Category:Petrolacosaurus

**Petrolacosaurus**
	genus of reptiles that developed two holes (temporal fenestra) in each side of their skulls, about 300 million years ago Il·lustració científica
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Instance of	fossil taxon;
Common name
	العربية: زاحفة حجرية صغيرة; български: петролакозаври; català: Petrolacosaure; فارسی: پترولاکوسور; עברית: פטרולקוזאורוס; italiano: Petrolacosaurus kansensis; 日本語: ペトロラコサウルス; 한국어: 페트롤라코사우루스; polski: Petrolakozaur; русский: Петролакозавр; 中文: 油頁岩蜥屬; 中文（中国大陆）: 油页岩蜥; 中文（简体）: 油页岩蜥; 中文（繁體）: 油頁岩蜥; 中文（香港）: 油頁岩蜥; 中文（新加坡）: 油页岩蜥; 中文（臺灣）: 油頁岩蜥;
Taxonomy
Kingdom	Animalia
Subkingdom	Eumetazoa
Subkingdom	Bilateria
Superphylum	Deuterostomia
Phylum	Chordata
Subphylum	Vertebrata
Infraphylum	Gnathostomata
Megaclass	Osteichthyes
Superclass	Sarcopterygii
Order	Eotetrapodiformes
Infraclass	Elpistostegalia
Superclass	Tetrapoda
Class	Reptilia
Order	Araeoscelidia
Family	Petrolacosauridae
Genus	Petrolacosaurus
Authority file
	Q132525; Fossilworks taxon ID: 37771; GBIF taxon ID: 4819274; IRMNG ID: 1098602
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Domain: Eukaryota • Regnum: Animalia • Phylum: Chordata • Subphylum: Vertebrata • Infraphylum: Gnathostomata • Cladus: Osteichthyes • Cladus: Sarcopterygii • Cladus: Tetrapodomorpha • Cladus: Eotetrapodiformes • Cladus: Elpistostegalia • Superclassis: Tetrapoda • Cladus: Pan-Amniota • Ordo: Araeoscelidia • Genus: Petrolacosaurus Lane, 1945