Family ELLIIDAE

 

 

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).



 

 

Genus ELLIA Krzeminska, Blagoderov & Krzeminski

 

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].



purbeckensis Coram & Jarzembowski, 1999: 854. PA: UK (Lower Cretaceous) [C].

 

 

Genus POLYANKA Krzeminska, Blagoderov & Krzeminski

 

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].