Rhachotropis, Smith, 1883
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publication ID |
https://doi.org/ 10.3853/j.2201-4349.75.2023.1888 |
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publication LSID |
lsid:zoobank.org:pub:750C3002-9644-4904-863F-EDAF30891928 |
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DOI |
https://doi.org/10.5281/zenodo.10413638 |
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persistent identifier |
https://treatment.plazi.org/id/D80B87D4-3D4F-3A19-8010-FC035201F91E |
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treatment provided by |
Felipe |
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scientific name |
Rhachotropis |
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Key to species of Rhachotropis View in CoL from Japanese and adjacent waters
1 Head with dorsal protrusion ...................................................................................................... 2
—— Head dorsally smooth ................................................................................................................ 3
2 Pereopods 5 and 6 basis produced posteriorly .......................................................... R. aculeata View in CoL
—— Pereopods 5 and 6 basis not produced posteriorly .................................................... R. marinae View in CoL
3 Pereonite 7 with middorsal tooth .............................................................................................. 4
—— Pereonite 7 dorsally smooth ...................................................................................................... 6
4 Pleonite 3 and urosomite 1 with middorsal tooth .................................................... R. macropus View in CoL
—— Pleonite 3 and urosomite 1 without middorsal tooth ................................................................. 5
5 Pereopod 5 basis not produced posteriorly. Pereopod 6 basis oval ................................ R. oculata View in CoL
—— Pereopod 5 basis strongly produced posteriorly. Pereopod 6 basis triangular ........................................................................................................................ R. reiwa View in CoL
6 Urosomite 1 with dorsal tooth ................................................................................................... 7
—— Urosomite 1 dorsally smooth .................................................................................................... 8
7 Pereonites dorsally smooth. Telson cleft for 5% of its length ................................... R. distincta View in CoL
—— Pereonites with dorsal protrusion. Telson cleft for 10% of its length ................................ R. saskia View in CoL
8 Eyes small, not pigmented. Telson elongate, length 3.8 times width ............................................................................................................................ R. natator View in CoL
—— Eyes large, pigmented. Telson not elongate, length shorter than 2 times width ................................................................................................................................ 9
9 Pereopods 5–7 basis produced posteriorly ...................................................... R. lowryi sp. nov.
—— Pereopods 5–7 basis not produced posteriorly ............................................................. R. inflata View in CoL
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