Dichotomous Key/Hirudinea
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< Dichotomous Key(Redirected from Dichotomous Key:Hirudinea)
| Dichotomous Key: Annelida | |||||||
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[edit] 1
- Reversible proboscis
- Present - #3: Rhynchobdellae
- Not present - #2:Arhynchobdellae
[edit] 2
- Teeth
- Present - Gnathobdellae
- Not present - Pharyngobdellae
[edit] 3: Rhynchobdellae
- Body shape
- Flat - Glossiphoniidae
- Cylindrical - Pisciolidae
