Chordate Zoology - Textbook - Y. V. Tsaryk - 2013
Chapter 4. DIVISION GNATHOSTOMES, or ECTOBRANCHIATES, GNATHOSTOMATA, seu ECTОBRANCHIATA. SUPERCLASS FISHES PISCES
4.1. CLASS CARTILAGINOUS FISHES CHONDRICHTHYES
4.1.4. Systematics
Modern cartilaginous Fishes are represented by two subclasses: elasmobranchs and holocephalans, or chimaeras.
Last update: 19/08/2026
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