The pelvic fins of certain fishare located below the pectoral fins or further forward ahead of the pectoral fins. It makes sense that pelvic fins set further forward must be the derived condition. After all, placoderms, sharks, lobe fins and spiny sharks all have pelvic fins in the usual spot: posterior to and below a…
The Evolution of Fishes through Geological Time (Chapter 1
Three times the pelvic fin of ray-fin fish migrated back to the
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Virginia Tech Ichthyology Class : November 2015
Pelvic Fin - an overview
The Evolution of Fishes through Geological Time (Chapter 1
