SANTINI, F.; University of Toronto: The importance of highly incomplete fossil taxa in reconstructing phylogenetic relationships for various clades of acanthomorph fishes (Zeiformes, Caproiformes and Tetraodontiformes: Teleostei: Pisces) The use of fossils in phylogenetics has traditionally been a contentious issue. Fossils usually are incomplete, and their use commonly leads to an increase in the number […]

YBAZETA, Gustavo; BAKER, Allan J.; Univ. of Toronto – Dept. of Zoology. ROM – CBCB; Univ. of Toronto – Dept. of Zoology. ROM – CBCB: Molecular biogeography of galaxiid fishes deduced using a Bayesian approach and a semi-parametric molecular clock The galaxids are a group of freshwater fish with a Gondwanan geographical distribution. This distribution […]

BARRIGA-SOSA, Irene D. L. A.; Universidad Autonoma Metropolitana-Iztapalapa: Genetic variability of the white fish Chirostoma (Pisces: Atherinopsidae) as revealed by mtDNA genes. The white fish species “Chirostoma estor, C. humboldtianum, C. lucius, C. promelas” and “C. sphyraena” are of great economical, ichtyological and ecological relevance to the local populations of Patzcuaro and Chapala lakes, M�xico. […]