The family Elliidae was recently erected for two genera of extinct fossil
flies known only from the Mesozoic. The genus Ellia (Krzeminska,
Blagoderov & Krzeminski, 1993) has been found in the Jurassic/Cretaceous
boundary layer in Mongolian deposits and also the Lower Cretaceous of the
Transbaikal in Siberia. Polyanka Krzeminska, Blagoderov & Krzeminski
is known from Upper Jurassic deposits in Kazakhstan.
The phylogenetic placement of the Elliidae is postulated by Krzeminska et
al. (1993) as being the sister-group to the Perissommatidae, Axymyidae,
and Thaumaleidae, based primarily on venational characters.
Ref.: Krzeminska et al. (1993, review and phylogeny of taxa).
ELLIA Krzeminska et al., 1993: 583. Type species: Ellia
colorissima Krzeminska et al., 1993, by original designation.
colorissima Krzeminska et al., 1993: 583. PA: Russia (Siberia)
(Lower Cretaceous) [C].
khara Krzeminska et al., 1993: 584. PA: Mongolia (Upper Jurassic/Lower
Cretaceous) [C].
POLYANKA Krzeminska et al., 1993: 585. Type species: Polyanka
minuta Krzeminska et al., 1993, by original designation.
minuta Krzeminska et al., 1993: 585. PA: Kazakhstan (Upper
Jurassic) [C].