Yamagiwa, Nobuo Additional notes on hexacorale from the Upper Jurassic to Lower Cretaceous Yura Group at Cailloma, Arequipa, southern Peru - Tokyo National Science Museum September 1983 - p. 115-119 Subjects--Topical Terms: CORALES FOSILESCRETACEO INFERIORJURASICO SUPERIOR Subjects--Geographic Terms: AREQUIPACAILLOMA Subjects--Index Terms: GRUPO YURA