Contact: John Easton
john.easton@uchospitals.edu
773-322-7380
University of Chicago Medical Center

Head Features Diversified Before Body Shapes and Types

Caption: Two radiations of ray-finned fishes (Actinopterygii), Carboniferous forms (facing left) and acanthomorph teleosts (facing right) underwent distinct cranial (feeding) and later postcranial (habitat) stages in trait diversification.

Credit: (Photographs by Lauren Sallan and Matt Friedman).

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Related news release: 'Head-first' diversity shown to drive vertebrate evolution