Coleusia magna ( Tyndale-Biscoe and George, 1962 )

Manikandan, K, Megalaa, N, Valliappan, Subramanian, Nandini, K, Rani, Lourdu V, Dakshinamurthi, Senthil & Nagappan, Nagappan, 2022, Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH- 72 - 1 Cruise) 3. Sahul Shelf, Bulletin of the National Museum of Nature and Science. Series A, Zoology 48 (2), pp. 35-83 : 43-44

publication ID

https://doi.org/ 10.50826/bnmnszool.48.2_35

DOI

https://doi.org/10.5281/zenodo.13824337

persistent identifier

https://treatment.plazi.org/id/4B248785-4232-A53B-3905-A0792A92FD84

treatment provided by

Felipe

scientific name

Coleusia magna ( Tyndale-Biscoe and George, 1962 )
status

 

Coleusia magna ( Tyndale-Biscoe and George, 1962) View in CoL

( Fig. 4 View Fig )

Material examined. RV Hakuhō Maru KH-72-1 cruise, sta. 29, 1 carapace ( CB 28.0×CL 33.6 mm), NSMT-Cr 30702.

Remarks. Coleusia magna , one of five species in the genus Coleusia , is characteristic in having a pair of large, dark brown blotches on the gastric regions. Even in the cast-off carapace examined ( Fig. 4A View Fig ), the black blotches are distinct, and two longitudinal parallel lines along the lateral margins are also hardly traceable, agreeing with the fine photographs of coloration given by Galil (2006). The thoracic sinus ( Fig. 4B–C View Fig ) agrees generally with the description of Galil (2006: 59) as "Thoracic sinus with row of eight or nine granulate, oval granules above cheliped basis, decreasing in size posteriorly. Sinus anteriorly defined by granulate, straight, overhanging margin of pterygostomian region." The granules in the thoracic sinus in this specimen are fewer than described by Galil (2006), with six main granules surround by several depressed granules.

Distribution. Only from Australian waters (off the Dampier Archipelago, Onslow and Bloome, northwestern Australia; off Bundaberg and Mackay Harbour, Queensland), 55–82 m depth.

RV

Collection of Leptospira Strains

CB

The CB Rhizobium Collection

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Decapoda

Family

Leucosiidae

Genus

Coleusia

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