Da
Daboia Gray, 1842
- Daboia deserti (Anderson, 1892) [1]
- Daboia mauritanica (Duméril & Bibron, 1848) [1]
- Daboia palaestinae (Werner, 1938) [1]
- Daboia russelii (Shaw & Nodder, 1797) [1]
- Daboia siamensis (Smith, 1917) [1]
Reptilia → Squamata → Viperidae → Viperinae
- Dactylocnemis
- Dactyloidae
- Dalmatolacerta
- Dalophia
- Darevskia
- Dasia
- Dasypeltis
De
- Deinagkistrodon
†Deinosuchus Holland 1909
- †Deinosuchus riograndensis Colbert and Bird 1954
- †Deinosuchus rugosus Emmons 1858
- Deirochelys
- Delma
- Demansia
- Dendragama
- Dendrelaphis
- Dendroaspis
Red Dendrobatae Wiegmann 1834
- Pleurodontes Wagler 1830 [2]
Animalia → Chordata → Reptilia
- Dendrolycus
- Dendrophidion
- Denisonia
- Dermatemydidae
- Dermatemys
- Dermochelyidae
- Dermochelys
Di
- Diadophis
- Diaphorolepis
- Dibamidae
- Dibamus
- Dicrodon
- Dierogekko
- Dieurostus
- Dinarolacerta
- Dinodon
Klada Dinosauriformes Novas 1992
- †Atreipus Olsen and Baird 1986
- †Dinosauria Owen 1842
- †Lagosuchus Romer 1971
- †Lagosuchus talampayensis Romer 1971
- †Marasuchus Sereno and Arcucci 1994
- †Paratrisauropus Ellenberger 1970
- †Saltopus Huene 1910
- †Silesauridae Langer et al. 2010
Reptilia → Ornithodira → Dinosauromorpha
Klada Dinosauromorpha Benton 1985
- †Banisterobates Fraser and Olsen 1996
- Dinosauriformes Novas 1992
- †Lagerpetidae Arcucci 1986
- †Prorotodactylus Ptaszynski 2000
- Diplodactylidae
- Diplodactylus
- Diploglossus
- Diplolaemus
- Diplometopon
- Diporiphora
- Dipsadoboa
- Dipsas
- Dipsina
- Dipsochelys
- Dipsosaurus
- Dispholidus
- Ditaxodon
- Ditypophis
- Dixonius
Dj
- Djokoiskandarus
Do
- Dogania
- Dolichophis
- Dopasia
Dr
Dracaena Daudin, 1802
- Dracaena guianensis Daudin, 1802
- Dracaena paraguayensis Amaral, 1950
Reptilia → Squamata → Scincomorpha → Teiidae
- Draco
- Drepanoides
- Dromicodryas
- Dryadosaura
- Drymarchon
- Drymobius
- Drymoluber
- Dryocalamus
- Dryophiops
- Drysdalia
Du
- Duberria