. Bulletin - United States National Museum. Science. 66 BULLETIN 125, UNITED STATES NATIONAL MUSEUM. Genus FORAMINELLA Levinsen, 1909. 1909. Foraminella Levinsen, Morphological and Systematic Studies on the Cheilostomatous Bryo- zoa, p. 165. The somewhat arched frontal wall has no pores, but on each side a longitudinal series of (1-5) foramina (opesiules). A membranous opercular valve. Independent avicularia without crossbar, with an elongate mandible, on the one side furnished with a wing-like expansion. Hyperstomial ovicell with a membraneous ectooecium. Dietellae (Levinsen). Genotype.—Foram


. Bulletin - United States National Museum. Science. 66 BULLETIN 125, UNITED STATES NATIONAL MUSEUM. Genus FORAMINELLA Levinsen, 1909. 1909. Foraminella Levinsen, Morphological and Systematic Studies on the Cheilostomatous Bryo- zoa, p. 165. The somewhat arched frontal wall has no pores, but on each side a longitudinal series of (1-5) foramina (opesiules). A membranous opercular valve. Independent avicularia without crossbar, with an elongate mandible, on the one side furnished with a wing-like expansion. Hyperstomial ovicell with a membraneous ectooecium. Dietellae (Levinsen). Genotype.—Foraminella {Monoporella) lepida Hincks, 1881. Mk::;#^ A x75 Fig. 9—Genus Odontionella Canu and Bassler, 1917. A-E. Odontionella (Membranipora) Mans Hincks, 1885. A. Zooecia, X 75. (After Hincks, 1885.) B. Distal wall with septulae, X 25. C. Lateral wall withseptulae, X25. D. Operculum, X 85, showing chitinous ridge (cr)and expansion (ea). E. Zooecia X 25. (B-E after Waters, 1898.) F, G, I. Odontionella occvltata Waters, 1887. F. Specimen from recent seas with its a\-icularia. G. Example from the Tertiary rocks of New Zealand showing a thick calcareous deposit between the zooecia. I. Avicularian mandible, X 250. J, K. Opercula of another species (introduced by error.). H. Photograph of a specimen of Odontionella hians Hincks from New Zealand showing the disym- metry of the opesiular indentations, X Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.


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