Published December 31, 2016 | Version v1
Taxonomic treatment Open

Oxycephalus Milne-Edwards 1830

Authors/Creators

Description

Key to species of the genus Oxycephalus Milne-Edwards, 1830

1. Pleonite 1, or pleonites 1–3, with sharp, medial tooth on ventral margin, in addition to tooth on postero-distal corner....... 2

- Pleonites without sharp medial projection on ventral margin.................................................... 3

2. Pleonites 1–3 with medial tooth on ventral margin. Gnathopods 1 & 2; carpus with antero-distal corner produced into sharp point, above propodus (not always apparent in immature specimens)......................... O. clausi Bovallius, 1887

- Only pleonite 1 with medial tooth on ventral margin (usually only in juvenile specimens less than 10 mm). Gnathopods 1 & 2; carpus without antero-distal corner produced...................................... O. piscator Milne-Edwards, 1830

3. Cutting edges of carpus and propodus of G1 & 2 with row of closely packed, relatively long, sharp teeth. Pereopod 7 of females with stylifrom propodus, slightly longer than ischium to carpus combined.............. O. latirostris Claus, 1879

- Cutting edges of carpus and propodus of G1 & 2 with few teeth, not in distinct row. Pereopod 7 of both sexes with normal propodus, only slightly longer, or shorter than carpus............................... O. piscator Milne-Edwards, 1830

Notes

Published as part of Zeidler, Wolfgang, 2016, A review of the families and genera of the superfamily PLATYSCELOIDEA Bowman & Gruner, 1973 (Crustacea: Amphipoda: Hyperiidea), together with keys to the families, genera and species, pp. 1-136 in Zootaxa 4192 (1) on page 76, DOI: 10.11646/zootaxa.4192.1.1, http://zenodo.org/record/166420

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Linked records

Additional details

Biodiversity

Scientific name authorship
Milne-Edwards
Kingdom
Animalia
Phylum
Arthropoda
Order
Amphipoda
Family
Oxycephalidae
Genus
Oxycephalus
Taxon rank
genus
Taxonomic concept label
Oxycephalus Milne-Edwards, 1830 sec. Zeidler, 2016

References

  • Milne-Edwards, H. (1830) Extrait de recherches pour servir a l'histoire naturelle des Crustaces Amphipodes. Annales des Sciences Naturelles, 20, 353 - 399, plates 10 - 11.
  • Bovallius, C. (1887) Systematical list of the Amphipoda Hyperiidea. Bihang till Kungliga Vetenskaps-Akademiens Handlingar, 11 (16), 1 - 50.
  • Claus, C. (1879) Die Gattungen und Arten der Platysceliden in Systematischer Ubersicht. Arbeiten aus dem Zoologischen Institut der Universitat zu Wien und der Zoologischen Station Triest, 2, 1 - 52 (147 - 198).