New triassic procolophonid from Pennyslvania
Colbert, E.H.
New triassic procolophonid from Pennyslvania - New York 1960 - 19 p. - American Museum Novitates, No. .
New triassic procolophonid from Pennyslvania - New York 1960 - 19 p. - American Museum Novitates, No. .