Welton, Bruce J.
Heptranchias howellii (Reed, 1946) (Selachii, Hexanchidae) in the Eocene of the United States and British Columbia / by Bruce J. Welton. - Berkeley : University of California, Museum of Paleontology, 1974. - 15 p. : ill. ; 23 cm. - Paleobios ; no. 17 . - Contributions from the University of California Museum of Paleontology . - California. University. Museum of Paleontology. Contributions. .
Cover title.
Bibliography: p. 14-15.
76354378
Heptranchias howellii.
Paleontology--Eocene.
Paleontology--North America.
QE701 QE852.E6 / .P46 no. 17
560.8 s 567/.3
Heptranchias howellii (Reed, 1946) (Selachii, Hexanchidae) in the Eocene of the United States and British Columbia / by Bruce J. Welton. - Berkeley : University of California, Museum of Paleontology, 1974. - 15 p. : ill. ; 23 cm. - Paleobios ; no. 17 . - Contributions from the University of California Museum of Paleontology . - California. University. Museum of Paleontology. Contributions. .
Cover title.
Bibliography: p. 14-15.
76354378
Heptranchias howellii.
Paleontology--Eocene.
Paleontology--North America.
QE701 QE852.E6 / .P46 no. 17
560.8 s 567/.3