Limnocyoninae ("swamp dogs") is a clade of extinct predatory

mammal A mammal () is a vertebrate animal of the Class (biology), class Mammalia (). Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three ...

s from extinct order

Hyaenodonta Hyaenodonta (" hyena teeth") is an extinct order of hypercarnivorous placental mammals of clade Pan-Carnivora from mirorder Ferae. Hyaenodonts were important mammalian predators that arose during the early Paleocene in Europe and persisted w ...

. Fossil remains of these mammals are known from late

Paleocene The Paleocene ( ), or Palaeocene, is a geological epoch (geology), epoch that lasted from about 66 to 56 mya (unit), million years ago (mya). It is the first epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), ...

to late

Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...

deposits in

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

and

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

. Limnocyonines had only two molars in the upper and lower dentition.M. Morlo and G. F. Gunnell (2005.
"New species of ''Limnocyon'' (Mammalia, Creodonta) from the Bridgerian (middle Eocene)."
Journal of Vertebrate Paleontology 25(1):251-255

Classification and phylogeny

Taxonomy

References

{{Taxonbar, from=Q33138343 Hyaenodonts Paleogene mammals of North America Paleogene mammals of Asia Prehistoric mammal families