Die gekielde ammoniete van die Suid-Afrikaanse Gault
Series: Paleontologiese navorsing -- d. 1, st. 3-9; Paleontologiese navorsing -- d. 1, st. 3-9.
Publisher: Nasionale Museum
Published: 1941
Place of publication: Blomfontein
Language: dut
Number of pages: 344
Subjects: Ammonoidea; Fossil Mollusks