†family Gracilitarsidae Mayr 2001 (bird)
Aves - Neornithes - Gracilitarsidae
Full reference: G. Mayr. 2001. A new specimen of the tiny Middle Eocene bird Gracilitarsus mirabilis (new family: Gracilitarsidae). The Condor 103(1):78-84
Parent taxon: Neognathae according to G. Mayr 2001
See also Mayr 2005
Sister taxa: Alciformes, Anas benedeni, Anas creccoides, Caprimulgiformes, Eurolimnornithiformes, Juncitarsus, Neoaves, Odontoanserae, Pangalloanserae, Passeriformes, Perplexicervix, Scandiavis, Vastanavis
Subtaxa: Gracilitarsus
Type: Gracilitarsus
Ecology: ground dwelling carnivore
Distribution: found only at Grube Messel pit (Karlsruhe collection) (Eocene of Germany)