152 



MIDDLE ALBIAN STRATIGRAPHY 



B. Stratigraphical List 



To conserve space, Subzones are numbered consecutively, (i) eodentatns, (2) lyelli, (3) spathi ; 

 (4) intermedins, (5) niobe, (6) subdelaruei, (7) meandrinns ; (8) nitidus, (9) daviesi. p = premuta- 

 tion. 



Phylloceratidae 



Hypophylloceras sp. ..... 



Lytoceratidae 



Pictetia astieriana (d'Orbigny) . , . 



Tetragonitidae 



Tetragonites kitchini (Krenkel) . . . 



Hamitidae 



Hamites (Hamiies) attenuatus J. Sowerby 



rotundns J. Sowerby . 



tenuicostatus Spath . 

 compressus J. Sowerby . 

 „ gracilis Spath. . 



gibbosus J. Sowerby . . 



snbrolundus Spath 

 maximus J. Sowerby , 



tenuis J. Sowerby . . 



„ subacuaria Spath 

 Anisoceratidae 

 Protanisoceras {Protanisoceras) alternotubevculatum 



(Leymerie) 

 „ „ barrense 



(Buvignier) 

 „ „ nodoneum 



(Buvignier) 

 „ „ moreanum 



(Buvignier) 

 ,» „ spp. 



„ (Heteroclinns) nodosum (J. Sowerby) 



,, ,, flexuosum (d'Orbigny) 



Metahamites sabtieri (d'Orbigny) . 



spp 



Turrilitidae 

 Proturrilitoides densicostatus (Passendorfer) 

 Pseudhelicoceras argonnensis (Buvignier) 

 ,, snbcatenatum Spath 



Binneyitidae ? 



Falciferella milbournei Casey 

 Desmoceratidae 

 Puzosia (Anapuzosia) provincialis (Parona & 



Bonarelli) 

 XJhligella derancei Casey 



,, „ erugata Casey 



Beudanticcras laevigatum (J. de C. Sowerby) 

 ,, sanclaecrucis Bonarelli 



,, albense Breistroffcr . 



Desmoceras (Desmoceras) latidorsatam (Michelin) 



X 



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X 

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X 

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X 

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