| 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 |