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Rapid evolution to terrestrial life in Jamaican crabs
TLDR
Molecular evidence is presented that Jamaican land crabs represent a single adaptive radiation from a marine ancestor that invaded terrestrial habitats only 4 million years ago and probably reflects the Mid-Tertiary inundation of that island.
Evolutionary history of true crabs (Crustacea: Decapoda: Brachyura) and the origin of freshwater crabs.
TLDR
This work reconstructs the most comprehensive phylogeny of Brachyura to date using sequence data of six nuclear protein-coding genes and two mitochondrial rRNA genes from more than 140 species belonging to 58 families, and confirms that the "Podotremata," are paraphyletic.
GLYPTOGRAPSIDAE, A NEW BRACHYURAN FAMILY FROM CENTRAL AMERICA: LARVAL AND ADULT MORPHOLOGY, AND A MOLECULAR PHYLOGENY OF THE GRAPSOIDEA
TLDR
A molecular phylogeny of the Grapsoidea, based on 16S mtDNA and including type genera of the five recognized families, confirms that the species of Glyptograpsus and Platychirograpsu together form a well-defined monophyletic unit that is distinct from all other taxa within the Grapevine.
Disjunct distribution of the Mediterranean freshwater crab Potamon fluviatile—natural expansion or human introduction?
TLDR
It is argued that the freshwater crab Potamon fluviatile, which has a disjunct distribution on the Balkan Peninsula, Italy, Sicily and Malta, should be included in the national conservation management in Italy.
A reconstruction of the invasion of land by Jamaican crabs (Grapsidae: Sesarminae)
TLDR
The results support general life-history hypotheses (‘safe harbour’ hypothesis) that predict the evolution of large eggs if postembryonic stages face high risk of mortality, but not the predicted positive relationship between egg size and instantaneous egg stage mortality.
Molecular phylogeny, taxonomy, and evolution of nonmarine lineages within the American grapsoid crabs (Crustacea: brachyura).
TLDR
To resolve phylogenetic relationships among these highly adaptive crabs, portions of the mitochondrial genome corresponding to the 16S rRNA gene were sequenced for all grapsoid genera occurring in America and the resulting phylogeny confirms most of the present grapsid subfamilies but suggests reclassification of some of the genera and recognition of new taxonomic units.
Identification of a cryptic lineage within Potamon fluviatile (Herbst) (Crustacea : Brachyura : Potamidae)
TLDR
Based on mitochondrial and nuclear DNA-sequence data, an evolutionary separate lineage is identified and described (Potamon pelops, sp. nov.) within the potamid freshwater crab species Potamon fluviatile (Herbst, 1785).
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