Carcinoplax longimana (de Haan, 1833)

(Figs. 5.E–H)

Cancer (Curtonotus) longimanus de Haan, 1833: 6, fig. 1.

Carcinoplax longimanus . — H. Milne Edwards 1852: 164, pl. 49, fig. 2.— Niino 1933: 62–64, figs. 1A–K.— Miyake 1983: 145, pl. 49, fig. 2.— Karasawa & Matsuoka 1993: 41–42, fig. 1.—Karasawa 1993: 71, pl. 19, figs. 1, 3, 5.— Karasawa 1997: 59–60, pl. 21, figs. 1, 3a, b, 4, pl. 22, figs. 4a, b.— Karasawa & Nobuhara 2008: 27, figs. 2-1, 2.— Kitamura & Shiba 2008: 16.— Izumi & Sato 2017: 2–4, fig. 2.

Carcinoplax longimana . — Ortmann 1894: 688, pl. 23, fig 3.— Karasawa 1990: 58, figs. 1a–c.— Ikeda 1998: 41, pl. 53, figs. 1–6.— Sakumoto 2000: figs. 1–5.— Castro 2007: 627–628, fig. 1.— Mohanty et al. 2016: 98–99, fig. 2.

Material examined. MFM 145620– MFM 145623 and twenty-eight other referred specimens.

Remarks. Fossil specimens of this genus are commonly collected from the Pliocene to Pleistocene of Japan (e.g., Karasawa 1990, 1993, 1997; Karasawa & Matsuoka 1993; Sakumoto 2000; Karasawa & Nobuhara 2008; Izumi & Sato 2017). The extant specimens are known from South and East Africa to the western Pacific (Miyake 1983; Ikeda 1998; Castro 2007; Mohanty et al. 2016).