Taxonomy of family Gnathophausiidae (Crustacea: Lophogastrida)

Taxonomy of family Gnathophausiidae (Crustacea: Lophogastrida) In 1941, Fage (1941), referring to the shape of carapace, antennal scale, epimeral plates of sixth abdominal somite and structure of maxilliped, proposed three groups of species in the genus Gnathophausia, but did not give these groups taxonomical status. On the basis of new comparative morphological analysis, a valid genus is established for each group, and thus the family Gnathophausiidae now includes three genera: Fagegnathophausia gen. nov., Gnathophausia Willemoes-Suhm, 1873 and Neognathophausia Petryashov, 1992. Fagegnathophausia gen. nov. differs from the other two genera by sharply serrated median dorsal keel of carapace, presence of dorsal spiniferous ridge by the rostrum base, longer basal segment of maxillula endopod, which is three times as long as distal segment, wider oval distal segment of maxillula endopod, presence of large spatulate exopod on maxilliped, differentiated pereopodal dactyli, which are cone-shaped on pereopods 2–3 and stylet-shaped on pereopods 4–8, presence of spines on the inner margin of uropodal sympodite and crown shaped apex of telson. Russian Journal of Marine Biology Springer Journals

Taxonomy of family Gnathophausiidae (Crustacea: Lophogastrida)

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Pleiades Publishing
Copyright © 2015 by Pleiades Publishing, Ltd.
Life Sciences; Freshwater & Marine Ecology
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