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Crab - Wikipedia
WEBCrabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting tail-like abdomen, usually hidden entirely under the thorax (brachyura …
Evolutionary History of True Crabs (Crustacea: Decapoda: Brachyura…
WEBFeb 11, 2014 · Crabs of the infra-order Brachyura are one of the most diverse groups of crustaceans with approximately 7,000 described species in 98 families, occurring in marine, freshwater, and terrestrial habitats.
Insights into the evolution of Brachyura (Crustacea: Decapoda) …
WEBFeb 15, 2021 · The crustacean decapod infraorder Brachyura (true crabs), whose origin has been dated to the early to mid-Jurassic [1, 2], is one of the most species-rich and highly derived groups among extant crustaceans with over …
Morphological diversity in true and false crabs reveals the ...
WEBApr 15, 2024 · Brachyura and Anomala (or Anomura), also referred to as true and false crabs, form the species-rich and globally abundant group of Meiura, an ingroup of …
Crab | Marine, Edible & Adaptable Crustacean | Britannica
WEBAug 25, 2024 · Crab, any short-tailed member of the crustacean order Decapoda (phylum Arthropoda)—especially the brachyurans (infraorder Brachyura), or true crabs, but also …
True Crabs (Infraorder Brachyura) - iNaturalist
WEBCrabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) (Greek: βραχύς, translit. brachys = short, οὐρά / οura = tail), usually entirely hidden under the thorax.
A 150-million-year-old crab larva and its implications for the early ...
WEBMar 9, 2015 · Among decapod crustaceans, true crabs (Brachyura) are by far the most successful evolutionary lineage. With approximately 7,000 extant species 1, 2, they …
Brachyura crabs - Coral Reefs - Ecology Center
WEBApr 17, 2023 · The name Brachyura, means 'short-tail' and refers to the characteristic feature of crabs—a short abdomen that is tucked beneath the body. Crabs occur in every reef habitat, and some species occasionally enter the water column as hitchhikers on jellyfish or among floating algae or debris.
The oldest higher true crabs (Crustacea: Decapoda: Brachyura): …
WEBOct 30, 2014 · True crabs (Brachyura) are the most derived clade of decapod crustaceans and exhibit an astonishing diversity of body plans not seen among other decapods. The most debatable trait for grouping brachyurans is the position of the female's sexual openings, either at the base of the legs (= podotremes) or at the thoracic sternum (= eubrachyurans ...
Crabs, Brachyura - SpringerLink
WEBJan 1, 2021 · Crabs, Brachyura – suborder of invertebrates of the decapod crustacean order. The head is small with eyestalks. Cephalothorax is broad, and width of chest shield varies from 2 to 20 cm.
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