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Acalyptratae

Waved Light Fly - Pyrgota undata - male Picture Wing Fly - Delphinia picta Stilt-legged Fly - Rainieria antennaepes Fly Seeks ID, #2 - Odontoloxozus longicornis Handsome Little Fly - Minettia lupulina Fly - Drosophila Thick-Headed Fly in Excellent Mimicry - Physocephala Marsh Fly - Sepedon
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon Acalyptratae
Identification
Antennae 3-segmented, with an arista. Lack the enlarged lower calypter, longitudinal suture on second antennal segment, and greater ampulla that characterize the Calyptratae.
Remarks
A very diverse group, probably paraphyletic. This group includes families with a wide variety of body forms and life histories.

The Wikipedia site gives classification and links to info on families, plus some common names within the following 10 superfamilies:
See Also
Internet References
classification of superfamilies and families, with additional links to some subfamilies, genera, and species (Systema Naturae 2000, Netherlands)
list of superfamilies and families with links to more information on each (Wikipedia)
the group Schizophora which includes Calyptratae and 10 superfamilies of Acalyptratae (Tree of Life)