Megamphopus
Creators
Description
Key to the species of Megamphopus from the North-East Atlantic, Mediterranean and associated seas
1. Gnathopod 2 grossly enlarged, at least twice size of gnathopod 1 (males).......................................... 2
- Gnathopod 2 not larger or only a little larger than gnathopod 1 (females).......................................... 6
2. Male coxa 2 much deeper than broad...................................................................... 3
- Male coxa 2 subsquare................................................................................. 4
3. Male gnathopod 2 dactylus more than two thirds length of propodus..................... M. longicornis Chevreux, 1911
- Male gnathopod 2 dactylus very short, less than half length of propodus................... M. brevidactylus Myers, 1976
4. Male gnathopod 1 dactylus longer than propodus............................................ M. katagani sp. nov.
- Male gnathopod 1 dactylus shorter than propodus............................................................ 5
5. Male gnathopod 2 dactylus subequal in length with propodus......................... M. longidactylus Chevreux, 1925
- Male gnathopod 2 dactylus scarcely half length of propodus............................... M. cornutus Norman, 1869
6. Female uropod 2 peduncle with inter-ramal spine............................................................. 7
- Female uropod 2 peduncle lacking inter-ramal spine.......................................... M. katagani sp. nov.
7. Female ocular lobes acute..................................................... M. longidactylus Chevreux, 1925
- Female ocular lobes sub-acute...........................................................................8
8 Ocular lobes terminating in blunt tip; antenna 2 flagellum with about 10 articles............... M. cornutus Norman, 1869
- Ocular lobes terminating in sharp point; antenna 2 flagellum with more than 15 articles............................. 9
9. Female gnathopod 2 propodus longer than carpus..................................... M. brevidactylus Myers, 1976
- Female gnathopod 2 propodus subequal with carpus.................................. M. longicornis Chevreux, 1911
Notes
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Linked records
Additional details
Identifiers
Related works
- Is part of
- Journal article: 10.5281/zenodo.207651 (DOI)
- Journal article: http://publication.plazi.org/id/FFCCFF8EFFB32B6BFFDAFFB3FFB72861 (URL)
- Is source of
- https://sibils.text-analytics.ch/search/collections/plazi/03F587F6FFB72B6FFF4DFE4CFA2B2C2F (URL)
Biodiversity
- Family
- Isaeidae
- Genus
- Megamphopus
- Kingdom
- Animalia
- Order
- Amphipoda
- Phylum
- Arthropoda
- Taxon rank
- genus
References
- Chevreux, E. (1911) Campagnes de la Melita. Les amphipodes d'Algerie et de Tunisie. Memoir de la Societe Zoologique de France, 23, 145 - 285.
- Myers, A. A. (1976) The genera Megamphopus Norman and Microprotopus Norman (Amphipoda - Gammaridea) in the Mediterranean. Bulletin du Museum National d'Histoire Naturelle, 250, 121 - 132.
- Chevreux, E. (1925) Amphipodes 1. Gammariens. Voyage de la goelette Melita aux Canaries et au Senegal (1889 - 1890). Bulletin de la Societe Zoologique de France, 50, 278 - 311.
- Norman, A. M. (1869) Shetland final dredging report. Part II. On the Crustacea, Tunicata, Polyzoa, Echinodermata, Actinozoa, Hydrozoa and Porifera. Report of the Thirty-eighth Meeting of the British Association for the Advancement of Science, 1868, 247 - 336.