NORTH AMERICAN EARLY TERTIARY BRYOZOA. 723 



Genotype. Mecynoecia (Entalophora) pro'boscidea Milne-Edwards, 1838. 

 The principal known species of this genus are: 

 Entalophora australis Busk, 1875. Recent. 

 Entalophora dclicatula Busk, 1875. Recent. 

 Entalophora defiexa Smitt, 1872. Recent. 



FIG. 235. Genus ilacroecid Canu; 1918. 



A-I. Mao-oecia (Diastopora) lameUosa Michelin, 1845. A, B. Zoarium, natural size and en- 

 larged. C. Cross section of branch, enlarged. D. Surface with ovicell, enlarged. (A-D. After 

 D'Orbigny, 1854.) E. Another view. X 12, of an ovicelled specimen. F, G. Two views, X 18, 

 showing the ovicell well developed. H. Example with two adjacent ovicells, X IS. I. A broken 

 ovicell, X 18, showing the opening of the inferior tube of which it is only the dilated part. (F-I, 

 after Canu.) 



Entalophora pulchclla Reuss, 1847. Priabonian. 

 Entalophora madrfporacea Goldfuss, 1827. Cretaceous. 

 Entalopora cretacea D'Orbigny, 1850. Turonian-Senonian. 

 Proboscina radiolitorum D'Orbigny, 1851. Cenomanian. 

 Entalophora cettarioides Lamouroux, 1821. Jurassic. 

 Proboscina, angustata D'Orbigny, 1851. Cretaceous. 

 Later otubig era flexuosa D'Orbigny. Coniacian. 



