Evolutionary History of True Crabs (Crustacea: Decapoda: Brachyura) and the Origin of Freshwater Crabs
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The Oldest Higher True Crabs (crustacea: Decapoda: Brachyura): Insights from the Early Cretaceous of the Americas
Despite the extensive fossil record of higher crabs (Eubrachyura) from Late Cretaceous and Cenozoic rocks worldwide, their Early Cretaceous occurrences are scarce and fragmentary, obscuring our understanding of their early evolution. Until now, representatives of only two families of eubrachyuran-like crabs were known from the Early Cretaceous: Componocancridae and Tepexicarcinidae fam. nov., b...
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Freshwater crab sister group relationships with marine eubrachyuran families were investigated[ A morphology!based cladistic analysis was conducted on representatives of the freshwater crab families Deckeniidae\ Gecarcinucidae\ Parathelphusidae\ Potamidae\ Potamonautidae\ Pseudothelphusidae\ and Trichodactylidae using a disparate assemblage of marine heterotreme and thoracotreme brachyurans as ...
متن کاملEcomorphology of crabs and swimming crabs (Crustacea Decapoda Brachyura) from coastal ecosystems
Brachyuran crabs are one of the most diverse taxa of crustaceans, occurring in almost all coastal habitats. Due to their high morphological diversification, the authors sought to ascertain the existence of morphological patterns related to the habitat of coastal brachyuran crabs. We analyzed 17 species from mangrove forests, rocky shores, sandy beaches and exclusively aquatic marine/estuarine e...
متن کاملInsular species of Afrotropical freshwater crabs (Crustacea: Decapoda: Brachyura: Potamonautidae and Potamidae) with special reference to Madagascar and the Seychelles
The evolutionary relationships between island and mainland faunas of the 24 species of insular freshwater crabs in the Afrotropical region are reviewed in the light of phylogenetic studies. Twenty insular species of freshwater crabs are endemic, and four are also found on the neighboring mainland of Africa. The Atlantic Ocean islands of Sherbro, Bioko, Príncipe, and São Tomé support five specie...
متن کاملCymonomid crabs of the MAINBAZA Expedition (Decapoda: Brachyura).
Cymonomid crabs collected from the Mozambique Channel off Madagascar by the 2011 MAINBAZA Expedition are reported. Two species of Cymonomus A. Milne Edwards, 1880, are represented, of which one is new to science and the other, C. valdiviae Lankester, 1903, is rediscovered, being previously known only from the holotype. Three species of Cymonomidae are now known from the western Indian Ocean, in...
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ژورنال
عنوان ژورنال: Molecular Biology and Evolution
سال: 2014
ISSN: 1537-1719,0737-4038
DOI: 10.1093/molbev/msu068