30 



R. S. Lull — Dinosaurian Distribution. 



Fig. 7. 



lealden 



Aptian 



Albian 



Cenoaani- 



Turonian 



Senonian 



Danian 



Morrison 







an 















STEGOSAURIA 













NOPTti AMERICA 



















AnKylosaurua, Hell Creek, 















Mont. 













Ankvlosaurnst Stereooephal us ) , Fed Deer 













■River, Alberta. 













Pala"e08cincu.,3, Red Rear Ri ver, Al h*>rtfl; 



Judith River, Mont. 













Nodosaurus. n. Como. Wvn. 



Stegopelta. Lander, 



flyo. 











Hierosaurusf Niobrara.). Gov* r.c Knn. 



Hoplitosaurus(Lakota). Buffal 



o Gap.S.D. 





Stegoaaur'us, Como, n. Medicine Bon, Bone Cabin, Sheep Creek, lyo. 



Stegosaurus(Diracodon), Como, Wyo. 







Pxioonodonf Potomac^, Prince George Co.,Md. 











ENGLAND 











Acanthopholis. Folkstone. 









Acanthopholis. Cambridge. 







Polacanthi 



a, Hastings, Isle of flight. 



us, Hastings, Tilgate, Cuckf ield. 







Hvaelosaui 



Vectisaurus, Isle of flight. 



1 











FRANCE 











1 



Struthiosaurus(Crataeomus)St.Chiniftn. 





Hv£elosaurus, Boulonnais,Grand Pre. 











GERMANY 







Hva~elosaurus. North Germany. 









Stenopelix. Brilckeburg. 















AUSTRIA-HDNGARY 













Struthiosaurus, n. Vienna( Neue Welt). 



Hoplosaurus, n. Vienn<i( Neue Welti. 









CERATOPSIA 













NORTH AMERICA 



















Triceratops r Converse Co., 















N. Platte River, opposite 















mouth of Medicine Bos, Wyo.; 















Hell Creek, Po*der River, 















Chalk Butte3 20 ai.W.of 















Elklaka.E.Fork Little Pow- 















der River, n. Glendive, n. 















Rosebud, Mont. ; Yule, Billings 















Co. ,N.D.;0jo Alamo, N.M. ; 















n. Denver, Col. 















DiceratoDS. Converse Co., Wyo. 















Torosaurus. Converse Co. r Wvo. 















Agathaumas. Black Euttes r flvo. 













CeratoosC 



Judith River), n. Judith, .Mis- 



souri R 



iver, Mont. ; Red Deer River, Al- 













berta. 













Monoclonius( Judith River), n. Judith, 



Mont.; Red Dear River, Alherta. 













Centrosauru3( Judith River), Red Deep 



River, Alherta. 













"Ceratopsians", Musselshell River Ba- 













sin, Sue 



et Grass Co. , Mont. 



Fig. 7. Distribution of the Cretaceous Stegosauria and Ceratopsia (original). 



