00850cam a2200253 4500 gs 67000283 DLC 20260227111421.0 690527s1968 dcua b 00110 eng c gs 67000283 //r85 U.S. Geological Survey Library QE75 .P9 no. 578 562 Huddle, John Warfield, 1907- Redescription of Upper Devonian conodont genera and species proposed by Ulrich and Bassler in 1926, by John W. Huddle. Washington, U.S. Govt. Print. Off., 1968. iii, 55, [36] p. illus. 29 cm. 0.75 Geological Survey professional paper 578 Bibliography: p. 48-50. Paleontology Devonian. Conodonts. Geological Survey professional paper ; 578. 30372 30372