Horolodectes sunae is a prehistoric eutherian mammal species from the Late Paleocene of northern Alberta, Canada. The generic name means "hourglass biter" in Greek in direct reference of the hourglass-shape of its teeth.

Horolodectes
Temporal range: Late Paleocene
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Clade: Eutheria
Family: Horolodectidae
Genus: Horolodectes
Scott et al. 2006
Type species
Horolodectes sunae

Horolodectes, along with the slightly older genus Ferrequitherium, belongs to the family Horolodectidae.[1]

Description

edit

The dentition of Horolodectes comprises trenchant, posteriorly leaning premolars and comparatively primitive molars, which indicate a masticatory cycle that consisted primarily of shearing and, to a lesser degree, horizontal grinding.[2]

References

edit
  1. ^ Craig S. Scott (2018). "Horolodectidae: a new family of unusual eutherians (Mammalia: Theria) from the Palaeocene of Alberta, Canada". Zoological Journal of the Linnean Society. in press. doi:10.1093/zoolinnean/zly040.
  2. ^ Scott C.S, Webb M.W. and Fox R.C. (2005). "Horolodectes sunae, an enigmatic mammal from the Late Paleocene of Alberta, Canada". Journal of Paleontology: 1009–1025. [1]