User:Abyssal/Portal:Paleogene/DYK/38

... that the discovery of the fossil giant ant Titanomyrma (pictured with a hummingbird) in Wyoming indicates that warmth-loving fauna spread through the north between Europe and America during hot spells in the Eocene?
... that the extinct plant species Eucommia jeffersonensis and Eucommia rolandii were both described from fossils in 1997?
... that the nearest living relatives of Eosacantha, a fossil tortoise beetle from Colorado, are found in Africa, tropical Asia, and Australia?
... that of the three described species in the Eocene bulldog ant genus Avitomyrmex, one species is known only from worker caste individuals?
... that the fossil big-headed fly Priabona is named for the age of the rocks in which it was found?