Biodiversity Literature Repository
Published September 26, 2014 | Version v1
Taxonomic treatment Open

Tmetonyx Stebbing 1906

Creators

Description

Tmetonyx Stebbing 1906

(Fig. 48)

Hoplonyx Sars, 1891: 91 (homonym, Coleoptera).— Stebbing, 1894: 9.

Tmetonyx Stebbing 1906: 73 (new name).—J.L. Barnard, 1969: 365.— Barnard & Karaman, 1991: 441 (key), 535.

Type species. Oniscus cicada O. Fabricius, 1780, original designation.

Included species. Tmetonyx includes 8 species: T. acuta (G.O. Sars, 1891); T. albida (G.O. Sars, 1891); T. cicada (O. Fabricius, 1780); T. gulosa (Krøyer, 1845); T. leucophthalma (G.O. Sars, 1891); T. nardonis (Heller, 1867); T. palpiserrata Bellan-Santini, 1985; T. rotundata (Chevreux, 1926a); T. similis (G.O. Sars, 1891).

Diagnostic description. Antenna 1 peduncle article 1 without anterodistal lobe; accessory flagellum with an elongate article 1 (at least twice as long as article 2) partially covering callynophore. Antenna 2 with weakly developed brush setae. Mandible molar a reduced column with convex, fully triturating surface. Maxilla 1 outer plate a well developed 7/4 crown. Maxilla 2 inner plate significantly shorter than outer plate. Gnathopod 1 subchelate; coxa 1 large, about as long as coxa 2, subrectangular with straight anterior margin; ischium long (length 2 × to 4 × breadth); carpus long (length 2 to 4 × breadth) ; propodus margins subparallel. Uropod 2 inner ramus not constricted. Telson deeply cleft.

Remarks. Based on the subchelate gnathopod 1 with a fully developed coxa and long carpus Tmetonyx appears to be similar to Anonyx and Caeconyx. Tmetonyx differs from Anonyx in the accessory flagellum cap (present in Anonyx and Caeconyx), the mandibular molar (setose with a vestigial triturating surface in Anonyx and Caeconyx), gnathopod 1 ischium (short in Anonyx and Caeconyx).

Distribution. Atlantic Ocean: North Atlantic; North Polar Sea; Mediterranean Sea.

Notes

Published as part of Lowry, J. K. & Kilgallen, N. M., 2014, A generic review of the lysianassoid family Uristidae and descriptions of new taxa from Australian waters (Crustacea, Amphipoda, Uristidae), pp. 1-92 in Zootaxa 3867 (1) on pages 78-80, DOI: 10.11646/zootaxa.3867.1.1, http://zenodo.org/record/5585734

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Linked records

Additional details

Identifiers

URL
http://treatment.plazi.org/id/03AE8B60AC4BFF976CC1F96EFBD8C151

Cites
Figure: 10.5281/zenodo.5585838 (DOI)
Is part of
Journal article: 10.11646/zootaxa.3867.1.1 (DOI)
Journal article: http://zenodo.org/record/5585734 (URL)
Journal article: http://publication.plazi.org/id/FF97F318AC06FFD86C56FFB2FFB4C36C (URL)
Journal article: http://zoobank.org/B7C6EC5F-5AA3-43B1-BD3D-D8111E0EC3A7 (URL)
Is source of
https://sibils.text-analytics.ch/search/collections/plazi/03AE8B60AC4BFF976CC1F96EFBD8C151 (URL)
https://www.gbif.org/species/189136286 (URL)
https://www.checklistbank.org/dataset/3965/taxon/03AE8B60AC4BFF976CC1F96EFBD8C151.taxon (URL)

Biodiversity

Family
Uristidae
Genus
Tmetonyx
Kingdom
Animalia
Order
Amphipoda
Phylum
Arthropoda
Scientific name authorship
Stebbing
Taxon rank
genus
Taxonomic concept label
Tmetonyx Stebbing, 1906 sec. Lowry & Kilgallen, 2014

References

  • Stebbing, T. R. R. (1906) Amphipoda. I. Gammaridea. Das Tierreich, 21, 1 - 806.
  • Sars, G. O. (1891) An Account of the Crustacea of Norway, with Short Descriptions and Figures of all the Species. Vol. I. Amphipoda. Parts 4 - 9. Alb. Cammermeyer, Christiana, 144 pp., 48 pls. [pp. 69 - 212, pls. 225 - 272]
  • Stebbing, T. R. R. (1894) The Amphipoda collected during the voyages of the Willem Barents in the Arctic Seas in the years 1880 - 1884. Bijdragen tot de Dierkunde, 17, 1 - 48, pls. 41 - 47.
  • Barnard, J. L. (1969) The families and genera of marine gammaridean Amphipoda. Bulletin of the United States National Museum, 271, 1 - 535. http: // dx. doi. org / 10.1163 / 156854082 x 00632
  • Barnard, J. L. & Karaman, G. S. (1991) The families and genera of marine gammaridean Amphipoda (except marine gammaroids). Records of the Australian Museum, Supplement, 13, 1 - 866. http: // dx. doi. org / 10.3853 / j. 0812 - 7387.13.1991.367
  • Fabricius, O. (1780) Fauna Groenlandica, systematice sistens animalia Groenlandiae occidentalis hactenus indagata, quoad nomen specificum, triviale, vernaculumque; synonyma auctorum plurium, descriptionem, locum, victum, generationem, mores, usum, capturamque singuli, provt detegendi occasio fuit, maximaque parte secundum proprias observationes Othonis Fabricii. Hafniae et Lipsiae, 452 pp. http: // dx. doi. org / 10.5962 / bhl. title. 13489
  • Kroyer, H. N. (1845) Karcinologiske Bidrag. Naturhistorisk Tidsskrift, Series 2, 1, 283 - 345, pls. 281 - 283; 403; 453 - 638, pls. 286, 287.
  • Heller, C. (1867) Beitrage zur naheren Kenntniss der Amphipoden des Adriatischen Meeres. Denkschriften der Kaiserlichen Akademie der Wissenschaften, Wien. Mathematisch-Naturwissenschaftliche Klasse, 26, 1 - 62, pls. 61 - 64.
  • Bellan-Santini, D. (1985) Amphipodes profonds de Mediterranee (Campagnes Biomede I, Polymede I et II). Bollettino del Museo Civico di Storia Naturale di Verona, 10, 263 - 313.