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The snapping shrimp genus Alpheus from the eastern Pacific (Decapoda, Caridea, Alpheidae)
TLDR
Forty-four species of Alpheus are reported from the eastern Pacific, with the greatest number of species found in the subregion between about 12°N and 2°N (Costa Rica, Panama, Colombia) with the number decreasing north and south of this subregion.
Crustacean phylogeny inferred from 18S rDNA
Resolution concerning issues of higher-order crustacean phylogeny remains elusive even after years of thorough morphological and palaeontological scrutiny. Surprisingly, there is as yet no consensus
A review of the Grapsid crab genus Sesarma (Crustacea: Decapoda: Grapsidae) in America, with the description of a new genus
TLDR
The genus Sesarma is here restricted to the Americas, and the following species are assigned to this genus: reticulatum (the type species), crassipes, curacaoense, rectum, bidentatum, jarvisi, cookei, verleyi, aequatoriale, sulcatum, rhizophorae, and rubinofforum.
THE MONOPHYLY OF BRACHYURAN CRABS: A PHYLOGENETIC STUDY BASED ON 18S rRNA
TLDR
Results from sequence-divergence estimates and phylogenies inferred by maximum parsimony analyses of aligned sequences suggest that the Raninidae demarcate the lower limit of the Brachyura and form a distinct lineage that diverged early from the lineage leading to other members of this infraorder.
Peracarid monophyly and interordinal phylogeny inferred from nuclear small-subunit ribosomal DNA sequences (Crustacea: Malacostraca: Peracarida)
TLDR
The present phylogenetic study of peracarids is, to the authors' knowledge, the first that includes full-length nuclear (n) small-subunit (SSU) ribosomal DNA (rDNA) sequences for representatives of everyperacarid order.
Island Biogeography Theory and Conservation Practice
TLDR
The application of island biogeography theory to conservation practice is premature because a major conclusion of such applications—that refuges should always consist of the largest possible single area—can be incorrect under a variety of biologically feasible conditions.
Phylogenetic Study of Cirripedes and Selected Relatives (Thecostraca) Based on 18s Rdna Sequence Analysis
TLDR
It is concluded that the Thecostraca, represented here by the subclasses Ascothoracida and Cirripedia (the latter including the Acrothoracica, Rhizocephala, and Thoracica), is a monophyletic taxon.
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