Huddle, John Warfield,  1907- <br/><br/>
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. 
 - Geological Survey professional paper 578 .
 - Geological Survey professional paper ;  578. .
<br/><br/>Bibliography: p. 48-50. 
<br/><br/><label>LCCN: </label>gs 67000283 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontology--Devonian.<br/>Conodonts.
<br/><br/><label>LC Class. No.: </label>QE75  / .P9 no. 578 
<br/><br/><label>Dewey Class. No.: </label>562