Published May 20, 2010 | Version v1
Taxonomic treatment Open

Normanion Bonnier 1893

Description

Key to species of Normanion

(modified from Kilgallen et al., 2006)

1. Maxilliped palp 4-articulate, extending beyond tip of inner plate; gnathopod 1 propodus broader than long............ 2

– Maxilliped palp 3-articulate, reaching only to tip of inner plate; gnathopod 1 propodus subequal in length and breadth or slightly longer than broad........................................................................................................................... 5

2. Eyes present................................................................................................................................................................. 3

– Eyes absent..................................................................................................................................................... N. abyssi

3. Maxilliped palp extending beyond outer plate; gnathopod 2 carpus about 2 x length of propodus.......... N. amblyops

– Maxilliped palp not extending beyond outer plate; gnathopod 2 carpus about 1.5 x length of propodus................... 4

4. Some of maxilla 1 outer plate setal teeth with 2 rows of cusps; gnathopod 1 propodus not produced posterodistally, gnathopod subchelate............................................................................................................................ N. hipposideros

– Maxilla 1 outer plate setal teeth with 1 row of cusps; gnathopod 1 propodus produced posterodistally, gnathopod weakly chelate................................................................................................................................................... N. whoi

5. Gnathopod 1 propodus palm smooth and striated, not denticulate.............................................................................. 6

– Gnathopod 1 propodus palm distinctly denticulate................................................................................... N. chevreuxi

6. Uropod 3 rami subequal; telson entire............................................................................................................. N. ruffoi

– Uropod 3 rami distinctly unequal; telson slightly emarginate............................................................. N. quadrimanus

Notes

Published as part of Stoddart, H. E. & Lowry, J. K., 2010, The family Opisidae (Crustacea: Amphipoda: Lysianassoidea) in Australasian waters, pp. 22-38 in Zootaxa 2479 (1) on page 23, DOI: 10.11646/zootaxa.2634.1.5, http://zenodo.org/record/10094183

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Linked records

Additional details

Biodiversity

Family
Opisidae
Genus
Normanion
Kingdom
Animalia
Order
Amphipoda
Phylum
Arthropoda
Scientific name authorship
Bonnier
Taxon rank
genus
Taxonomic concept label
Normanion Bonnier, 1893 sec. Stoddart & Lowry, 2010

References

  • Kilgallen, N. M., Myers, A. A. & McGrath, D. (2006) A revision of the North Atlantic amphipod genus Normanion (Crustacea: Amphipoda: Lysianassoidea). Zootaxa, 1363, 1 - 21.