Cryptodromia hilgendorfi De Man, 1888

Shaga, I Bevin, Priya, K, Ramar, Selvakumar, Srinidhi, S, Mohan, G Chandra, Ranganathan, Sukanya, Moulvi, S M M & Mani, Bhuvaneswari, 2023, A Small Collection of Subtidal Crabs (Crustacea: Decapoda: Brachyura) from the Palau Islands Collected by Dredging, Bulletin of the National Museum of Nature and Science. Series A, Zoology 49 (1), pp. 7-42 : 8

publication ID	https://doi.org/10.50826/bnmnszool.49.1_7
DOI	https://doi.org/10.5281/zenodo.13826446
persistent identifier	https://treatment.plazi.org/id/1B153E3A-FF84-FFBA-F396-CBF35E93FBA8
treatment provided by	Felipe (2024-06-17 17:09:32, last updated 2024-11-25 18:32:22)
scientific name	Cryptodromia hilgendorfi De Man, 1888
status

Treatment

Cryptodromia hilgendorfi De Man, 1888 View in CoL

Material examined. Inside of Gesodokkuru Reef , off Arumonogui, Babelthuap I., Palau Is., ca. 20 m in depth, dredged, dead coral and sand; 1 ♂ (cb 4.5×cl 4.4 mm), NSMT-Cr 30952; July 14, 1980; K. Baba leg.

Remarks. This specimen is small, but agrees with the line drawings by De Man (1888: pl. 18 fig. 3), Alcock (1901: pl. 3 fig. 11), Campbell and Stephenson (1970: fig. 3A) and Lewinsohn (1977: fig. 2a), with the photographs by Takeda (1973: pl. 1 fig. A) and McLay (1993: fig. 18d), and also with the taxonomic notes by Ihle (1913). Especially, the recent description and taxonomic discussion by McLay (1993) are elaborate.

The most remarkable character of this species is the armature of the carapace margin; the anterolateral margin is armed with a large rightangled tooth rather close to the external orbital angle, which makes a distinct gap at the tooth, and the main anterolateral margin behind the tooth is almost straight, only weakly convergent, and followed by a blunt epibranchial tooth

behind the shallow but distinct depression.

Distribution. Widely distributed in the Indo-West Pacific from the Red Sea eastwards to the Marquesas Islands and northwards to the Philippines, 1–105 m in depth. Mclay (2001) recorded many specimens from the Marquesas Islands in the Polynesia, and Balss (1938) and Takeda (1973) recorded this species from the Gilbert and Palau Islands in the Micronesia, respectively.

References

Alcock, A. 1901. Catalogue of the Indian Decapod Crustacea in the Collection of the Indian Museum. Part I. Brachyura. Fasciculus I. Introduction and Dromides or Dromiacea (Brachyura Primigenia). The Indian Museum, Calcutta, ix + 80 pp., 8 pls.

Balss, H. 1938. Die Dekapoda Brachyura von Dr. Sixten Bocks Pazifik-Expedition 1917 - 18. Goteborgs Kongl. Vetenskaps - och Vitterhets-Samhalles Handlingar, (B) 5 (7): 1 - 85, pls. 1 - 2.

Campbell, B. M. and W. Stephenson 1970. The sublittoral Brachyura (Crustacea: Decapoda) of Moreton Bay. Memoirs of the Queensland Museum 15: 235 - 301, pl. 22.

Ihle, J. E. W. 1913. Die Decapoda Brachyura der Siboga- Expedition. I. Dromiacea. Siboga-Expeditie, Monographie 39 b: 1 - 96, pls. 1 - 4.

Lewinsohn, C. 1977. Die Dromiidae des Roten Meeres (Crustacea Decapoda, Brachyura). Zoologische Verhandelingen, Leiden 151: 1 - 41.

Man, J. G. De 1888. Bericht uber die Herrn Dr. J. Brock im indischen Archipel gesammelten Decapoden und Stomatopoden. Archiv fur Naturgeschichte 53: 215 - 600, pls. 7 - 22 a.

McLay, C. L. 1993. Crustacea Decapoda: The sponge crabs (Dromiidae) of New Caledonia and the Philippines with a review of the genera. In Crosnier A. (ed.): Resultats des Campagnes MUSORSTOM, volume 10. Memoires du Museum national d`Histoire naturelle, Paris, (Zoologie) 156: 111 - 251.

McLay, C. L. 2001. The Dromiidae of French Polynesia and a new collection of crabs (Crustacea, Decapoda, Brachyura) from the Marquesas Islands. Zoosystema 23: 77 - 100.