81 



CONTENTS 



A new stylophoran echinoderm, Juliaecarpus milnerorum, from the late Ordovician Upper 

 Ktaoua Formation of Morocco 

 M. Ruta 



Late Cretaceous-early Tertiary echinoids from northern Spain: implications for the Creta- 

 ceous-Tertiary extinction event 

 A.B. Smith, J. Gallemi, C.H. Jeffery, G. Ernst and RD. Ward 



Juiietin OT I he Natural History Museum 

 GEOLOGY SERIES 



Vol. 55, No. 2, November 1999 



