The species diversity of ostracods in the floodplain of the Chi River basin, Mahasarakham Province, Northeast Thailand was examined in this study. Twenty-two samples were collected in the cool season (February 2010). Twenty-six species belonging to 18 genera were recorded, three of which are new to the Oriental region (Fabaeformiscandona subacuta (Yang, 1982), Ilyocypris monstrifica (Norman, 18...

The results of integrate biostratigraphic study Upper Jurassic deposits the clay pit near village Valy (Syzran district, Samara region) are presented. For first time a bed-by-bed description was made and subdivision section into zones, subzones biohorizons by ammonites established. Bauhini Kitchini zones (Bayi subzone) established in Lower Kimeridgian, while Kimmeridgian is represented Autissio...