Lack of evolution in 'Limulus' (U. Jurassic and Recent)
- WOK 16-4
- Pièce
- [1962]
Fait partie de W.O. Kupsch fonds
Lack of evolution in 'Limulus' (U. Jurassic and Recent), 'Terebratula' (U. Jurassic and Recent) and 'Amiskwia' (M. Cambrian) and 'Sagitta' (Recent). (Umbgrove, 1943, p. 43).