The heteromorph ammonite Didymoceras cochleatum (Meek and Hayden, 1858), from the Pierre Shale of South Dakota and Wyoming. American Museum novitates ; no. 3268
Cobban, William Aubrey, 1916- Kennedy, W. J. (William James) Landman, Neil H.
Book
1999
English
Find in a local library Download MODS