Primobucco is an extinct genus of bird placed in its own family, Primobucconidae. The type species, Primobucco mcgrewi, lived during the Lower Eocene of...

and given the name Primobucco mcgrewi. The discovery of more complete specimens, including twelve in 2010, shows that Primobucco was instead an early...

humerus. It is much larger than modern day rollers and its sister taxon Primobucco, more similar in size and proportion to kingfishers, motmots, and bee-eaters...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

– bucerotid? geranopterid? Family Primobucconidae (fossil), including Primobucco and Septencoracias Coraciiformes gen. et spp. indet. PQ 1216, QU 15640...

Primobucco, an early relative of the roller...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

complete skeleton of a bird from the Green River Formation was described as "Primobucco" olsoni in 1976 from the speciment GSATC 217 as a relative to the Bucconidae...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...

†Eocoraciidae Eocoracias †Geranopteridae Geranopterus †Primobucconidae Primobucco Septencoracias Brachypteraciidae Atelornis Brachypteracias Geobiastes...