Raymunida, Macpherson & Machordom, 2000

Osawa, Masayuki, 2012, Raymunida Macpherson & Machordom, 2000 (Crustacea: Decapoda: Anomura: Munididae) from the KUMEJIMA 2009 Expedition in the Ryukyu Islands, Japan *, Zootaxa 3367, pp. 134-144 : 143

publication ID

1175-5326

DOI

https://doi.org/10.5281/zenodo.5253854

persistent identifier

https://treatment.plazi.org/id/731087D6-FFFB-FFA1-FF56-FC9BFA7EF867

treatment provided by

Felipe

scientific name

Raymunida
status

 

Key to the species of the genus Raymunida View in CoL

1. Antennal article 2 unarmed on mesial margin.............................................................. 2

– Antennal article 2 usually with subdistal spine on mesial margin (in small specimens, spine reduced to low protuberance). 7

2. Carapace lacking long setae on dorsal surface. P1 with numerous long plumose setae...... R. bellior ( Miyake & Baba, 1967) View in CoL

– Carapace usually with some long setae on dorsal surface. P1 with numerous long simple setae....................... 3

3. Frontal margin of carapace without spine mesial to anterolateral spine. P1 fixed finger with row of closely spaced spines on entire dorsolateral margin........................................... R. insulata Macpherson & Machordom, 2001 View in CoL

– Frontal margin of carapace with small spine mesial to anterolateral spine. P1 fixed finger with row of relatively sparse spines at least on proximal half of dorsolateral margin................................................................ 4

4. Pl chela robust, less than 5 times longer than broad; dactylus with distinct longitudinal crest on dorsal midline.................................................................................. R. formosanus Lin, Chan & Chu, 2004 View in CoL

– P1 chela slender, more than 6 times longer than broad; dactylus without longitudinal crest on dorsal midline............. 5

5. Abdominal somites 2 and 3 each with uninterrupted stria between 2 distinct transverse ridges on dorsal surface. Mxp3 merus with prominent distal spine on extensor margin.................................................. R. striata View in CoL n. sp.

– Abdominal somites 2 and 3 without striae between 2 distinct transverse ridges on dorsal surface. Mxp3 merus unarmed or with small distal tooth on extensor margin...................................................................... 6

6. Mero-carpal articulation of P4 not reaching sinus between rostrum and supraocular spines of carapace................................................................................ R. confundens Macpherson & Machordom, 2001 View in CoL

– Mero-carpal articulation of P4 overreaching sinus between rostrum and supraocular spines of carapace.................................................................................. R. dextralis Macpherson & Machordom, 2001 View in CoL

7. Mxp3 merus unarmed on extensor margin............................. R. erythrina Macpherson & Machordom, 2001 View in CoL

– Mxp3 merus with distal spine on extensor margin........................................................... 8

8. Merocarpal articulation of P4 overreaching frontal margin of carapace.................... R. limbata Macpherson, 2006 View in CoL

– Merocarpal articulation of P4 not reaching frontal margin of carapace........................................... 9

9. Mero-carpal articulation of P4 only reaching level of first branchial spine of carapace (lateral end of anterior cervical groove). Abdominal somite 2 with 2 short median striae between 2 distinct transverse ridges on dorsal surface. P1 fingers without longitudinal crest on dorsal midline................................... R. cagnetei Macpherson & Machordom, 2000 View in CoL

– Mero-carpal articulation of P4 overreaching level of first branchial spine of carapace. Abdominal somite 2 with row of interrupted short or long striae or continuous stria between 2 distinct transverse ridges on dorsal surface. P1 fingers each with rounded longitudinal crest on dorsal midline............................................................... 10

10. Abdominal somite 4 without striae between 2 distinct transverse ridges on dorsal surface...... R. vittata Macpherson, 2009 View in CoL

– Abdominal somite 4 with faint or distinct striae between 2 distinct transverse ridges on dorsal surface................ 11

11. Thoracic sternites 5 and 6 with faint, short oblique ridges on lateral part. Abdominal somites 2 and 3 with faint, very short striae between 2 distinct transverse ridges on dorsal surface................. R. elegantissima (De Man, 1902) View in CoL [holotype]

– Thoracic sternites 5 and 6 with distinct, comparatively long, oblique ridges on lateral part. Abdominal somites 2 and 3 with distinct, usually continuous long stria between 2 distinct transverse ridges on dorsal surface......... R. lineata Osawa, 2005 View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Decapoda

Family

Munididae

Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF