LAN-TU, Nguyen 1970 (Nov 10) Some fossil Permian algae from Vietnam, Cambodia and Laos Arch. Géol. Viêt-Nam 13(2): 1-84, IX pls, 2 text-figs., II tables 14 species in 11 genera, incl. Paleoliagora, n.g., Ortonella densa, Gymnocodium duplium, Solenopora saurinii, Paleoliagora vietnamica, Gyroporella regulata, Succodium endoi n.spp. |