Paranamixis Schellenberg 1938
Creators: name: Kaim-Malka, R. A.
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Amphipoda
Leucothoidae
Paranamixis

description: Key to the anamorph male of Paranamixis species known
1) Coxa 2 rectangular shaped.............................................................................. 4
- Coxa 2 not rectangular shaped.......................................................................... 2
2) Coxa 2 trapezoid shaped.............................................................................. 11
- Coxa 2 not trapezoid shaped............................................................................. 3
3) Coxa 2 round shaped................................................................................. 13
- Coxa 2 oval shaped.................................................................................. 16
4) Coxa 2 longer than broad.............................................................................. 5
- Coxa 2 broader than long, anterodistal margin with sharp process............................................... 9
5) Coxa 2 distal margin round, without sharp process; Head triangular............................ P. kanu Thomas 1997
- Coxa 2 distal margin not round, with sharp process........................................................... 6
6) Coxa 2 sharp process on the ventral margin................................................................ 7
- Coxa 2 sharp process on the anterior margin............................................................... 8
7) Gn2: propodus apex with a single sharp process; dactyl tuberculate on the inner margin.......... P. clarkae Thomas 1997
- Gn2: propodus palm with one large and several small triangular protrusions; dactylus: proximal margin with excavation.............................................................................. P. lunata White & Machida 2018
8) Coxa 2 anterior margin with a subdistal sharp process (inferior third of the margin length)............................................................................................ P. sommelieri White & Krapp-Schickel 2017
- Coxa 2 anterior magin with a midlength sharp process..................................... P. fijiensis Thomas 1997
9) Gn.2 basis not serrate, dactylus not excavated; Pereiopod 5 basis posterior margin smooth.. P. ledoyeri Ortiz & Lalana 1997
- Gn.2 basis serrate.................................................................................... 10
10) Gn.2 dactylus excavated; Pereiopod 5 basis posterior margin with a notch.................... P. excavatus Ledoyer 1978
- Gn.2 dactylus not excavated; Pereiopod 5 basis trapezoidal shaped......................... P. bocki Schellenberg 1938
11) Coxa 2 without cusp, projection or notch; Gn.2 basis with an anterior triangular process and a posterior excavation, propodus posteriorly excavate with 3 teeth...................................................... P. aberro Hirayama 1983
- Coxa 2 distal margin with projection or notch............................................................. 12
12) Anterior head margin oblique, with mid-lateral notch; Gn.2 basis with serrate distomedial ridge, propodus serrate, dactylus inner margin tuberculate; carpus 0.5 x propodus length................................. P. misakiensis Thomas 1997
- Anterior head margin truncate, with one acute tooth; Gn.2 articles not serrate, carpus 0.8 x propodus length; propodus with distal process.............................................................. P. jiigurru White & Thomas 2009
13) Coxa 2 margin smooth................................................................................ 14
- Coxa 2 margin not smooth............................................................................. 15
14) Coxa 2 round; Gn.2 basis with a distal knob, propodus distal palm dentate, dactylus inner margin denticulated; anterior head margin with notch............................................................. P. denticulus Kim & Kim 1991
- Coxa 2 rougthly round; Gn.2 basis with denticulate ridge, propodus distal palm dentate, dactylus excavated proximally; anterior head margin with a small cup................................................ P. madagascariensis Ledoyer 1982
15) Coxa 2 anterior margin with 2 small notches; Gn.2 propodus palm with strong distal tooth and a narrow posterior sinus, inner margin of dactylus dentate....................................................... P. indicus Sivaprakasam 1968
- Coxa 2 anterior margin with 1 small notch; Gn.2 basis with anterodistal serrate ridge, propodus palm with several tubercules, proximal margin dactylus with 2 plumose setae................................... P. thomasi White & Reimer 2012
16) Coxa 2 longer than broad; Gn.2 carpus 0.79 x propodus length, propodus distal palm denticulate, dactylus with one tooth................................................................................ P. dentidactylus Myers 2013
- Coxa 2 broader than long; Gn.2 carpus 0.67 x propodus length, propodus distal palm not denticulate, with a little distal triangular protrusion, dactylus smooth excavate with 2 setae at the distal third of the length.................. P. fishelsoni sp. nov.
description: Published as part of Kaim-Malka, R. A., 2024, A new species of the family Leucothoidae (Crustacea, Amphipoda) from the Mediterranean Sea, Paranamixis fishelsoni sp. nov., pp. 441-450 in Zootaxa 5463 (3) on pages 448-449, DOI: 10.11646/zootaxa.5463.3.9, http://zenodo.org/record/11611840