320 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Cyathophyllum articulatum (Wahlenberg). 



Madreporites articulatus Wahlenberg, Nov. Act. Sco. Upsala, 8, 1821, p. 87. 



Cyathophyllum articulatum Milne-Edwards and Haime, Polyp. Foss. des. Terr. 

 Pal., 1851, p. 377; British Foss. Corals, 1855, p. 282, pi. 67, figs. 1, la. 

 Etheridge, Quart. Jour. Geol. Soc. London, 34, 1878, p. 584. Lambe, Ottawa 

 Nat., 12, 1899, p. 219; Cont. Canadian Pal., Geol. Surv. Canada, 4, pt. 2, 1901, 

 p. 135, pi. 10, figs. 9a, b. 



Silurian: Gotland and England ; "The Forks," Scaumenac River, Isle of Man, 

 Lake Temiscaming, Quebec; Dobbins Bay, Arctic America (Niagaran). 



Cyathophyllum atlas Castelnau. Not recognized. 



Cyathophyllum atlas Castelnau, Essai Syst. Sil. I'Amerique Septent., 1843, p. 



47, pi. 20, fig. 2. 

 Silurian: Drummond Island, Lake Huron. 



Cyathophyllum bullulatum Hall. 



Cyathophyllum bullulatum Hall, -35th Rep. New York State Mus. Nat. 



1884, p. 416. 

 Niagaran?: Perry County, Tennessee. 



Cyathophyllum caliculare Owen. Not recognized. 



Cyathophyllum caliculare Owen, Geol. Expl. Iowa, Wisconsin, and Illinois, 2d 



ed., 1844, p. 69, pi. 13, fig. 5. 

 Niagaran: Iowa and Wisconsin. 



CYATHOPHYLLUM CALYCULUM Foerste. See Enterolasma calyculus. 



CYATHOPHYLLUM CELATOR var. DAYTONENSIS Foerste. See Zaphrentis celator day- 

 tonensis. 



Cyathophyllum clarki Swartz. 



Cyathophyllum clarki Swartz, Maryland Geol. Surv., Low Dev., 1913, p. 201, 



pi. 19, figs. 5-9. 

 Helderbergian (Keyser): Devils Backbone, near Cumberland; Pinto, etc., 



Maryland. 



Cyathophyllum conicum Castelnau. Not recognized. 



Cyathophyllum conicum Castelnau, Essai Syst. Sil. I'Amerique Septent., 1843, 



p. 48, pi. 21, fig. 4. 

 Silurian?: Banks of the Ohio, Illinois. 



CYATHOPHYLLUM CORITHEUM Owen. See Ptychophyllum expansum. 



Cyathophyllum densiseptatum Foerste. 



Cyathophyllum densiseptatum Foerste, Bull. Geol. Surv. Kentucky, 7, 1906, p. 



314, pi. 6, figs. 2a-f. 

 Clinton (Waco): Near Estill Springs, etc., Kentucky. 



Cyathophyllum dilatatum Castelnau. Not recognized. 



Cyathophyllum dilatatum Castelnau, Essai Syst. Sil. I'Amerique Septent., 1843, 



p. 48, pi. 21, fig. 3. 

 Silurian: Banks of Lake Huron. 



Cyathophyllum distinctum Castelnau. Not recognized. 



Cyathophyllum distinctum Castelnau, Essai Syst. Sil. PAmerique Septent., 1843, 



p. 49, pi. 22, fig. 8. 

 Silurian: Manitoulin Islands, Lake Huron. 



CYATHOPHYLLUM ERIPHYLE Billings. See Omphyma eriphyle. 



