756 



BULLETIN 106, UNITED STATES NATIONAL MUSEUM. 



I x12 

 Idmidronea 



Gx12 



Tretonea 



FIG. 245. Genera of the Tubuliporidae. 



A. Tubulipora Lamarck, 1816. Tubulipora phalangca Couch. 



B. Platonea, new genus. Ovicelled lobe of Platonca (Reptotubigera) phillipsae Harmer, 1915. 



C. Centronea, new genus. Ovieelled specimen of Centronea (Multitubigera) micropora 

 Reuss, 1869, X 12. 



D. Mcsonea, new genus. Frontal with ovicell and dorsal of Mesonea (Retepora) radians 

 Lamarck, 1816. 



E. Erkosonea, new genus. Frontal and dorsal sides, X 12, of Erkosonea semota, new species 

 from the Eocene of Mississippi. 



F. Pleuronea, new genus. Frontal with ovicell and dorsal of Pleuronea (Idmonea) fene- 

 strata Busk, 1859. 



G. Tretonea, new genus. Frontal with ovicell and dorsal of Tretonea levis, new species 

 from the Jacksoniau of Georgia. 



H. Idmonea Lamouroux, 1821. Dorsal and frontal with ovicell of Idmonea atlantica Forbes, 

 1859. (After Harmer, 1915.) 



I. Idmidronea, new genus. Frontal, X 12, and dorsal, X 25, of Idmidronea (Idmonea) 

 maxillaris Lonsdale, 1845, from the Eocene of North Carolina. 



