TY  - BOOK
AU  - Huddle,John Warfield
TI  - Redescription of Upper Devonian conodont genera and species proposed by Ulrich and Bassler in 1926,
T2  - Geological Survey professional paper 578
AV  - QE75 .P9 no. 578
U1  - 562 
PY  - 1968///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Paleontology
KW  - Devonian
KW  - Conodonts
N1  - Bibliography: p. 48-50
ER  -