Co-evolution of the premaxilla and jaw protrusion in cichlid fishes (Heroine: Cichlidae)
β Scribed by C. DARRIN HULSEY; PHILLIP R. HOLLINGSWORTH; ROI HOLZMAN
- Book ID
- 110774032
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 803 KB
- Volume
- 100
- Category
- Article
- ISSN
- 1095-8312
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## Abstract This study reveals the existence of four distinct but genetically related types of upper jaw mechanisms: 1. The nonβprotractile, with no mechanism for the protrusion of the preβmaxillae. The maxillaries form part of the upper margin of the mouth, as in Isospondyli, Apodes and Haplomi.
The majority of Middle American cichlids are placed in the informal assemblage 'Cichlasoma.' The group is divided into eight sections which appear to be based primarily on trophic morphology. Although several members of 'Cichlasoma' have been used in ecomorphological, behavioral, and biogeographic s