34 DRAKE AND SHEPPAJRD : CLASSIFIED LIST OF ORGANIC REMAINS. 
^^\ME. 
Sewerby 
to 
llitcli Stacks. 
c*^ 5 
^"^ t 
"s 
J.= >^ 
Drirtield 
and 
Wolds. 
Beverley 
District. 
Zone of Actinocamax quadratus. 
Ammodiscii^ incertus 
3 
Vcrneuilina tviqiietra 
3 
Bidimina hrevis 
3 
obtrusa 
3 
Cristellaria rotidata ... 
3 
Truncatidina tinr/eriana 
3 
Anomalina am?nonoides 
3 
Ptdvinidina micheliniana ... 
3 
Rotalia exculpta 
3 
Rhizammina cdgceformis 
3 
Middle Chalk. 
XAME. 
Flamboroughj 
Head and Other Places. 
District. | 
T.G. =Zone of Tcrebratulina (jracilis. 
R.C. =Zone of Rhynchonella cuvieri. 
Pisces. 
Ichthyodectes or Portheus sp. 
Ptychodus mammUlaris, Ag. (R.C.) 
Hessle 
15 
9, 2, G 
Cephalopoda. 
Belemnite {Actinocamax sp.) (T.G.) 
1 
Lund 
8 
Lamellibranchiata. 
Inoceramus hrongniarti, Sow. (T.G.) 
cuvieri, Sow. (T.G.) 
mytiloides. Sow. (R.C.) 
undidatus, Mantell. (T.G.) 
,, lamarcki, Park (R.C.) 
Ostrea vesicidaris. Lam. (T.G.) 
hippopodium, Nilss. (T.G.) 
„ proboscidea, d'Arch. (T.G.) 
Spondylus fimbriatus. Goldf. (T.G.) 
3, 2, 5 
Beverley 
3, 2 6 
Willerby 
3, 2 8, 13 
3, 2 
.") 
3 
5 
Beverley 
3. 2 0 
