. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. COD.—COM.] ECHINODERMA TA 233 whitii, Hall, 1861, Desc. New Crinoidea, p. 10, and Best. Jour. Nat. Hist, vol. 7, p. 237, Burlington Gr. CoDONiTBs, M«ek & Worthen, 1869, Proc. Acad. Nat. Sci. Phil., p. 84, and Geo. Sur. 111., vol. 5, p. 463. [Ety. kodm, bell; lHhon, stone.] Calyx truncate- obp^ramidal, elongate below, which distinguisheH it, in form, from Pentrem- ites and allied genera; deltoid plates constric
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. COD.—COM.] ECHINODERMA TA 233 whitii, Hall, 1861, Desc. New Crinoidea, p. 10, and Best. Jour. Nat. Hist, vol. 7, p. 237, Burlington Gr. CoDONiTBs, M«ek & Worthen, 1869, Proc. Acad. Nat. Sci. Phil., p. 84, and Geo. Sur. 111., vol. 5, p. 463. [Ety. kodm, bell; lHhon, stone.] Calyx truncate- obp^ramidal, elongate below, which distinguisheH it, in form, from Pentrem- ites and allied genera; deltoid plates constricted in the middle; anal opening large, remote from the center; ambu- lacra narrow, without marginal pores; side plates large, their apposed edges having pinnule sockets; ten spiracles parallel or subparallel to the ambulacra; the slits are equally developed in all the interradial areas, while they are absent in the azygous interradius of Codaster. Type C. stelliformis. eampanulatus, Hambach, 1884, Trans. St. Louis Acad. Sci., vol. 4, p. 548, Burlington Gr. dilatatus. Hall, 1861, (Poteriocrinus dilat- atus,) Desc. New Crinoidea, p. 6, and Bost. Jour. Nat. Hist., p. 300, Burling- ton Gr. lyra. Meek & Worthen, 1869, (ZeacrinuB lyra,) Proc. Acad. Nat. Sci., p. 152, and Geo. Sur. Ill, vol. 5, p. 432, Burling- ton Gr. Z^ subspinosus. White, 1863, Jour. Boat. Soc. Nat. Hist., vol. 7, p. 501, Burling- ton Gr. jj ventricosus. Hall, 1861, (Poteriocrinus ventricosus,) Desc. New Crinoidea, p. 6, and Bost. Jour. Nat. Hist., p. 301, Burlington Gr. Caloctinus, Meek & Worthen, 1865, Proc. Acad. Nat. Sci. Phil., and Geo. Sur. 111., vol. 2, p. 214, syn. for Dorycrinus. concavus, see Dorycrinus concavus. "fj CoHARocYSTiTEs, BilHngs, 1854, Can. Jour., vol. 2, p. 269, and Can. Org. Rem.,. 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 re
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