Please use this identifier to cite or link to this item: https://doi.org/10.1007/s002270000325
Title: Molecular phylogeny of mud crabs (Brachyura: Panopeidae) from the northwestern Atlantic and the role of morphological stasis and convergence
Authors: Schubart, C.D. 
Neigel, J.E.
Felder, D.L.
Issue Date: Aug-2000
Citation: Schubart, C.D., Neigel, J.E., Felder, D.L. (2000-08). Molecular phylogeny of mud crabs (Brachyura: Panopeidae) from the northwestern Atlantic and the role of morphological stasis and convergence. Marine Biology 137 (1) : 11-18. ScholarBank@NUS Repository. https://doi.org/10.1007/s002270000325
Abstract: Mud crabs of the family Panopeidae are common organisms in coastal soft-bottom, vegetated, rubble, and oyster-bed communities along the temperate and tropical coastlines of the American continent. Similar morphology among many species renders their distinction and classification difficult. Here, we present phylogenies of western Atlantic Panopeidae based on DNA sequences of the mitochondrial large subunit rRNA (16S; 529 basepairs) and cytochrome oxidase I (COI; 640 basepairs) genes. Results suggest that the speciose genera Panopeus and Eurypanopeus are not monophyletic and that their taxonomy does not accurately reflect evolutionary partitions. In two cases (P. herbstii complex and E. depressus and allies), the molecular findings strongly support sister-species relationships that differ from previous morphology-based assumptions. We suggest that convergence or morphological stasis are responsible for the phenotypic similarities between divergent evolutionary lineages.
Source Title: Marine Biology
URI: http://scholarbank.nus.edu.sg/handle/10635/101148
ISSN: 00253162
DOI: 10.1007/s002270000325
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