Homologies Flashcards
Occipital bones: Fishes (Teleosts)
Supraoccipital
Exoccipital
Basioccipital
Occipital Bones: Amphibians
Supraoccipital
Exoccipital
Basioccipital
Occipital Bones: Reptiles/Birds
Supraoccipital
Exoccipital
Basioccipital
Occipital Bones: Mammals
Occipital Bone:
- Supraoccipital
- Exoccipital
- Basioccipital
FISHES Sphenoid Bones:
- Sphenethmoid
- Orbitosphenoid
- Basisphenoid
- Pleurosphenoid
Sphenethmoid
Orbitosphenoid
Basisphenoid
Pleurosphenoid
AMPHIBIANS Sphenoid Bones:
- Sphenethmoid
- Orbitosphenoid
- Basisphenoid
- Pleurosphenoid
Sphenethmoid
Orbitosphenoid
Basisphenoid
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REPTILES/BIRDS Sphenoid Bones:
- Sphenethmoid
- Orbitosphenoid
- Basisphenoid
- Pleurosphenoid
Sphenethmoid
Orbitosphenoid
Basisphenoid
Pleurosphenoid: Present in CROCODILIANS and AMPHISBANIANS
MAMMALS Sphenoid Bones:
- Sphenethmoid
- Orbitosphenoid
- Basisphenoid
- Pleurosphenoid
Sphenoid:
- Presphenoid
- Orbitosphenoid
- Basisphenoid
- ABSENT
SHARKS Arch 1: Lower Mandibular Arch
Meckel’s cartilage
TELEOSTS Arch 1: Lower Mandibular Arch
Articular
AMPHIBIANS Arch 1: Lower Mandibular Arch
Articular
REPTILES/BIRDS Arch 1: Lower Mandibular Arch
Articular
MAMMALS Arch 1: Lower Mandibular Arch
Malleus
SHARKS Arch 1: Upper Mandibular Arch
Palatoquadrate
TELEOSTS Arch 1: Upper Mandibular Arch
Quadrate
Epipterygoid