Sakai, 1933
Carapace elongate pyriform, covered with fine tomentum, beneath which the surface is smooth. The gastric region has a small tubercle in the middle. The intestinal region has also a small tubercle in the middle, the posterior border is armed with two spines, one on either side. There are five marginal spines, one of which belongs to the hepatic region and is most prominent, the others belonging to the branchial region. The true rostral spine moderately prominent, the pseudorostral spines slender, straight, horizontal and are divergent at an angle of about 30°. The supraocular eave is armed with a tooth at the posterior angle; the intercalated spine moderately prominent; the postocular tooth very prominent, acuminate, and is hollowed on the inner surface near the base.
The subhepatic region has a group of four or five tubercles; one tubercle on the pterygostomial region and also one on the epimeral region above the base of the cheliped. The basal segment of antenna armed with two distal spines, of which the ventral one is larger. The infraorbital tooth very small and rounded.
Chelipeds of male are longer than any of the ambulatory legs; the ischium and arm are unarmed; the wrist armed with about 12-13 obtuse spinules on the upper surface, the palm is much longer than any other segment and is smooth; the fingers gape at base, their tips being acuminate and not hollowed as in the genus Schizophrys. The movable finger has a stout tooth near the base. Ambulatory legs are stout and thickly covered with fine tomentum, scattered with longer hairs.
Abdomen of male resembles that of Schizophrys aspera. (Sakai, 1938: 304)
Type locality: Shimoda, Japan.
Range: Japan - Shimoda (Sakai, 1933a, 1935, 1938), Sagami Bay and Kii Minabe (Sakai, 1965b), Sagami Bay, Izu Peninsula, Shima Peninsula and Kii Peninsula (Sakai, 1976a), Ogasawara-shoto (Takeda, 1977a), Hatsushima, Kii Nagashima, Gobo, Kii Minabe, Nanki Shirahama, Kushimoto, and Tosa Bay (Muraoka, 1998).