Raphidopus Stimpson, 1858

Osawa, Masayuki & Ng, Peter K. L., 2018, A new species of the genus Raphidopus Stimpson, 1858 (Crustacea: Decapoda: Anomura: Porcellanidae) from Peninsular Malaysia, with additional records of R. johnsoni Ng & Nakasone, 1994 from Southeast Asia, and a key to species in the genus, Zootaxa 4433 (1), pp. 111-126 : 125

publication ID

https://doi.org/ 10.11646/zootaxa.4433.1.6

publication LSID

lsid:zoobank.org:pub:4D532EFF-7063-4772-AF77-58F5A8213B44

DOI

https://doi.org/10.5281/zenodo.5967593

persistent identifier

https://treatment.plazi.org/id/03B787EB-FFD1-0517-D4F8-0ACEFA76FDE9

treatment provided by

Plazi

scientific name

Raphidopus Stimpson, 1858
status

 

Key to species of the genus Raphidopus Stimpson, 1858 View in CoL

1. Branchial margins of carapace each with 1–3 distinct spines on median part.................. R. ciliatus Stimpson, 1858 View in CoL

- Branchial margins of carapace without spines................................................................ 2

2. Carpi of chelipeds each with 3 or 4 sharp spines on distal third of posterior margin.... R. persicus Ng, Safaie & Naser, 2012 View in CoL

- Carpi of chelipeds unarmed on posterior margins............................................................. 3

3. Carpus of each cheliped usually with blunt longitudinal ridge on midline of dorsal surface. Dactylus of larger cheliped with 2 distinct proximal teeth on cutting edge. Ambulatory legs comparatively stout (in fourth pereopod, 2.4–2.6 and 2.2–2.4 times longer than high on merus and propodus, respectively).......................................... R. brevipes View in CoL n. sp.

- Carpus of each cheliped without blunt longitudinal ridges on midline of dorsal surface. Dactylus of larger cheliped with 1 distinct proximal tooth on cutting edge. Ambulatory legs slender (in fourth pereopod, 2.8–3.1 and 2.7–3.0 times longer than high on merus and propodus, respectively)...................................................................... 4

4. Eyes comparatively large, reaching lateral limits of orbits. Dactylus of larger cheliped with distinct, blunt tooth on median part of cutting edge, in addition to 1 proximal tooth................................... R. johnsoni Ng & Nakasone, 1994 View in CoL

- Eyes small, not reaching lateral limits of orbits. Dactylus of larger cheliped without prominent tooth on median part of cutting edge........................................................................... R. indicus Henderson, 1893 View in CoL

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