Charybdis (Charybdis) orientalis Dana, 1852

Srivastava, O. P., 2017, Marine and estuarine crabs of Digha coast, Records of the Zoological Survey of India 117 (1), pp. 49-72 : 60

27. Charybdis (Charybdis) orientalis Dana, 1852

1852. Charybdis orientalis Dana, U.S.N. Proc.Acad. nat.Sci.

Philad., 5: 247-254.

1861. Goniosoma orientalis A.Milne Edwards, Etudes zoologiques sur les Crustacés récents de la famille des

Portuniens. Arch. Mus . Natn., paris, sér. 1, 10:383.

1899. Charybdis (Goniosoma) orientalis Alcock, Id.

No.4 Brachyura Cyclometopa. Part 2. The families

Portunidae , cancridae and Corystidae J.asiat.Soc.

Bengal 68 (2):63.

1976. Charybdis (Charybdis) orientalis Sakai , The crabs of Japan and adajacent Seas Kodansha Ltd, Tokyo,

362, pl.128, Figure 2.

Material examined: 1ex. Digha Mohana, 16.iv.14, Coll: O.P.S. (Reg.no.A-4307).

Diagnosis: Carapace little broad, its anterolateral border bears 6 unequal spines, 2 nd spine is rudimentary. Posterior border of the carapace forms a distinct curve with its lateral border.

Distribution: India: Andaman Island, Gujarat (Gulf of Kachchh), Maharashtra ( Mumbai), Tamil Nadu (Gulf of Mannar) and West Bengal (Digha). Elsewhere: Australia, East coast of Africa, Japan, Medagaskar, Philippines and Sri Lanka.