From: Outflow tract septation and the aortic arch system in reptiles: lessons for understanding the mammalian heart
Chicken
Anolis
Pelodiscus
Alligator
Hamburger
Sanger
Tokita
Ferguson
19/20
12
10
22
6
24
7
13
25/26
8
15
14
27
16
28–30
9/10
18
17
31/32
11
19
33/35
20/21