n lizard") is a 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 ornithopod

Ornithopod

Ornithopods or members of the clade Ornithopoda are a group of ornithischian dinosaurs that started out as small, bipedal running grazers, and grew in size and numbers until they became one of the most successful groups of herbivores in the Cretaceous world, and dominated the North American...

 dinosaur

Dinosaur

Dinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of...

. In May 2003 three fossils of Koreanosaurus were found in the Late Cretaceous

Late Cretaceous

The Late Cretaceous is the younger of two epochs into which the Cretaceous period is divided in the geologic timescale. Rock strata from this epoch form the Upper Cretaceous series...

-age Seonso Conglomerate

Seonso Conglomerate Formation

The Seonso Conglomerate Formation is a Mesozoic geologic formation. Fossil dinosaur eggs have been reported from the formation.-See also:* List of dinosaur-bearing rock formations** List of stratigraphic units with dinosaur trace fossils*** Dinosaur eggs...

 from the southern coast of the Bi-bong Dinosaur Fossil Findspot, Boseong

Boseong

Boseong County is a county in South Jeolla Province, South Korea. Boseong is famous for its green tea leaves. It is also the birthplace of the Korean independence activist Philip Jaisohn.-History:...

, Korean Peninsula

Korean Peninsula

The Korean Peninsula is a peninsula in East Asia. It extends southwards for about 684 miles from continental Asia into the Pacific Ocean and is surrounded by the Sea of Japan to the south, and the Yellow Sea to the west, the Korea Strait connecting the first two bodies of water.Until the end of...

: the holotype

Holotype

A holotype is a single physical example of an organism, known to have been used when the species was formally described. It is either the single such physical example or one of several such, but explicitly designated as the holotype...

 KDRC-BB2, a partial skeleton lacking the skull, and the paratype

Paratype

Paratype is a technical term used in the scientific naming of species and other taxa of organisms. The exact meaning of the term paratype when it is used in zoology is not the same as the meaning when it is used in botany...

s KDRC-BB1 and KDRC-BB3. The type species

Type species

In biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...

 is Koreanosaurus boseongensis, after its discovery locality (Boseong

Boseong

Boseong County is a county in South Jeolla Province, South Korea. Boseong is famous for its green tea leaves. It is also the birthplace of the Korean independence activist Philip Jaisohn.-History:...

 site 5). The type species was initially named and described in a master's thesis by Lee Dae-Gil in 2008,, and was officially published by Min Huh, Dae-Gil Lee, Jung-Kyun Kim, Jong-Deock Lim and Pascal Godefroit 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:...

.

Koreanosaurus was considered to be a basal member of the Ornithopoda by the authors, forming a clade

Clade

A clade is a group consisting of a species and all its descendants. In the terms of biological systematics, a clade is a single "branch" on the "tree of life". The idea that such a "natural group" of organisms should be grouped together and given a taxonomic name is central to biological...

 with Zephyrosaurus

Zephyrosaurus

Zephyrosaurus is a genus of hypsilophodont ornithopod dinosaur. It is based on a partial skull and postcranial fragments discovered in the Aptian-Albian-age Lower Cretaceous Cloverly Formation of Carbon County, Montana...

 schaffi, Orodromeus

Orodromeus

Orodromeus is a genus of herbivorous ornithopod dinosaur from the Late Cretaceous of North America.-Discovery and naming:...

 makelai and Oryctodromeus

Oryctodromeus

Oryctodromeus was a genus of small ornithopod dinosaur. Fossils are known from the middle Cretaceous Blackleaf Formation of southwestern Montana and the Wayan Formation of southeastern Idaho, both of the Cenomanian stage, roughly 95 million years ago...

cubicularis from which they deduced a burrowing lifestyle.