7922 



TYPE A MMOXI TES— 1 1 



rcxcvi 



Fig. I 



Fig. 2 



Ammonites goliathus 



Horton Brickyard, Horton-cum-Studley, Oxfordshire 



Up. Oxf. CL, near surface : limonitic cast ; S.B. Coll. 3498, purch. 



5- 30, 43. 37' -3'5 : 55. 46"5. 58, 27 ; max. c. 130 ? 



HORTOXICERAS SIDERICUM, xov. 

 Cardioceratan, cardia ; Genotype, Holotype. Cf. CLVI 



