Sepia longipes Sasaki 1913

Sepia longipes Sasaki, 1914

DIAGNOSIS.—Mantle wide, roughly oval in outline; fins wide, maximal width of fin muscles about that of body, free margin much narrower. Arms I of male about twice as long as other arms; arm formula I > II > III > IV. Arms subequal in female. Left arm IV of male hectocotylized, suckers reduced on distal 40% of length. Tentacular club large, with 4 or 5 longitudinal rows of suckers, central 4 suckers greatly enlarged. Sepion lanceolate. Striated zone with high medial ridge continuing into longitudinal groove on last loculus. Anterior striae on ventral side roughly M-shaped but with rounded tips. Inner cone slender, with V-shaped ridge. Outer cone cup-shaped with concave ventral rim. Spine present.

ORIGINAL REFERENCE.—Sasaki, 1914:619, pl. 12: figs. 4, 5.

TYPE LOCALITY.—Japan, Kozusa Province, Choshi.

TYPES.—Holotype: Museum of the Science College, University of Tokyo.

GEOGRAPHICAL DISTRIBUTION.—Japan, South of Choshi to southern Kyushu; East China Sea.