. Bulletin - United States National Museum. Science. 236 BULLETIN 100, UNITED STATES NATIONAL MUSEUM Hincks placed this genus in the Notamiidae with Synnotum. It constitutes, however, a very divergent ensemble in the form of zooecia and in the nature of the gonoecia. The larva is not known. Notomia Fleming, 1828 being replaced by Epistomia, it was necessary to replace Notamiidae by Epistomiidae. Genus SYNNOTUM Hincks, 1886 (Alteration of Synnota, Pieper, 1881) The zooecia are in pairs back to back, each pair connected by tubular prolongations with the next pair but one below it. There. Fig. 97
. Bulletin - United States National Museum. Science. 236 BULLETIN 100, UNITED STATES NATIONAL MUSEUM Hincks placed this genus in the Notamiidae with Synnotum. It constitutes, however, a very divergent ensemble in the form of zooecia and in the nature of the gonoecia. The larva is not known. Notomia Fleming, 1828 being replaced by Epistomia, it was necessary to replace Notamiidae by Epistomiidae. Genus SYNNOTUM Hincks, 1886 (Alteration of Synnota, Pieper, 1881) The zooecia are in pairs back to back, each pair connected by tubular prolongations with the next pair but one below it. There. Fig. 97.—Genus Stolonella Hincks, 1883 Slolonella clausa Hincks, 1883. The colony is attached by a radical fiber which issues from a creeping stolon. The zooecia which issue separately from the stolon are furnished with two rows of spines, joined together in pairs and separated by a single row of transverse slits. No avicularia. No ovicell. are sessile lateral avicularia and an articulated avicularium between the cells in each pair at the summit. Genotype.—Synnotum (Gemellaria) avicularia Pieper, 1881. Recent. Suborder ASCOPHORA Levinsen, 1909 THE COSTULAE Family CRIBRILINIDAE Hincks, 1880 We have treated this family and its genera at some length in our Monograph of North American Early Tertiary Bryozoa. In the following pages we are adding descriptions of genera not discussed in 1920, but we are not taking into account the many genera and fami- lies proposed in recent years by 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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