Schubart et al.: DNA sequences of swimming crabs Callinectes bocourti and C. maracaiboensis 
481 
Menippe adina and M. mercenaria. Evolution 52:1671- 
1678. 
Schubart, C. D., J. A. Cuesta, and A. Rodriguez. 
In press. Molecular phylogeny of the crab genus Brachyno- 
tus (Brachyura: Varunidae) based on the 16S rRNA gene. 
Hydrobiologia. 
Schubart, C. D., J. E. Neigel and D. L. Felder. 
2000. The use of the mitochondrial 16S rRNA gene for phy- 
logenetic and population studies of Crustacea. In The bio- 
diversity crisis and Crustacea. Proceedings of the fourth 
international crustacean congress, Amsterdam, Netherlands, 
20-24 July 1998, vol. 2. Crustacean Issues 12:817-830. 
Schubart, C. D., J. Reimer, and R. Diesel. 
1998. Morphological and molecular evidence for a new 
endemic freshwater crab, Sesarma ayatum sp. n.’ (Grap- 
sidae, Sesarminae) from eastern Jamaica. Zool. Scr. 
27:373-380. 
Swofford, D. L. 
1993. Phylogenetic analysis using parsimony (PAUP), ver- 
sion 3.1.1. Univ. Illinois, Champaign, IL. 
Taissoun, E. 
1969. Las especies de cangrejos del genero Callinectes ( Brach- 
yura) en el Golfo de Venezuela y Lago de Maracaibo. 
Bol. Centro Invest. Biol. Univ. Zulia. 2:1-102. 
1972. Estudio comparative, taxonomico y ecologico entre 
los cangrejos (Decapoda: Brachyura: Portunidae), Call- 
inectes maracaiboensis (nueva especie), C. bocourti (A. 
Milne Edwards) y C. rathbunae (Contreras) en el Golfo 
de Venezuela, Lago de Maracaibo y Golfo de Mexico. Bol. 
Centro Invest. Biol. Univ. Zulia 6:7-46. 
Williams, A. B. 
1974. The swimming crabs of the genus Callinectes. Fish. 
Bull. 72:685-798. 
1978. True crabs. In FAO species identification sheet for 
fishery purposes: western central Atlantic (fishing area 31), 
vol. 6 (W. Fischer, ed.), unpaginated. Food and Agricul- 
tural Organization of the United Nations, Rome. 
1984. Shrimps, lobsters, and crabs of the Atlantic Coast of 
the eastern United States, Maine to Florida. Smithsonian 
Institution Press, Washington D.C., xviii+550 p. 
Wilson, K. A„ K. L. Heck Jr., and K. W. Abele. 
1987. Juvenile blue crab, Callinectes sapidus, survival: An 
evaluation of eelgrass, Zostera marina, as refuge. Fish. 
Bull. 85:53-58. 
