Category:Ctenorhachis

**Ctenorhachis**
	genus of tetrapods
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Instance of	fossil taxon;
Location of discovery	Baylor County; Archer County;
Start time	290,100th millennium BC;
End time	279,300th millennium BC;
Common name
	한국어: 크테노르하키스; 中文: 櫛棘龍屬; 中文（简体）: 栉棘龙; 中文（繁體）: 櫛棘龍; 中文（香港）: 櫛棘龍;
Taxonomy
Kingdom	Animalia
Subkingdom	Eumetazoa
Subkingdom	Bilateria
Superphylum	Deuterostomia
Phylum	Chordata
Subphylum	Vertebrata
Infraphylum	Gnathostomata
Megaclass	Osteichthyes
Superclass	Sarcopterygii
Infraclass	Elpistostegalia
Superclass	Tetrapoda
Family	Sphenacodontidae
Genus	Ctenorhachis
Taxon author	Robert Warren Hook, 1991
Authority file
	Q1063077; Fossilworks taxon ID: 346069; GBIF taxon ID: 4818420; IRMNG ID: 1024735
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Domain: Eukaryota • Regnum: Animalia • Phylum: Chordata • Subphylum: Vertebrata • Infraphylum: Gnathostomata • Cladus: Osteichthyes • Superclassis: Tetrapoda • Cladus: Amniota • Cladus: Synapsida • Ordo: Pelycosauria • (Unranked): Eupelycosauria • Familia: Sphenacodontidae • Genus: Ctenorhachis Hook & Hotton, 1991