NEWTON : CONCHOLOGICAL FEATURES OF LENHAM SANDSTONES. 83 



Italy 



Britain. 



Astian -|^ 



Plaisancian J 



Coralline Crag ^ • 



Lenham Beds J 

 Collection — 



M.P.G., No. 403. 



Fam. ARCID.'E. 



Anadara DiLUVii Lamarck. [Plate 2, fig. 8]. 



A7-ca dihivii Lamarck: Ann. jMlis. Hist. Nat. (Paris), 1805, vol. 6, 

 p. 219. 

 Distribution — 

 Plaisancian 

 Lenham Beds ... 

 Anversian | 



Bolderian / 



France ; Italy 

 Britain 



Belgium 



Messinian 

 Vindobonian 



France (Bas Dauphine, recorded 



by H. Fontannes) 

 France ; Germany ; Italy ; Vienna 

 Basin ; Holland. 

 Collections — 



M.P.G., No. 410. 



B.M. (Prestwich ; Graham Wallas). 

 FossuLARCA LACTEA Linngeus, 



Area lactea Linnteus : Syst. Naturse, 1758, ed. x., p. 694. 

 Fossularca lactea Sacco : Moll. Terz. Piemonte, 1898, part 26, 

 plate 3, figs. 20-23, p. 19. 



Distrihition — 



... British and Mediterranean Seas 



Britain 



Italy 



France (S.) ; Italy 



Recent... 

 Post-Pliocene ... 

 Astian ... 

 Plaisancian 

 Red Crag '\ 



Coralline Crag - ••• 

 Lenham Beds J 

 Redonian (Tortonian) 

 Vindobonian ... 

 Collection — 



B.M. (Prestwich ; Graham Wallas). 



Britain 



France (N.W.) 

 Italy ; Vienna Basin. 



Fam. GLYCYMERID.E. 

 Glycymeris pilosa Linnaeus. 



Area pilosa Linnseus : Syst. Naturge, 1767, ed. xii., vol. i, part 2, 

 p. 1 143' 



