1928 



TYPE AMMONITES 17/ 



DCCXVJllit* 



Ammonites antiquatus, Simpson, 1855, Holotype 

 [Robin Hood's Bay], perhaps washed from submerged reefs 

 Whitby Mus. 79, 80 ; <£. (184, 44, 23, 32), estimate 

 Distinct longitudinal lines (striae) ; see also Simpson 



MACROGRAMMITES ANTIQUATUS, Simpson sp. 

 Schlotheimian, megastoma. See CCCXCY 



