Category
page 1Florissant Formation

Palaeovespa
Palaeovespa is an extinct genus of wasp in the Vespidae subfamily Vespinae. The genus currently contains eight species: five from the Priabonian stage Florissant Formation in Colorado, United States, two from the middle Eocene Baltic amber deposits of Europe, and one species from the late Paleocene of France.

Eulithomyrmex
Eulithomyrmex is an extinct genus of ant in the formicid subfamily Agroecomyrmecinae. The genus contains two described species, Eulithomyrmex rugosus and Eulithomyrmex striatus. Eulithomyrmex is known from a group of Late Eocene fossils which were found in North America.
Dolichoderus antiquus
species of insect (fossil)
Florissant Fossil Beds National Monument
national monument in the United States
Aphaenogaster mayri
species of insect (fossil)
Dolichoderus rohweri
species of insect (fossil)
Aphaenogaster donisthorpei
species of insect (fossil)
Prodryas
Prodryas persephone is an extinct species of brush-footed butterfly, known from a single specimen from the Chadronian-aged Florissant Shale Lagerstätte of Late Eocene Colorado. P. persephone is the first fossil butterfly to be found in North America, and is exquisitely well preserved. Its closest extant relatives are the mapwings and African admirals of the genera Hypanartia and Antanartia, respectively.
Elaeomyrmex
Elaeomyrmex is an extinct genus of ant in the subfamily Dolichoderinae and containing two species. The fossils were first described from the Florissant Formation, Colorado in 1930.
Amyzon
extinct genus of fishes