Is a crocodile and snake more closely related to each other than a fish and dolphin or birds and bat?

Snake

Kingdom: Animalia

Phylum: Chordata

Class: Reptilia

Order: Squamata

Superfamily: Varanoidea

(unranked): Pythonomorpha

Suborder: Serpentes

Linnaeus, 1758

Crocodiles

Kingdom: Animalia

Phylum: Chordata

Class: Reptilia

(unranked): Neosuchia

Order: Crocodylia

Superfamily: Crocodyloidea

Family: Crocodylidae

Cuvier, 1807

Frog

Kingdom: Animalia

Phylum: Chordata

Class: Amphibia

Subclass: Lissamphibia

Order: Anura