COSMOPOLITAN CONODONTS IN THE SHURTLEFF CONCRETION HORIZON, UPPER CASHAQUA SHALE, SONYEA GROUP, MIDDLE FRASNIAN (UPPER DEVONIAN), APPALACHIAN BASIN IN WESTERN NEW YORK STATE
1969 ◽
Vol 56
(8)
◽
pp. 880-891
◽
2015 ◽
Vol 433
◽
pp. 233-246
◽
1980 ◽
Vol Vol. 50
◽
1986 ◽
Vol 55
(1)
◽
pp. 65-77
◽
2005 ◽
Vol 166
(6)
◽
pp. 1029-1045
◽