Published October 28, 2011 | Version v1
Taxonomic treatment Open

Nepanamixis Thomas 1997

Authors/Creators

Description

Nepanamixis Thomas, 1997

Nepanamixis Thomas, 1997: 73.

Type-species. Nepanamixis dianthus Thomas, 1997, original designation.

Diagnosis. (Terminal males) Antennae relatively short, eyes with 9 scattered ocelli, head margins rounded. Maxilliped inner plates partially fused, outer plates with inner lobes present, sometimes reduced. Coxa 1 moderately reduced. Gnathopod 1 carpus basally inflated, inner margin cuspate, apex of propodus sometimes with terminal spine or bulbous process. Coxae 2–3 smooth; distal margin of coxa 4 distally produced or crenulate. Gnathopod 2 propodus with 2 mediofacial setal rows. Telson long, 1.8–2.0 x longer than wide.

Relationships. Differing from Leucothoe and Paraleucothoe in the reduced mouthparts, reduced coxa 1, and extreme sexual dimorphism. Differing from Anamixis and Paranamixis in the relatively shorter antennae, less numerous ocelli, larger coxa 1, expanded gnathopod 1 carpus, gnathopod 2 with two mediofacial setal rows, and longer telson.

Species. Nepanamixis dianthus Thomas, 1997; Nepanamixis grossimana (Ledoyer, 1978a); Nepanamixis torreanus Thomas, 1997; Nepanamixis vectoris Thomas, 1997.

Other records. Nepanamixis sp. A Jansen & Dinesen, 2002: 269, fig. 2a–c; Nepanamixis spp. (leucomorphs) Jansen & Dinesen, 2002: 268.

Habitat and Distribution. Marine, Indo–Pacific, Western Pacific, Caribbean, Mauritius to Belize, Andaman Sea, 0–25 m, among coral reefs, coral rubble, and algae, 4 species.

Notes

Published as part of White, Kristine N., 2011, A taxonomic review of the Leucothoidae (Crustacea: Amphipoda) 3078, pp. 1-113 in Zootaxa 3078 (1) on pages 23-24, DOI: 10.11646/zootaxa.3078.1.1, http://zenodo.org/record/5243821

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Linked records

Additional details

Biodiversity

Scientific name authorship
Thomas
Kingdom
Animalia
Phylum
Arthropoda
Order
Amphipoda
Family
Leucothoidae
Genus
Nepanamixis
Taxon rank
genus
Taxonomic concept label
Nepanamixis Thomas, 1997 sec. White, 2011

References

  • Thomas, J. D. (1997) Systemayics, ecology, & phylogeny of the Anamixidae (Crustacea, Amphipoda). Records of the Australian Museum, 49, 35 - 98.
  • Ledoyer, M. (1978 a) Amphipodes Gammariens (Crustacea) des biotopes cavitaires organogenes recifaux de l'ile Maurice (Oce- an Indien). The Mauritius Institute Bulletin 8, 197 - 332.
  • Jansen, T. & Dinesen, G. (2002) Anamixidae (Amphipoda, Crustacea) from the Andaman Sea, North - Eastern Indian Ocean. Special Publication Phuket Marine Biological Center, 23 (1), 265 - 271.