| ARCH | SHARK | TELEOST | FROG | REPTILE | MAMMAL | 
| I | Meckel’s = Mandibular Cartilage | Articular | Articular | Articular | Malleus | 
|  | Pterygoquadrate = Palatoquadrate | Quadrate, Epipterygoid | Quadrate | Quadrate, Epipterygoid | Incus, Alisphenoid | 
| II | Hyomandibula | Hyomandibula | Columella | Stapes | Stapes | 
|  | Ceratohyal | Ceratohyal ETC. | Hyoid | Hyoid | Hyoid | 
|  | Basihyal |  | Hyoid | Hyoid | Hyoid | 
| III | Branchial Skeleton (Includes: Pharyngobranchial; Epibranchial; Ceratobranchial; Hypobranchial; Basibranchial) | BS | Hyoid | Hyoid | Hyoid | 
| IV | Branchial Skeleton | BS | Hyoid | Hyoid | Larynx | 
| V | Branchial Skeleton | BS | Larynx | Larynx | Larynx | 
| VI | Branchial Skeleton | BS | Absent | Absent | Absent | 
| VII | Branchial Skeleton | BS | Absent | Absent | Absent |