Family Microdesmidae (ray-finned fish)
Osteichthyes - Gobiiformes - Microdesmidae
Parent taxon: Gobioidei according to R. Betancur et al. 2013
Sister taxa: Butidae, Carlomonnius, Eleotridae, Gobius microcephalus
Subtaxa: none
Ecology: planktonic suspension feeder
Distribution: found only at Tianliao Site 5, Kaohsiung (mudstone) (Pliocene of Taiwan)