Aceroryctes

Aceroryctes Temporal range: 54.4–54.1 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ early Eocene

lower jaw fragment of Aceroryctes dulcis
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Infraclass:	Placentalia (?)
Order:	†Palaeoryctida
Family:	†Palaeoryctidae
Genus:	† Rankin & Holroyd, 2014^[1]
Type species
†Aceroryctes dulcis Rankin & Holroyd, 2014^[1]

Aceroryctes ("bitter digger")^[1] is an extinct genus of mammals from family Palaeoryctidae, that lived in North America during the early Eocene. Type species Aceroryctes dulcis is known from the Wasatch Formation of Wyoming.^[1]

Phylogeny

Placentalia

	†Taeniodonta

	†Alveugena

†Procerberinae

†Ambilestes

Atlantogenata

Boreoeutheria

†Palaeoryctida

†Palaeoryctidae

	†Pinoryctes

?	†Palaeoryctidae sp. (Andarak 2, Osh, Kyrgyzstan)

†Nuryctes

?

†Palaeoryctidae sp. indet. 1

?

†Palaeoryctidae sp. indet. 2

?

†Palaeoryctidae sp. (RI 343 & RI 355)

?

†Palaeoryctes minimus

†Palaeoryctes puercensis

†Palaeoryctinae

†Palaeoryctes jepseni

†Palaeoryctes punctatus

†*Palaeoryctes*
	†Palaeoryctes cruoris

?	†Palaeoryctes sp. (Roche Percée, Saskatchewan, Canada)

	†Aaptoryctes

†Eoryctes

	†Ottoryctes

†Aceroryctes	†Aceroryctes dulcis

†Lainoryctes

References

^ ^a ^b ^c ^d Rankin, Brian D.; Holroyd, Patricia A. (7 November 2014). Sues, Hans-Dieter (ed.). "Aceroryctes dulcis, a new palaeoryctid (Mammalia, Eutheria) from the early Eocene of the Wasatch Formation of southwestern Wyoming, USA". Canadian Journal of Earth Sciences. 51 (10): 919–926. doi:10.1139/cjes-2014-0101. ISSN 0008-4077. Retrieved 3 June 2025 – via Canadian Science Publishing.