Dichotomous Key/Chordata
|
|
1
edit2
edit- Feeding method
- Filter - Urochordata
- Jawless, sucking mouth - Myxini
3
edit- No options yet
4
edit- Jaw
- Present - #5
- Not present - Petromyzontidae
5
edit- Skeletal material
- Cartilage - Chondrichthyes
- Bone - #6
6
edit7
edit8
edit9
edit10
edit- Fins
- Lobed - #11: Sarcopterygii
- Rayed - Actinopterygii
11: Sarcopterygii
edit- Ability to breathe air
- Present - Dipnoi
- Not present - Actinistia