CRÉTACÉS DE LA BELGIQUE 



81 











PAGES 



Nucleolites Bomarii Defrance 57 



— heteroclita Defrance 









20 



— py ri for mis Goldfuss 









58 



— pyriformis Desmoulir 



s 







58 



— tenuiporus Agassiz . 









58 



Nucleopygus Pomel (Genre) . . 









31 



Nucleopygus coravium Defrance 









45 



Nucleopyrina (Genre). . 









31 



Offaster pilnla Lamarck . . 









2(1 



Oolopygus Bargesi d'Orbigny. 









59 



— arracilis Lambert . 









58 



— piriformis Leske . 









56 



— pyriformis d'Orbigny 









58 



— Savini Lambert. . 









. 58 



— tenuiporus Pomel . 









58 



— Wrighli Lambert . 









59 



Pliymosoma fustnarium Lambert 









34 



— inops Lambert . 









46 



— Konigi Mantell . 









10 



— Rutoti Lambert . 









46 



— tiara Agassiz . 









. 34 



Pironaster (Genre) .... 









32, 75 



— Rœmeri M. Chai mas 









. 62 



Plesiaster bucardium Goldfuss 









37 



— minor Schlùter . 









. 51 



— parvistella Schlùter. 









58 



Protolampadidœ (Famille) . . 









28 



PAOES 



Pseudoliaimea (Genre) 32 



— Delagei Pomel 32 



* Pseudopyrina (Genre) 31 



— ovulum Lamarck .... 51 

 Pygopyrina (Genre) 31 



— icaunensis Gotteau .... 31 



Pyrina Desmoulins (Genre) 25, 28 



Pyrina Agassiz (Genre) 25 



Pyrina petrocoriensis Desor 28 



— Raulini Cotteau 30 



* Rostrogalerus (Sous genre) 30 



— rostratus Agassiz .... 30 

 Salenia (Genre) 65 



— anthophora Muller 66 



— Bonissenti Cotteau 67 



* — Desori Lambert 67 



* — Rutoti Lambert 68 



— stellifera, Hagenow 67 



Salenidia Heberli Cotteau 40, 68 



— Schluteri Lambert 69 



Spatangus bucardium Goldfuss .... 37 



Stegaster Fackii Stolley 19 



Stereocidaris pseudohirudo Cotteau. . 41 



Temnocidaris danica Desor 46 



* Typocidaris arenata Lambert 42 



— serrata Desor. . . 54, 42,46,69 



1908. — 11 



