Mondegodon
Encyclopedia
Mondegodon is an extinct genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of basal "mesonychian" which existed in Portugal
Portugal
Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

, during the earliest Eocene
Eocene
The Eocene Epoch, lasting from about 56 to 34 million years ago , is a major division of the geologic timescale and the second epoch of the Paleogene Period in the Cenozoic Era. The Eocene spans the time from the end of the Palaeocene Epoch to the beginning of the Oligocene Epoch. The start of the...

 (Neustrian age). It is known from the holotype – UNLSNC-19, and other parts of dentary, recovered from the locality of Silveirinha, Portugal
Portugal
Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

. It was first named by Rodolphe Tabuce, Julien Clavel and Miguel Telles Antunes in 2011
2011 in paleontology
-Lobopods:-Arachnids:-Insects:-Newly named jawless vertebrates:-Newly named acanthodian:-Newly named cartilaginous fishes:-Newly named bony fishes:-Newly named lepospondyls:-Newly named temnospondyls:-Newly named lissamphibians:...

 and the type species is Mondegodon eutrigonus. The generic name is derived from "Baixo Mondego
Baixo Mondego
Baixo Mondego is a Portuguese NUTS3 subregion that comprises the lower part of the Mondego River. It is a subregion of the Centro Region and is centered on the historical city of Coimbra...

", the region where Silveirinha is located; and odon (Greek), for "tooth" by analogy with triisodontid
Triisodontidae
Triisodontidae is an extinct family of mesonychian placental mammals. Most triisodontid genera lived during the early Paleocene in North America, but the genus Andrewsarchus is known from the late Eocene of Asia. Triisodontids were the first relatively large predatory mammals to appear in North...

 generic names. The specific name is derived from the prefix eu (Greek), "well", and trigonus (Latin), "three-cornered" in reference to the remarkable tricuspidate pattern of the upper molars
Molar (tooth)
Molars are the rearmost and most complicated kind of tooth in most mammals. In many mammals they grind food; hence the Latin name mola, "millstone"....

.
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