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Dichotomous Key/Hirudinea

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< Dichotomous Key

Dichotomous Key: Annelida

Order
Kingdom: Animalia
Phylum: Annelida
Annelida keys
Gnathobdellae \| Pharyngobdellae
Family
Order:Rhynchobdellae: Glossiphoniidae \| Pisciolidae

1

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Reversible proboscis
- Present - #3: Rhynchobdellae
- Not present - #2:Arhynchobdellae

2

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Teeth
- Present - Gnathobdellae
- Not present - Pharyngobdellae

3: Rhynchobdellae

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Body shape
- Flat - Glossiphoniidae
- Cylindrical - Pisciolidae

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Book:Dichotomous Key