CEPHALOPODA Ammonites excavatus 
Sowerby, 1818. 
1818. — SoWwErBy (James). The Mineral Conchology of Great Britain, 
D I, 525, CN 
Original figure. 
ä 
fus sorte 
excava 
ites 
n 
" 
( 
Ammo 
PALAEONTOLOGIA UNIvERsaLIs. — 92 
