Lucascinus Poore, Guinot, Komai & Naruse 2016

Genus LUCASCINUS Poore, Guinot, Komai, and Naruse, 2016 Type species. Halicarcinus bedfordi Montgomery, 1931, by original designation. Remarks. Poore et al. (2016) erected a genus Lucascinus and transferred to it three species: Lucascinus bedfordi (Montgomery, 1931) (originally as Halicarcinus); Lucascinus coralicola (Rathbun, 1909) (originally as Rhynchoplax) and Lucascinus keijibabai (Takeda and Miyake, 1971) (originally as Rhynchoplax). The species within Lucascinus differ from Rhynchoplax mostly by possessing a male pleon with free somites 1-5, plus telson, and additionally from Halicarcinus by their elongated chelipeds and triangular plate-like rostrum (Poore et al., 2016).