Bartsch, Paul Associated date(s): 1871-1960. Shelled invertebrates of the past and present v.10 (1931) Bassler, Ray S.; Resser, Charles Elmer; Schmitt, Waldo L.; Bartsch, Paul Smithsonian Institution Series 1931 Read more about Shelled invertebrates of the past and present v.10 (1931)
Associated date(s): 1871-1960. Shelled invertebrates of the past and present v.10 (1931) Bassler, Ray S.; Resser, Charles Elmer; Schmitt, Waldo L.; Bartsch, Paul Smithsonian Institution Series 1931 Read more about Shelled invertebrates of the past and present v.10 (1931)
