128 



BULLETIN 125, UNITED STATES NATIONAL MUSEUM. 

 Subgenus Flustramorpha Gray, 1848. 



1818. Flustramorpha Gray, List of Brilisli Animals in British Museum, pt. 1, Centroniae or Radiated 

 animals. 

 The operculum closes the ovicell; it is trapezoid. The zoarium is chitinous. 

 "Zoariuin erect, radicate, l)ilaniinar, composed of irreguhxr lobes, bordered and 

 loosely connected by chitinous tubes; mouth coarctate; a lateral pouch-like vibra- 

 cularium." (Busk.) 

 , Genotype. — Flustramorpha (Fhtstra) marginata Krauss, 1837. Recent. 



Fig. 24. — Genus Calloporina Ne\dani, 1895. 



A-F. Calloporina decorata Reuss, 1847. A. The zooecium is furnished with three distal dietellae, 

 and the curved belts on the ovicell, at the base of which are seen the fine pores of the endooeciuni, are 

 canal like ca\dtie3 between the endooeciimi and the distal calcified part of the ectooeciiun. Between 

 these canals, which open through a circle of pores, the two layers of the zooecium ha^'e united; X 40. 

 B. A portion of the zooecium, magnified X 75. C. Operculum, X 100. (A-C, after Levinsen, 1909.) 

 D. Operculum, X 85. E. Mandible, X 85. (D, E, after Waters, 1887.) F. Portion of a fossil zoarium. 

 (After Manzoni, 1875.) 



Genus CALLOPORINA Neviani, 1895. 



1895. Calloporina Neviani, Briozoi fossili della Farnesina e Monte Maria presso Roma Paleonto- 

 graphia Italica, Pisa, vol. 1, p. 107. 



The frontal is garnished with lateral areolar pores. Costules and avicularia 

 are present. The ascopore is circular. 



Genotype. — Calloporina (Cellepora) decorata Reuss, 1847. 



Range. — Helvetian-Recent. 



The known species of the genus are : 



Calloporina (Cellepora) decorata Reuss, 1847. 



Calloporina {Lepralia) diadema MacGillivray, 1868. 



Calloporina (Microporella) renipuncta MacGillivray, 1882. 



Calloporina (Microporella) scaTwZens MacGilhvray, 1884. 



