Lophiparamys

Lophiparamys; Temporal range: Ypresian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	† Ischyromyidae
Subfamily:	† Microparamyinae
Genus:	† Lophiparamys ; Wood, 1962
Species
	Lophiparamys murinusMatthew, 1918 Lophiparamys debequensisWood, 1962 Lophiparamys woodiGuthrie, 1971

Last updated October 12, 2025

Lophiparamys is an extinct genus of microparamyine rodent that lived during the Ypresian stage of the Eocene epoch.

Palaeobiology

The morphology of the tarsus of Lophiparamys, including features such as an asymmetric astragalar tibial facet at the crurotarsal joint, a short calcaneal tuber, and the rounded shapes of both the calcaneal cuboid facet and astragalar head at the transverse tarsal joint, strongly implies that this paramyid was an arboreal animal.^[1]

References

↑ Zack, Shawn P.; Penkrot, Tonya A. (November 2023). "New material of Lophiparamys debequensis from the Willwood Formation (early Eocene) of Wyoming, including the first postcrania of the genus". Journal of Paleontology . 97 (6): 1293–1308. doi:10.1017/jpa.2023.88. ISSN 0022-3360 . Retrieved 4 October 2025– via Cambridge Core.

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[1] Zack, Shawn P.; Penkrot, Tonya A. (November 2023). "New material of Lophiparamys debequensis from the Willwood Formation (early Eocene) of Wyoming, including the first postcrania of the genus". Journal of Paleontology . 97 (6): 1293–1308. doi:10.1017/jpa.2023.88. ISSN 0022-3360 . Retrieved 4 October 2025– via Cambridge Core.

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