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{{Short description|Pancrustacean superclass}}
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Revision as of 21:23, 4 March 2024


Allotriocarida is one of three superclasses of Pancrustacea, alongside its sister clade Multicrustacea and Oligostraca. Allotriocarida consists of the subphylum Hexapoda (Insects & their close relatives), as well as 3 non-hexapod classes, Remipedia, Cephalocarida and Branchiopoda.[1]

History

The idea of hexapods being terrestial crustaceans is relatively recent, coming from a 2005 molecular analysis study. Allotriocarida was not yet named, instead referred to as 'Clade #33'.[2] This is now much more widely accepted than the Atelocerata arthropod classification (the proposition that hexapods and myriapods are more closely related to each other than they are to the multicrustacea).

A 2013 study restructured the relationships within Pancrustacea, and proposed the name Allotriocarida ('allotrio' meaning strange and 'carida' meaning shrimp[3] [4]). The most recent study of Allotriocarida in 2019 provides additional evidence that suggests that Remipedia is more closely related to Hexapoda than Chephalocarida and Branchiopoda. [5]

References