46 LIAS OF ENGLAND AND WALES: 
Zonej of AMMONITES OBTUSUS (Fig. 15), A. OXYNOTUS 
(Fig. 16), and A. KARICOSTATUS (Fig. 17). 
A. bifer. 
A. Birchii. 
A. Bonnardi. 
A. Brookei. 
A. guibalianus. 
A. planicosta (Dudressieri).* 
A. sauzeanus. 
A. stellaris. 
Belemnites acutus. 
elongatus. 
Pleurotomaria anglica. 
Avicula insequivalvis. 
Cardinia Listeri (Fig. 30J. 
var hybrida. 
Gryphsea obliquata. 
Hippopodium ponderosum (Fig. "29). 
Waldheitnia nuruismalis. 
Extracrinus briareus (Fig. 40). 
Pentacrinus basaltiformis? (Fig. 39). 
scalar) s. 
Montlivaltia rugosa. 
Zones of AMMONITES ARMATUS (Fig. 18), A. JAMESONI 
(Fig. 19), and A. lBEX.f 
Ammonites brevispina (Fig. 20). 
- Maugenesti. 
planicosta. 
- subplanicosta. 
Valdani. 
trivialis. 
Belemnites clavatus (Fig. 22). 
elongatus. 
Cryptsenia expansa. 
Area Stricklandi. 
Gryphsea obliquata. 
Hippopodium ponderosum (Fig. 29). 
Inoceramus (Crenatula) ventricosus. 
Led a Galathea. 
Zieteni. 
Pinna folium. 
Plicatula spinosa (Fig. 31). 
Ehynchonella rimosa. 
variabilis (Fig. 37). 
Spiriferina verrucosa. 
Waldheimia numismalis. 
Pentacrinus scalaris. 
* Ammonites planicosta has occasionally been taken to mark a zone : the specie* 
extends up into the zone of A. Jamesoni. 
f Lists of fossils from the zone of " A. Jamesoni," published by Tate, Quart. 
Journ. Geol. Soc., vol. xxvi. p. 400, and by T. Beesley, from Fenny Comptoa 
(see p. 160), include species from other zones. 
