Family Leptosomidae Bonaparte 1850 (bird)
Aves - Leptosomiformes - Leptosomidae
Alternative spelling: Leptosomatidae
Parent taxon: Leptosomiformes according to J. F. Clements et al. 2017
See also Carroll 1988, del Hoyo et al. 2014, Livezey and Zusi 2007, Mayr 2005 and Olson 1985
Sister taxa: Plesiocathartes, Waltonavis
Subtaxa: Leptosomus
Ecology: ground dwelling carnivore
Distribution:
• Quaternary of Madagascar (3 collections)
• Cretaceous of Lebanon (1)
Total: 4 collections each including a single occurrence