西日本産新生代後期のイチョウガニ科（十脚目）の再検討と1新属1新種の記載
2020 年 46 巻 p. 21-43
詳細
2020 年 46 巻 p. 21-43
The cancrid crabs from the Neogene and Quaternary deposits of West Japan are clarified. Mizuhocancer Karasawa, a new monotypic genus is proposed for Cancer? imamurae Imaizumi, 1962, previously assigned to Platepistoma Rathbun, 1906, by Karasawa (1993). Glebocarcinus doii Karasawa and Takahashi, a new species is described from the Early Miocene Igami Formation of southern Honshu. The fossil cancrids known to date from the Late Cenozoic of West Japan consist of 11 species within five genera, Anatolikos japonicus (Ortmann, 1893), A. fujinaensis (Sakumoto, Karasawa, and Takayasu, 1992), new combination, A. itoigawai (Karasawa, 1990), A. tomowoi (Karasawa, 1990), new combination, Glebocarcinus doii Karasawa and Takahashi, new species, G. kaedei Karasawa, 1990, Metacarcinus izumoensis Sakumoto, Karasawa, and Takayasu, 1992, Mizuhocancer imamurae (Imaizumi, 1962), new combination, Romaleon gibbosulum (De Haan, 1833), R. odosense (Imaizumi, 1962), and R. sakamotoi (Kato, 1996).
