Belongs within: Euarchonta.
The Paromomyidae are slender-limbed arboreal mammals known from the Palaeocene to the middle Eocene of North America and Eurasia (Rose 2006).
Characters (Rose 2006): P4 with tall, single-cusped trigonid and small talonid basin. Molars quadrate, relatively broad and flat, with lowers having wide talonid basins and uppers having expanded hypocone shelves.
<==Paromomyidae
| i. s.: Acidomomys hebeticusBS07
| ElwynellaR06
| ArciusR06
|--Picrodontinae [Picrodontidae]G91
| |--Draconodus Tomida 1982SM93
| |--Picrodus Douglass 1908SM93
| | `--P. silberlingi Douglass 1908S35b
| `--Zanycteris Matthew 1917G91, S35a
| `--*Z. paleocena Matthew 1917 [=Z. paleocenus, Palaeonycteris palaeocenica]S35a
`--Paromomyinae [Phenacolemuridae]G91
|--Paromomys Gidley 1923NG13, SM93
| |--P. depressidens Gidley 1923S35b
| `--P. maturus Gidley 1923S35b
`--+--Ignacius Matthew & Granger 1921NG13, BS07
| |--*I. frugivorus Matthew & Granger 1921S35a
| |--I. clarkforkensis Bloch, Silcox et al. 2007BS07
| |--I. fremontensisBS07
| `--I. graybullianusNG13
`--Phenacolemur Matthew 1915NG13, SM93
|--P. citatusBS07 [=P. praecox citatusRLS67]
|--P. frugivorusS35a
|--P. fuscus Russell, Louis & Savage 1967RLS67
|--P. jepseniNG13
|--P. lapparenti Russell, Louis & Savage 1967RLS67
|--P. praecoxBS07 [=Phenacodus (l. c.) praecoxT90]
|--P. shifrae Robinson 1968W96
`--P. simonsiBS07
*Type species of generic name indicated
References
[BS07] Bloch, J. I., M. T. Silcox, D. M. Boyer & E. J. Sargis. 2007. New Paleocene skeletons and the relationship of plesiadapiforms to crown-clade primates. Proceedings of the National Academy of Sciences of the USA 104 (4): 1159–1164.
[G91] Groves, C. P. 1991. A Theory of Human and Primate Evolution revised ed. Clarendon Press: Oxford.
[NG13] Ni, X., D. L. Gebo, M. Dagosto, J. Meng, P. Tafforeau, J. J. Flynn & K. C. Beard. 2013. The oldest known primate skeleton and early haplorhine evolution. Nature 498: 60–64.
[R06] Rose, K. D. 2006. The Beginning of the Age of Mammals. John Hopkins University Press: Baltimore.
[RLS67] Russell, D. E., P. Louis & D. E. Savage. 1967. Primates of the French early Eocene. University of California Publications in Geological Sciences 73: 1–46.
[S35a] Simpson, G. G. 1935a. The Tiffany fauna, Upper Paleocene. I.—Multituberculata, Marsupialia, Insectivora, and ?Chiroptera. American Museum Novitates 795: 1–19.
[S35b] Simpson, G. G. 1935b. New Paleocene mammals from the Fort Union of Montana. Proceedings of the United States National Museum 83 (2981): 221–244.
[SM93] Stucky, R. K., & M. C. McKenna. 1993. Mammalia. In: Benton, M. J. (ed.) The Fossil Record 2 pp. 739–771. Chapman & Hall: London.
[T90] Thewissen, J. G. M. 1990. Evolution of Paleocene and Eocene Phenacodontidae (Mammalia, Condylarthra). Museum of Paleontology Papers on Paleontology 29: 1–107.
[W96] Walsh, S. L. 1996. S. Middle Eocene mammal faunas of San Diego County, California. In: Prothero, D. R., & R. J. Emry (eds) The Terrestrial Eocene–Oligocene Transition in North America pp. 75–119. Cambridge University Press.