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Gammaridea

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Gammaridea
Eusirus holmi
(Eusiroidea: Eusiridae)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Amphipoda
Suborder: Gammaridea
Latreille, 1802

Gammaridea was one of the suborders of the order Amphipoda, comprising small, shrimp-like crustaceans. In a traditional classification, it encompassed about 7,275 (92%) of the 7,900 species of amphipods described by then, in approximately 1,000 genera, divided among around 125 families.[1] That concept of Gammaridea included almost all freshwater amphipods, while most of the members still were marine.

The group is however considered paraphyletic, and was deconstructed in a series of papers by the amphipod taxonomists James K. Lowry and Alan A. Myers. In 2003 they moved several families from Gammaridea to join members of the former Caprellidea in a new suborder Corophiidea.[2] Further, in 2013 another large suborder Senticaudata was established, which would encompass much of the original Gammaridea, particularly its freshwater families, and into which also the Corophiidea was merged.[3][4] The remaining 85 Gammaridea families, of superfamilies Liljeborgioidea, Lysianassoidea and Eusiroidea were rearranged to the new suborder Amphilochoidea in the final subordinal revision (2017), which no more recognizes Gammaridea as a taxon.[5][6]

References

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  1. ^ John M. Foster; Sarah E. LeCroy; Richard W. Heard; Rita Vargas (2009). "Gammaridean amphipods". In Ingo S. Wehrtmann; Jorge Cortés (eds.). Marine Biodiversity of Costa Rica, Central America. Monographiae Biologicae. Vol. 86. Springer. pp. 265–274. ISBN 978-1-4020-8277-1.
  2. ^ A. A. Myers & J. K. Lowry (2003). "A phylogeny and a new classification of the Corophiidea Leach, 1814 (Amphipoda)". Journal of Crustacean Biology 23 (2): 443–485. doi:10.1651/0278-0372
  3. ^ Lowry, J.K. & Myers, A.A. (2013) A Phylogeny and Classification of the Senticaudata subord. nov. (Crustacea: Amphipoda). Zootaxa 3610 (1): 1-80.
  4. ^ Senticaudata WoRMS
  5. ^ Lowry, J.K.; Myers, A.A. (2017). "A Phylogeny and Classification of the Amphipoda with the establishment of the new order Ingolfiellida (Crustacea: Peracarida)". Zootaxa. 4265 (1). Magnolia Press: 001–089. doi:10.11646/zootaxa.4265.1.1. PMID 28610392.
  6. ^ World Amphipoda Database. Horton, T.; Lowry, J.; De Broyer, C.; et al. (eds.). "Introduction". World Register of Marine Species. Retrieved 9 January 2025.
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