Genus Phylladiorhynchus Baba, 1969

Phylladiorhynchus Baba, 1969: 3 .— Baba, 2005: 200.— Baba et al., 2008: 175.— Baba et al., 2009: 286.— Macpherson & Baba, 2011: 55.

Type s pecie s. Galathea pusilla Henderson, 1885, by original designation.

Diagnosis. Carapace dorsally with distinct transverse striae; epigastric spines usually present; lateral margin spinose. Rostrum triangular, with well-developed supraocular basal spine and usually with small subapical spine on each side. Lateral orbital spine present. Sternite 3 posterior margin entirely contiguous with sternite 4. Telson subdivision incomplete. Eyes movable; cornea as wide as peduncle, not dilated. Antennular article 1 with 5 (rarely 4 or 6) distal spines (nearly always including double distolateral spine). Antennal peduncle article 1 with strong ventral distomesial process. Mxp3 merus much shorter than ischium, usually with strong spine on flexor and extensor distal margins. G1 absent; G2 present. (Modified after Macpherson & Baba 2011).