Published February 24, 2020 | Version v1
Taxonomic treatment Open

Leucothoe Leach 1814

Description

Key to Leucothoe species from Brazil (according to updated checklist by Serejo & Siqueira, 2018)

1. Gnathopod 2, coxa 2 with truncated corners.................................... L. kensleyi Thomas & Klebba, 2006

- Gnathopod 2, coxa 2 with rounded corners................................................................. 2

2. Gnathopod 2, anteriorly excavated and projected to dactylus......................... L. laurensi Thomas & Ortiz, 1995

- Gnathopod 2, anteriorly convex and not projected to dactylus.................................................. 3

3. Mandibular palp article 3 reduced (smaller or subequal in length to article 1)...................................... 4

- Mandibular palp article 3 well developed (notably longer than article 1)…........................................ 7

4. Pereopod 7 basis globose (about 20% longer than large) with posterior margin subtriangular…........................ 5

- Pereopod 7 basis thin (about 40% longer than large) with posterior margin rounded…............................... 6

5. Gnathopod 1 dactylus short, reaching 10% of propodus length…............................ L. lihue J.L. Barnard, 1970

- Gnathopod 1 dactylus long, reaching more than 50% of propodus length…................... L. occidentalis Reid, 1951

6. Coxa 3-4 crenulate on distal margin…................................................... L. leptosa Serejo, 1998

- Coxa 3-4 smooth on distal margin….................................................. L. urospinosa Serejo, 1998

7. Gnathopod 1 (males) dactylus longer than basis with strong subtriangular processes…........ L. cheirisierra Serejo, 1998

- Gnathopod 1 (males) dactylus as long or smaller than basis, without strong subrtriangular processes….................. 8

8. Gnathopod 2 (males) basis anteroventral corner projected, propodus two times longer than large …................................................................................................... L. basilobata Serejo, 1998

- Gnathopod 2 (males) basis anteroventral corner not projected, propodus three times longer than large….. L. oxumae sp. nov.

Notes

Published as part of Alves, Jessika, Neves, Elizabeth & Johnsson, Rodrigo, 2020, Two new Amphilochida (Amphipoda: Amphilochidea) associated with the bioinvasive Tubastraea coccinea fromTodos-os-Santos Bay, Bahia State, Brazil, pp. 21-34 in Zootaxa 4743 (1) on page 32, DOI: 10.11646/zootaxa.4743.1.2, http://zenodo.org/record/3687606

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Linked records

Additional details

Biodiversity

Scientific name authorship
Leach
Kingdom
Animalia
Phylum
Arthropoda
Order
Amphipoda
Family
Leucothoidae
Genus
Leucothoe
Taxon rank
genus
Taxonomic concept label
Leucothoe Leach, 1814 sec. Alves, Neves & Johnsson, 2020

References

  • Serejo, C. S. & Siqueira, S. G. L. (2018) Catalogue of the Order Amphipoda from Brazil (Crustacea, Peracarida): Suborders Amphilochidea, Senticaudata and Order Ingolfiellida. Zootaxa, 4431 (1), 1 - 139. https: // doi. org / 10.11646 / zootaxa. 4431.1.1
  • Thomas, J. D. & Klebba, K. N. (2006) Studies of commensal leucothoid amphipods, two new sponge-inhabiting species from south Florida and the Western Caribbean. Journal of Crustacean Biology, 26, 13 - 22. https: // doi. org / 10.1651 / C- 2624.1
  • Thomas, J. D. & Ortiz, M. (1995) Leucothoe laurensi, a new species of leucothoid amphipod from Cuban waters (Crustacea: Amphipoda: Leucothoidae). Proceedings of the biological Society of Washington, 108 (4), 613 - 616.
  • Barnard, J. L. (1970) Sublittoral Gammaridea (Amphipoda) of the Hawaiian Islands. Smithsonian Contributions to Zoology, 34, 1 - 286. https: // doi. org / 10.5479 / si. 00810282.34
  • Reid, D. M. (1951) Report on the Amphipoda (Gammaridea and Caprellidea) of the coast of tropical West Africa. Atlantide Report, 2, 189 - 291.