Antarctica
Guides
Branchinecta
fairy shrimp
Branchinecta is a genus of fairy shrimp (Anostraca) comprising approximately 50 species distributed across all continents except Australia. The genus includes the largest anostracan, Branchinecta gigas, reaching up to 10 cm in length, and the highest-altitude crustacean, B. brushi, recorded at 5,930 m elevation. Species occupy diverse temporary freshwater habitats from Arctic and Antarctic regions to high-elevation Andean pools. Two species, B. gaini and B. granulosa, have been synonymized based on molecular evidence showing insufficient genetic differentiation.
Centropagidae
Centropagidae is a family of calanoid copepods comprising 14 genera and over 130 species. Members occupy diverse aquatic habitats including marine coastal waters, freshwater lakes, and saline lakes across the Southern Hemisphere, with notable concentrations in Australia, southern South America, subantarctic islands, and Antarctica. The family exhibits significant habitat diversity: marine genera include Centropages, Dussartopages, and Gladioferens; freshwater genera include Boeckella, Calamoecia, and Hemiboeckella. The genus Boeckella poppei represents the only terrestrial/freshwater invertebrate reported from all three main Antarctic biogeographic regions (subantarctic islands, maritime Antarctic, and continental Antarctic).
Flexamia huroni
Huron River Leafhopper
Flexamia huroni is a leafhopper species in the family Cicadellidae, described by Bess & Hamilton in 1999. It belongs to the genus Flexamia, a group of leafhoppers known for their specialized host plant associations with grasses. The species is named after the Huron River in Michigan, where it was first collected. Like other members of the genus, it likely exhibits strong ecological dependence on specific grass host plants.
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