Lizard | Turtle | Crocodile | Bird | Mammal | |
---|---|---|---|---|---|
Short left visceral aorta | ✓ | ✓ | ✓ | ×a | × |
Short right systemic aorta | ✓ | ✓ | ✓ | ✓ | × |
Long aortic trunk, bifurcating | × | × | × | × | ✓ |
Unseptated outflow tract | ✓ | ✓ | × | × | × |
Completely septated ventricles | × | × | ✓a | ✓ | ✓ |
Parietal OFT cushion in conus | × | ×b | ✓ | ✓ | ✓ |
SHF in PAA4 and PAA6 flow divider | ✓ | ✓ | ✓ | ×b | ✓ |
AP septal complex | × | × | × | ✓c | ✓d |
NCC in muscular AP septum | × | × | ✓e | ✓ | ✓ |
NCC (TFAP2α) in PAA3 | × | ✓ | ✓f | nd | nd |
Foramen of Panizza (FOP) | × | × | ✓g | × | × |