Opinions from G. F. Gunnell and K. D. Rose 2002
- 'Absarokius belongs to Anaptomorphini'
- 'Ageitodendron belongs to Utahiini'
- 'Anaptomorphus belongs to Anaptomorphini'
- 'Anemorhysis belongs to Anaptomorphini'
- 'Arapahovius belongs to Anaptomorphini'
- 'Asiomomys belongs to Utahiini'
- 'Aycrossia belongs to Anaptomorphini'
- 'Chipetaia belongs to Utahiini'
- 'Chlororhysis belongs to Anaptomorphini'
- 'Chumashius belongs to Omomyini'
- 'Dyseolemur belongs to Washakiini'
- 'Ekgmowechashala belongs to Omomyidae'
- 'Gazinius belongs to Anaptomorphini'
- 'Hemiacodon belongs to Macrotarsiini'
- 'Jemezius belongs to Uintaniini'
- 'Kohatius belongs to Omomyidae'
- 'Loveina belongs to Washakiini'
- 'Macrotarsiini belongs to Omomyinae'
- 'Macrotarsius belongs to Macrotarsiini'
- 'Microchoerus belongs to Microchoeridae'
- 'Nannopithex belongs to Microchoeridae'
- 'Nannopithex humilidens belongs to Nannopithex' according to Thalmann 1994
- 'Necrolemur belongs to Microchoeridae'
- 'Necrolemur zitteli belongs to Necrolemur' according to Schlosser 1887
- 'Omomys belongs to Omomyini'
- 'Loveina sheai is a subjective synonym of Loveina zephyri'
- 'Ourayia belongs to Utahiini'
- 'Pseudoloris belongs to Microchoeridae'
- 'Pseudotetonius belongs to Anaptomorphini'
- 'Rooneyia belongs to Rooneyiini'
- 'Shoshonius belongs to Washakiini'
- 'Sphacorhysis belongs to Trogolemurini'
- 'Steinius belongs to Omomyini'
- 'Stockia belongs to Utahiini'
- 'Strigorhysis belongs to Anaptomorphini'
- 'Tatmanius belongs to Anaptomorphini'
- 'Teilhardina belongs to Anaptomorphini'
- 'Tetonius belongs to Anaptomorphini'
- 'Trogolemur belongs to Trogolemurini'
- 'Uintanius belongs to Uintaniini'
- 'Utahia belongs to Utahiini'
- 'Washakius belongs to Washakiini'
- 'Wyomomys belongs to Utahiini'
- 'Xanthorhysis belongs to Tarsiidae'
- 'Yaquius belongs to Macrotarsiini'