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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Chordata (Chordates)
Olfactores
Craniata (Craniata (chordata))
Vertebrata (Animals with backbone)
Gnathostomata (Gnathostome)
Eugnathostomata
Teleostomi
Euteleostomi
Sarcopterygii (Lobe-finned fishes)
Dipnotetrapodomorpha
Tetrapodomorpha (Tetrapodomorph)
Tetrapoda (Tetrapod)
Reptiliomorpha
Amniota (Amniote)
Sauropsida
Reptilia (Reptiles)
Eureptilia
Romeriida
Diapsid (Diapsida)
Neodiapsida
Sauria
Lepidosauromorpha (Lepidosauromorph)
Lepidosauria
Squamata (Scaled reptiles)
Episquamata
Toxicofera
Ophidia
Serpentes (Snake)
Alethinophidia
Caenophidia (Caenophidian)
Colubridae

Trigonocephalus (28320203)

Children (14 direct children, 14 direct and indirect children):

Trigonocephalus erythrurus

Trigonocephalus mucrosquamatus

Trigonocephalus asper

Trigonocephalus intermedius

Trigonocephalus caribbaeus

Trigonocephalus pubescens

Trigonocephalus purpureomaculatus

Trigonocephalus blomhoffii

Trigonocephalus malabaricus

Trigonocephalus lansbergii

Trigonocephalus schlegelii

Trigonocephalus undulatus

Trigonocephalus rhodostoma

Trigonocephalus cantori