A Survey of Perciform Otoliths and their Interest for Phylogenetic Analysis, with an Iconographic Synopsis of the Percoidei
Abstract:Examples of (1) affinities suggested by otolith morphology between perciform taxa previously thought to be only distantly related and (2) strongly divergent otolith morphologies within perciform taxa presumed to be homogeneous are given. These examples are intended as pointers to the selection for osteological or anatomical study of particular groups that might otherwise be taken for granted. Such anatomical studies could provide useful tests for the systematic value of otolith features. Some published cladograms, constructed without otolith features, are here tested against otolith morphology. Percoid otoliths are considered to have a very conservative Bauplan sharing features with clopiform and even osteoglossiform fishes. Holocentrids are here proposed as the plesiomorphic sister group of percoids. In the appendix, an iconographic synopsis of otolith morphologies is provided for all families of the suborder Percoidei, as a data bank for rapid consultation.
Document Type: Research Article
Publication date: 1993-01-01
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