAZIL. Espírito Santo and Bahia. WWF Ecoregion NT0103, Bahia coastal forests.

Type species: Magnispina neptunus   gen. et sp. nov., here designated.

Etymology: Genus name comes from the Latin magnus (large) + spina (thorn) in reference to the large median apophysis of free tergite II. Gender feminine.

Diagnosis: Three mesotergal areas; mesotergal area III with a pair of tubercles ( Fig. 3A View Figure 3 ). Median apophysis of free tergite II robust and spiniform ( Fig. 3A, B, E, F View Figure 3 ), at least twice the tergite length, tergite bearing a stout spiniform apophysis on each corner; free tergite III without a longitudinal keel, with posterior border convex and unarmed corners ( Fig. 3A View Figure 3 ). Dorsal anal operculum with rounded tubercles ( Fig. 3F View Figure 3 ). Ventral anal operculum with pair of tubercles irregularly shaped ( Fig. 3F View Figure 3 ). Calcaneus I same colour as the astragalus and less than half metatarsus I length. Femur IV distinctly curved in dorsal view and with two curvatures (‘S-shaped’) in lateral view, bearing a large dorsobasal apophysis and a row of elongate, rounded tubercles on the prolateral margin, larger in the middle of the row ( Fig. 4 View Figure 4 ). Male genitalia. Most basal seta of the distal group of setae larger than the others; dorsal digitiform process of glans present ( Fig. 12A, B View Figure 12 ).