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The earliest nomenclatural valid work to use the name "Crustacea" was Morten Thrane Brünnich's Zoologiæ Fundamenta in 1772, [42] although he also included chelicerates in the group. [ 41 ] The subphylum Crustacea comprises almost 67,000 described species , [ 43 ] which is thought to be just 1 ⁄ 10 to 1 ⁄ 100 of the total number as most ...
Abludomelita obtusata, an amphipod. Crustaceans (from Latin meaning: "those with shells" or "crusted ones") are invertebrate animals that constitute one group of arthropods that are a part of the subphylum Crustacea (/ k r ə ˈ s t eɪ ʃ ə /), a large, diverse group of mainly aquatic arthropods including decapods (shrimps, prawns, crabs, lobsters and crayfish), seed shrimp, branchiopods ...
Toggle Subphylum Crustacea (Crustaceans) subsection. 4.1 Class †Thylacocephala. 4.2 Class Remipedia. 4.3 Class Branchiopoda. 4.4 Class Cephalocarida. 4.5 Class ...
Crustaceans are members of the sub-phylum Crustacea, a large group of arthropods (55,000 species). They include various familiar animals, such as lobsters , crabs , shrimp and barnacles . They are variously found in marine and freshwater, with a few terrestrial members (such as woodlice ).
Pancrustacea is the clade that comprises all crustaceans and all hexapods (insects and relatives). [2] This grouping is contrary to the Atelocerata hypothesis, in which Hexapoda and Myriapoda are sister taxa, and Crustacea are only more distantly related.
The Cephalocarida are a class in the subphylum Crustacea comprising only 12 species. Both the nauplii and the adults are benthic. [1] They were discovered in 1955 by Howard L. Sanders, [2] and are commonly referred to as horseshoe shrimp. They have been grouped together with the Remipedia in the Xenocarida.
Krill belong to the large arthropod subphylum, the Crustacea. The most familiar and largest group of crustaceans, the class Malacostraca, includes the superorder Eucarida comprising the three orders, Euphausiacea (krill), Decapoda (shrimp, prawns, lobsters, crabs), and the planktonic Amphionidacea. The order Euphausiacea comprises two families.
Eucarida is a superorder of the Malacostraca, a class of the crustacean subphylum, comprising the decapods, krill, and Angustidontida. [2] They are characterised by having the carapace fused to all thoracic segments, and by the possession of stalked eyes .