. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fio. 4«8.—Creplporii simu- lans. Tungentlal sec- tion,showing lunar) iitn. Cln. Soc. C. erecta, C. xpaiusa, rep- I'rmna xcrnbiculata, aev biculata. (, Hall, 1883, Rep. St. Geol. Def., pi. 26. [Ety. from Cruina.] Ramose, solid, celluliferous on one side; cells in oblique, as<; rows from the cen- ter to the margin of the branch; peri- stomes prominent; interapertural spaces, with polygonal pits o
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fio. 4«8.—Creplporii simu- lans. Tungentlal sec- tion,showing lunar) iitn. Cln. Soc. C. erecta, C. xpaiusa, rep- I'rmna xcrnbiculata, aev biculata. (, Hall, 1883, Rep. St. Geol. Def., pi. 26. [Ety. from Cruina.] Ramose, solid, celluliferous on one side; cells in oblique, as<; rows from the cen- ter to the margin of the branch; peri- stomes prominent; interapertural spaces, with polygonal pits or mesopores. Type C. scrobiculata. scrobiculata, Hall, 1881, (Crisina scrobicu- lata,) Bryozoans of the Up. Held. Gr., p. 20, and Pal. N. Y,, vol. 6, p. 103, Up. Held Gr. Oryptopora, Nicholson, 1874, Ann. and Mag. Nat. Hist., 4th sen, vol. 13, and Pal. Prov. Ont, p. 102. Founded upon a cast from the under side of a Fenestella. mirabHig, Nicholson. Not a species. Cyolopora, Prout, 1860, Trans. St. Louis Acad. Sci., vol. 1, p. 574. [Ety. kuklos, cir- cle ; poro8, pore.] Discoidal, frondescent ur incrusting; plates sometimes super- posed with subprismatic cells longer than broad, having their sides formed of a *ninutcly porous interstitial net- work, developed from an epitheca marked by transverse bands more or less concentric, separating the bases of the cells; cells shallow and expanded; interstitial cells. Type C. fungia. ditcoidfa, see Proutella discoidea. expatiata, Ulrich, (in press,) Geo. Sur. III., vol. 8, pi. 68, Keokuk Gr. fungia, Prout, 1860, Trans. St. Louis Acad. Sci., vol. 1, p. 577, Keokuk Gr. jamesi, Prout, syn. for Piilodictya pa- vonia. polymorpha, Prout, 1860, Trans. St. Louis Acad. Sci., vol. 1, p. 678, Kaskas- kia Gr. CvrLOPORBUiA, Ulrich, (in press,) Geo. Sur. 111., vol. 8, p. 404. [Ety. dim. of Oy- clopora.} Thin discoidal expansion; zorecia subtubulat*, with a succession of superior hemisepta in the vestibular portion; irregularmesoporeB abundant; aca
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