Appendages and supporting girdles: pectoral and pelvic.
Available at Inhabitance of Ancient Seas: Cartilaginous fish (Sharks). Marlee J. De Vries, 2234552.
Review – Geological Time Scale. Refer to pink sheet in NB: 2 Questions: 1. Put the following organisms in order from those that appeared first on Earth.
Living fishes The living fishes (not a monophyletic group) include: the jawless fishes (e.g. lampeys), the jawless fishes (e.g. lampeys), cartilaginous.
Mechanism of Evolution Biogeography- the study of where organisms live now and where they and their ancestors lived in the past.
