Testing morphologically based phylogenetic theories within the cartilaginous fishes with molecular data, with special reference to the catshark family (Chondrichthyes; Scyliorhinidae) and the interrelationships within them
SHARKS AND RAYS (CHONDRICHTHYES)
Chondrichthyes fishes
Subclass Chondrichthyes. Infraclass Elasmobranchii
Sharks and Rays (Chondrichthyes)
Checklist of Philippine chondrichthyes
Subclass Chondrichthyes. Infraclass Holocephali
Evolution and diversity of the Chondrichthyes [PDF]