Raymunida, Macpherson & Machordom, 2000
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
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