IGO 



Pectunc'.ilus - 



Pedum 



Penicillus 



Perna 



Petricola 



Phasianella 



Pholas 



Pinna 



Placuna 



Planorbis - 



Planulites 



Pleurotoma 



Plicatula 



Pterocera - 



Pupa 



Purpura 



Pyramidella - 



Pyrula 



Racfiolites 

 Renulina • 

 Rostellaria 

 Rotalites - 



Sanguinolaria 

 Scalaria 

 Scapliites 

 Serpula Lam. 



Linn. 



Sigaret 

 Siliquaria 

 Solarium - 

 Solen Lam. - 



Linn. 



Spirolina 

 ' Spirorbis - 

 Spirilla 



73 



77 



141 



77 



64 



123 



47 



88 



81 



129 



92 



120 



68 



115 



126 



112 



123 



104 



139 

 95 



115 

 94 



54 



126 



95 



142 



141 



130 



142 



123 



54 



53 



94 



142 



93 



Spondylus Lara. 



Linn. 



Storaatia 

 Strorabus Lam. 

 Linn. 



Tellina Lam. 



Linn. 



Terebellum - 



Terebra 



Terebratula - 



Teredo 



Terms explained 



Testacella - 



Tridacna 



Trigonellites 



Trigonia 



Trochus Lam. 



Linn. 



Tubicinella 

 Turbinellus - 

 Turbo Lam. 



Linn. - 



Turrilites - 

 Turritella - 



Venericardia - 

 Venus Lam. - 



Linn. 



Vermicularia 

 Volvaria 

 Voluta Lam. - 



Linn. 



Vulsella 



Unio 



Page. 



68 



67 



135 



115 



114 



57 



55 



104 



113 



81 



143 



24 



130 



70 



58 



82 



123 



121 



46 



109 



126 



124 



93 



126 



66 



66 



65 



142 



105 



108 



106 



51 



51 



