Difference between revisions of "Osteoglossiformes"

Latest revision as of 13:18, 19 November 2010

Osteoglossum bicirrhosum

Osteoglossiformes: Intestine passes posteriorly to left of esophagus and stomach; parasphenoid and tounge bones usually with well-developed teeth and forming a shearing bite (mesopterygoid and usually the ectopterygoid also toothed); premaxilla small and fixed to the skull; no supramaxilla; caudal fin skeleton, except in Hiodon, with large first ural centrum and no urodermals, one or more epurals fused with uroneurals; caudal fin with 16 or fewer branched rays; nasal capsule rigid, no antorbital-supraorbital system for pumping water over olfactory epithelium; epipleural intermuscular bones absent; one or two pyloric caeca, one caecum in Hiodon and Pantodon and two in other osteoglossiforms.

• See Fishbase

Families in this order:

• Arapaimidae
• Gymnarchidae
• Hiodontidae
• Mormyridae
• Notopteridae
• Osteoglossidae
• Pantodontidae