Sphenacodon

999	Silybura
552	mesoeucrocodylian
515	Goniopholis
508	snakeflies
500	Crossomys
499	Cirolanidae
499	Veronicellidae
492	Valanginian
487	Pleurocoelus
476	Streptocephalidae

previous:	Sphecotheres
next:	Spheniscidae
random:	Laakona

More distant neighbors

Sinemurian Berriasian crocodylomorph temnospondyl Metriorhynchidae echinoid Cambarellus Scorzonera Porthidium ctenochasmatid Sphaeromatidae mesonychid elasmosaurid perissodactyl ceratosaurian Borophagus pterodactyloid Thevetia Listera Atropus Atropoides Helminthoglyptidae Pachyaena heterodontosaurid montezumae Pseudocheiridae Nodosaurus Pupillidae Toarcian Aptian Sciuridae Megapodagrionidae Istiodactylus Acanthostega compsognathid Tithonian gardineri Sonorella Pantolambda

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