Fox, Richard C.
Two New Pelycosaurs from the Lower Permian of Oklahoma [recurso electrónico] / Richard C. Fox - Project Gutenberg, 2009 - Project Gutenberg 30620 .
Public domain in the USA.
Text
Paleontology -- Permian Pelycosauria
QH
Two New Pelycosaurs from the Lower Permian of Oklahoma [recurso electrónico] / Richard C. Fox - Project Gutenberg, 2009 - Project Gutenberg 30620 .
Public domain in the USA.
Text
Paleontology -- Permian Pelycosauria
QH