Fossil plants, crustaceans (Conchostraca and ?Amphipoda) and insects (Blattodea indet. and the cercopid hemipteran Procercopina thailandica sp. nov.) from lacustrine sediments of probable Middle Jurassic age from the Phra Wihan Formation in northern Thailand are reported.
No takes yet. Share an insight, caveat, or question.
Heggemann et al. (1990) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: