W22 



TYPE . I MMOM TES—I I ' 



CCCII 



Fig. 2a N.s. 



Fig. I X o 



ZiGZAGicERAS sp., L. Richardson', iqio, cit. spec. 



Proc. Geol. Assoc. XXI, 426, § 'i", 1, " top ; Combe Hay, Bath 



" Fullers' E., Ostrea knorri " ; Geol. Sur\'. E. (L. R. Coll.) 26985 



S. 126, 38, 33, 32-5 ; 30 ribs ; S. 185, 37, 28, 35 ; max. c. 250 



PARKIXSOXITES FULLOXICUS, xov. 

 Zigzagiceratan, fiiUoniciis ; Genotype, Holotvpe. Cf. CCCI 



