Radiation of Non-Amniotic Tetrapods Flashcards
1
Q
(3) Orders of Sarcopterygian
A
- Porolepiformes
- Osteolepiformes (Pectoral fins lead to shoulder girdle)
- Elpistostegidae (Tiktaalik, nearest relative to tetrapods)
2
Q
Ceratobranchials
A
- Middle pair of gill arches
- Accommodate arteries to send blood to gills in modern fishes
3
Q
(4) Devonian Tetropods
A
- Stem Tetrapods
- Crassygyrinidae
- Colosteids/Baphetids
- Temnospondyls
- Lepospondyls
