Three new species and a new genus of majoid crabs from the eastern Pacific (Decapoda, Brachyura) Author Colavite, Jessica Author Windsor, Amanda Author Santana, William text ZooKeys 2019 825 1 24 http://dx.doi.org/10.3897/zookeys.825.32271 journal article http://dx.doi.org/10.3897/zookeys.825.32271 1313-2970-825-1 38503135C9714A5A99FBE9CB8814AF1D 38503135C9714A5A99FBE9CB8814AF1D Nibilia A Milne-Edwards, 1878 Nibilia A Milne-Edwards, 1878: 132, pl. 25. [Type taxon: Nibilia erinacea A Milne-Edwards, 1878 accepted as Nibilia antilocapra (Stimpson, 1871) by monotypy]. Included species. Nibilia antilocapra (Stimpson, 1871) (= Pisa praelonga Stimpson, 1871; = Nibilia erinacea A Milne-Edwards, 1878 subjective junior synonyms); Nibilia machala sp. n. Emended diagnosis. Carapace densely covered with several long and short spines and acute tubercles. Rostrum bifurcated, proximally contiguous, becoming moderately divergent distally. Preorbital angles prolonged into long spines; postorbital margin cup-shaped, with small medial spine on anterior margin protecting eyes when retracted. Fissure between antennal basal article and postorbital margin closed. Basal article of antenna elongated with two strong spines in outer margin. Exopod of third maxilliped with small process in dorsal face extending into posterolateral margin of merus; ventral margin with strong spine in distal third; ischium dorsal face with longitudinal, smooth, deep "L" shaped groove. G1 with three well-developed lobes.