taxonID	type	description	language	source
038087A2FFDBAD62AEFFFE3B6A1FB8A1.taxon	materials_examined	Type species. Oniscus aculeata Lepechin, 1780	en	Lörz, Anne-Nina (2015): An enigmatic Rhachotropis (Crustacea: Amphipoda: Eusiridae) from New Zealand. Zootaxa 4006 (2): 383-391, DOI: 10.11646/zootaxa.4006.2.9
038087A2FFDBAD67AEFFFD596B43BC5F.taxon	materials_examined	Material examined. Holotype: NIWA 82905, female, 13.6 mm, Clark Seamount, Southern Kermadec Ridge, New Zealand, 36 ° 26 ' 43.08 '' S, 177 ° 50 ' 21.12 '' E, epibenthic sledge, TAN 1206 / 99, 850 – 927 m, 24 April 2012. Paratype: NIWA 78497, 17.4 mm, Chatham Rise, New Zealand, 44 ° 46 ' 39.60 '' S, 174 ° 07 ' 58.80 '' E, beam trawl, 821 – 822 m, TAN 1116 / 58, 0 9 November 2011.	en	Lörz, Anne-Nina (2015): An enigmatic Rhachotropis (Crustacea: Amphipoda: Eusiridae) from New Zealand. Zootaxa 4006 (2): 383-391, DOI: 10.11646/zootaxa.4006.2.9
038087A2FFDBAD67AEFFFD596B43BC5F.taxon	etymology	Etymology. Rhachotropis oweni sp. nov. is named after Owen Anderson, acknowledging his contribution and dedication to New Zealand’s deep-sea fauna.	en	Lörz, Anne-Nina (2015): An enigmatic Rhachotropis (Crustacea: Amphipoda: Eusiridae) from New Zealand. Zootaxa 4006 (2): 383-391, DOI: 10.11646/zootaxa.4006.2.9
038087A2FFDBAD67AEFFFD596B43BC5F.taxon	diagnosis	Diagnosis. Body delicate, ornamented. Rostrum short. Eyes present, bulging laterally. Humps on head and pereonites. Pereonite 7 nearly as long as body. Pleonite 1 bearing dorsolateral pointed processes, dorsally smooth. Pleonite 2 and 3 bearing dorsolateral pointed processes, and short pointed middorsal process. Telson cleft 10 %, triangular, long and narrow.	en	Lörz, Anne-Nina (2015): An enigmatic Rhachotropis (Crustacea: Amphipoda: Eusiridae) from New Zealand. Zootaxa 4006 (2): 383-391, DOI: 10.11646/zootaxa.4006.2.9
038087A2FFDBAD67AEFFFD596B43BC5F.taxon	description	Description. Antenna 1 and 2 equal in length. Antenna 1 article 2 slightly shorter than article 1, 2.5 times as long as article 3; flagellum 10 - articulate. Antenna 2 peduncle article 4 and 5 subequal in length, several plumose setae on third article; flagellum 15 - articulate. Mandible with incisor process well developed; lacinia mobilis denticulate; molar process conical; palp article 1 short, about one-third length of article 2, articles 2 and 3 with long slender setae, article 3 nearly as long as article 2. Maxilla 1 inner plate bearing 2 subterminal plumose seta; outer plate with 9 denticulate spines; article 1 of palp with long setae at outer margin, palp article 2 with several slender setae at tip. Maxilla 2 inner and outer plate subequal in length, margins bearing stout and slender setae; inner plate slightly wider than outer plate. Maxilliped outer plate 2.5 times as long as inner plate, reaching half of article 2 of maxillipedal palp. Hypopharynx setose, outer lobes separated by broad gap. Gnathopods similar in shape, subchelate. Gnathopod 1 slightly smaller than gnathopod 2. Gnathopod 1 coxa 1 – 4 subquadrate. Gnathopod 1 basis bearing several small spines at anteroventral corner; ischium and merus long setae at posteroventral corner; carpus lobe extending width of propodus, spines at terminal end of lobe; propodus broad, oval; dactylus slender, reaching end of palm. Pereopods 3 and 4 articles long and narrow; carpus, propodus and dactylus similar in length. Pereopod 5 basis with acute posterior margin; pereopod 6 basis similar triangular shape. Pereopod 5 and 6 long, merus slightly inflated. Pereopod 7 longer than pereopod 5 and 6; basis with large rounded extension posteriorly; merus posteroventral angle produced; propodus same length as carpus. Pleopod 2 (right side) rami with 16 and 21 articles, respectively; rami 1.5 times as long as peduncle. Uropod 1 rami shorter than peduncle, outer rami slightly shorter than inner rami. Uropod 2 rami same length; peduncle shorter than ramus. Uropod 3 rami longer than peduncle, inner rami slightly longer than outer rami. Telson more than three times as long as wide, cleft 10 %. Colour. Eyes cream / white; body light orange; gnathopods dark red.	en	Lörz, Anne-Nina (2015): An enigmatic Rhachotropis (Crustacea: Amphipoda: Eusiridae) from New Zealand. Zootaxa 4006 (2): 383-391, DOI: 10.11646/zootaxa.4006.2.9
038087A2FFDBAD67AEFFFD596B43BC5F.taxon	distribution	Distribution. New Zealand, Kermadec Ridge and Chatham Rise, 821 – 927 m.	en	Lörz, Anne-Nina (2015): An enigmatic Rhachotropis (Crustacea: Amphipoda: Eusiridae) from New Zealand. Zootaxa 4006 (2): 383-391, DOI: 10.11646/zootaxa.4006.2.9
038087A2FFDBAD67AEFFFD596B43BC5F.taxon	discussion	Remarks. Rhachotropis oweni sp. nov. from New Zealand differs from all other 60 Rhachotropis species by the combination of following characters: long dorsolateral projections on pereonites 1 – 3; pereonite 1 dorsally smooth; eyes present; mid-dorsal protuberances on head and pleonites; unproduced coxa 1, pleopod 5 and 6 basis triangular, pereopod 7 basis with large rounded extension.	en	Lörz, Anne-Nina (2015): An enigmatic Rhachotropis (Crustacea: Amphipoda: Eusiridae) from New Zealand. Zootaxa 4006 (2): 383-391, DOI: 10.11646/zootaxa.4006.2.9
