Dichotomous Key/Testudines

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Dichotomous Key
Testudines
Kingdom Animalia
Phylum Chordata
Subphylum Vertebrata
Class Reptilia
Order Testudines

1

2: Casichelydia

  • Head retraction
    • Head can not be fully placed inside shell - Chelydridae
    • Head can be fully placed inside shell - #3