. Catalogues of the Silurian fossils of the island of Anticosti, with descriptions of some new genera and species. Paleontology; Paleontology. 49 It occurs at Junction Cliff and near Jupiter River; Divs. 1, 2, A. G. J. Richardson. Genus Cyrtodonta, Billings. C. ACCUTUMBONA, n. sp.—This species is about the size and shape of O. ungulata^ with the difference that the umbones are very strongly cari- nated. The posterior portion of the shell is broken off, and the entire out- line cannot, therefore, be made out. One mile south of Junction CUff Anticosti; Div. 1, A. G. T. C. Weston. Genus Ambonychi
. Catalogues of the Silurian fossils of the island of Anticosti, with descriptions of some new genera and species. Paleontology; Paleontology. 49 It occurs at Junction Cliff and near Jupiter River; Divs. 1, 2, A. G. J. Richardson. Genus Cyrtodonta, Billings. C. ACCUTUMBONA, n. sp.—This species is about the size and shape of O. ungulata^ with the difference that the umbones are very strongly cari- nated. The posterior portion of the shell is broken off, and the entire out- line cannot, therefore, be made out. One mile south of Junction CUff Anticosti; Div. 1, A. G. T. C. Weston. Genus Ambonychia, Fig. 16. Fig. 16.—Amhonycilia superha. Right valve and anterior 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 Geological Survey of Canada; Billings, E. (Elkanah), 1820-1876. Montreal, Dawson brothers; London, New York [etc. ] Baillière
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