†family Rhombinidae Sylvester-Bradley 1951 (ostracod)
Ostracoda - Myodocopida - Rhombinidae
Parent taxon: Cypridinacea according to R. H. Benson et al. 1961
Sister taxa: Cyclindroleberididae, Cypridinellidae, Cyprosis, Ranapeltis
Subtaxa: Palaeophilomedes Rhombina
Type: Rhombina
Ecology: planktonic suspension feeder-detritivore
Distribution: found only at Coumiac Frasnian/Famennian boundary stratotype, Frasnian part (Devonian of France)