BItYOZOA OF THE PHILIPPINE REGION 



93 



Range. — Miocene. Recent. Membrendoecium grandis Canu and 



Bassler, 1923, from the American Miocene, should be classed in this 



new genus which differs from Membrendoecium in the absence of 



avicularia. 



Genus ANTROPORA Norman, 1903 



The cryptocyst is largely displayed all around the opesium. A 

 pair of avicularia with their pointed mandible directed inward and 

 transversely situated above the oral opening. There are three pairs 

 of lateral dietellae and several (four usually) lucid spots in the hind 

 wall (Norman). Interzooecial (vicarious) avicularia with rounded 

 mandible, occasionally present. Ovicells vestigial, endozooecial 

 (Harmer, 1926). 



C E 



Fig. 23. — Genus Antropora Norman, 1903 



A, B. Antropora granulijera Hincks, 1881. A. Several zooecia, X30. (After 

 Hincks, 1880.) B. View of the back of a zooecium; a, openings resulting from 

 the avicularia; below these are seen the pair of lucid bays, and below again the 

 lucid spots. (After Norman, 1903.) C. Uppermost zooecium with an ovicell. 

 D. Mandible of vicarious avicularium. E. Avicularia partly transverse and 

 partly longitudinal. F. Young state with a vicarious avicularium. (C-F. 

 After Harmer, 1926.) 



Genotype. — Antropora {Membranipora) granulijera Hincks, 1880. 

 Recent. 



Harmer, 1926, discovered that the two avicularia pertained in 

 reality to the distal zooecium in spite of their appearance. We do 

 not believe that Membranipora jmni Hincks, 1880, and Membranipora 

 nigrans Hincks, 1882, belong to this genus. 



