†Sargentina tumida Cooper 1946 (ostracod)
Ostracoda - Palaeocopida - Knoxitidae
Belongs to Sargentina according to A. Chitnarin et al. 2008
Sister taxa: Sargentina chantarameei, Sargentina minuta, Sargentina pamucakensis, Sargentina phetchabunensis, Sargentina postacuta, Sargentina transita
Ecology: epifaunal suspension feeder
Average measurements (in mm): valve length 0.640