Branchiopoda

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Related to branchiopods: Foraminifera

Branchiopoda

the most primitive class of Crustacea including the fairy shrimp Chirocephalus and the water flea Daphnia.
References in periodicals archive ?
There are also similarities in respect of branchiopods between the Mpumalanga pans and turbid clay pans in Australia (Hancock & Timms 2002), ponds in Oxfordshire (UK) (Collinson et al.
Because the brain anatomy of branchiopods is much simpler than that of malacostracans, they have been regarded as the more likely ancestors of the arthropod lineage that would give rise to insects.
Strausfeld said: "There have been all sorts of implications why branchiopods shouldn't be the ancestors of insects.
Branchiopods dominated by Cyclestheria hislopi (Baird, 1859), Leydigiopsis curvirostris Sars, 1901, Alona ossiani Sinev, 1998 in main water (S1A).
As a group, branchiopods are united by the presence of gills on their legs and various appendages used for swimming.
While collecting amphibians, particularly in ephemeral and seasonal pools, I commonly encountered representatives of the three orders of branchiopods (Conchostraca, Notostraca, and Anostraca).
The genus Biapertura was proposed by Smirnov (1971) to contain alonid branchiopods with two main pores connected on the headshield.
Horne (1967) surveyed branchiopods throughout Wyoming, and found diverse communities at most sites.
We have also obtained partial sequences of phenoloxidases from the branchiopods Triops longicaudatus and Artemia franciscana, crustaceans that synthesize extracellular hemoglobin for oxygen transport.
The zooplankton of the tundra waters (here taken to include all the heterotrophic organisms that live in lakes and pools in the tundra, whether in suspension or fixed to the substrate) is highly varied and includes representatives of the same taxonomic groups as the waters of temperate areas; protoctists, rotifers, and some groups of crustaceans, such as filter-feeding branchiopods (fairy shrimps and water fleas), peracarids, and copepods.
Thus, the cardiac pacemaker mechanism of branchiopods is still uncertain.