244 
EXTALOPHORA. 
10. Entalophora gigantopora, Vine, 1885. 
SYXOXYilY. 
Entalophora gigantopora,\iue, 1885. Cambr. Greened.: Proc. Yorks. Geol. 
Soc. voL ix. p. 17, pi. i. fi". 3. 
,, ,, Vine, 1889. Polyz. Greensd. : ibid. vol. xi. p. 262. 
Diagnosis. 
Zoarium of laterally compressed branches. 
Zooecia short and wide. Apertures ver}' large ; arranged 
irregularly quincuncial. 
Dimensions. 
Diameter of branch 
Diameter of zooecia 
Diameter of aperture 
B.M., B. 4450. 
1-5 mm. 
Distribution. 
Chalk Marl : Kent. 
Upper Greensand : Cambridge. 
Affinities. 
This species is characterized by its wide, short zooecia, large 
apertures, and laterally compressed branches. 
Figure. 
PI. XI. Fig. 4. Part of a branch, X 10 dia. Upper Greensand : 
Cambridge. Jesson Coll. B. 4450. 
LIST OF SPECIMEXS. 
B. 4459. Two fragments (on slide). Upper Greensand. Cambridge. Jesson 
Coll. Figd. PL XI. Fig. 4. 
D. 1867. Five fragments, including the type of the species (on slide). Upper 
Greensand. Cambridge. Jesson Coll. Figd. Vine. 
D. 6510. A fragment (on slide). Chalk Marl. Kent. Busk Coll. 
11. Entalophora ramosissima, d’Orbigny, 1850. 
Synonymy. 
Entalophora~ ramosissima , d’Orbigny, 1850. Prod. Pal. vol. ii. p. 176. 
,, ,, d’Orbigny, 1851-3. Bry. Cret. p. 785, pi. 618, 
figs. 1-5. 
