''Iridomyrmex florissantius'' is an

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

species of ant in the subfamily

Dolichoderinae Dolichoderinae is a subfamily of ants, which includes species such as the Argentine ant (''Linepithema humile''), the erratic ant, the odorous house ant, and the cone ant. The subfamily presents a great diversity of species throughout the world ...

. It was described by

Frank M. Carpenter Frank Morton Carpenter (September 6, 1902 – January 18, 1994) was an American entomologist and paleontologist. He received his PhD from Harvard University, and was curator of fossil insects at the Harvard Museum of Comparative Zoology for 60 y ...

in 1930 after a

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

was found in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

.Carpenter, F. M. 1930. The fossil ants of North America. ''Bulletin of the Museum of Comparative Zoology'' 70:1-66.

PDF
123533

References

Iridomyrmex">† A dagger, obelisk, or obelus is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species). It is one of the modern descendan ...

Fossil ant taxa Hymenoptera of North America Fossil taxa described in 1930 Taxa named by Frank M. Carpenter {{Iridomyrmex-stub