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Issue: Vol. 1948 No. 1: 3 Dec. 2008
Type: Article
Published: 2008-12-03
DOI: 10.11646/zootaxa.1948.1.2
Page range: 36–56
Abstract views: 25
PDF downloaded: 2

Phylogenetic assessment of ultrastructural and histological characters of teeth in the Anostomoidea, Hemiodontidae and Parodontidae (Teleostei: Ostariophysi: Characiformes)

Animal Science and Veterinary Laboratory. Hebrew University of Jerusalém. Faculty of Agricultural, food and Environmental Quality Sciences. Rehovot 76100, Israel
Setor de Peixes. Museu de Ciências e Tecnologia da Pontifícia Universidade do Rio Grande do Sul. Av. Ipiranga 6681. 90619-900. Porto Alegre, Brazil
Fish Neotropical fishes SEM apatite crystals

Abstract

The ultrastructure and histology of teeth of members of the order Characiformes, in conjunction with the examination of cleared and stained sections and teeth, revealed characters pertinent to understanding the relationships among the Anostomoidea (Curimatidae, Prochilodontidae, Anostomidae, and Chilodontidae), Hemiodontidae, and Parodontidae. The superimposition of these characters onto cladograms of Characiform phylogeny based on morphological and molecular characters confirmed the monophyly of the Anostomoidea, but resulted in conflicting interpretations concerning the relationships of the Hemiodontidae and Parodontidae.

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