Gobiconodon - AbsoluteAstronomy.com

Gobiconodon is an extinct genus of carnivorous mammal

Mammal

Mammals are members of a class of air-breathing vertebrate animals characterised by the possession of endothermy, hair, three middle ear bones, and mammary glands functional in mothers with young...

. It weighed 10–12 pounds and measured 18-20 inches, and might have resembled a large and robust opossum.

Species

Species	Material	Age	Location	Unit	\| Notes
G. borissiaki	10 upper and lower jaws & 3 upper and lower jaws. Holotype: PIN 3101/09	Aptian Aptian The Aptian is an age in the geologic timescale or a stage in the stratigraphic column. It is a subdivision of the Early or Lower Cretaceous epoch or series and encompasses the time from 125.0 ± 1.0 Ma to 112.0 ± 1.0 Ma , approximately... - Albian Albian The Albian is both an age of the geologic timescale and a stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early/Lower Cretaceous epoch/series. Its approximate time range is 112.0 ± 1.0 Ma to 99.6 ± 0.9 Ma...	Mongolia	Khoboor Beds	Neoconodon is a synonym.
G. borissiaki	1 fragmentary lower jaw	Neocomian Neocomian In geology, Neocomian was a name given to the lowest stage of the Cretaceous system. It was introduced by Jules Thurmann in 1835 on account of the development of these rocks at Neuchâtel , Switzerland. It has been employed in more than one sense. In the type area the rocks have been divided into... - Albian Albian The Albian is both an age of the geologic timescale and a stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early/Lower Cretaceous epoch/series. Its approximate time range is 112.0 ± 1.0 Ma to 99.6 ± 0.9 Ma...	Russia	Siberia Siberia Siberia is an extensive region constituting almost all of Northern Asia. Comprising the central and eastern portion of the Russian Federation, it was part of the Soviet Union from its beginning, as its predecessor states, the Tsardom of Russia and the Russian Empire, conquered it during the 16th...
G. hoburensis	21 upper and lower jaws. Holotype: PIN 3101/24	Aptian Aptian The Aptian is an age in the geologic timescale or a stage in the stratigraphic column. It is a subdivision of the Early or Lower Cretaceous epoch or series and encompasses the time from 125.0 ± 1.0 Ma to 112.0 ± 1.0 Ma , approximately... - Albian Albian The Albian is both an age of the geologic timescale and a stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early/Lower Cretaceous epoch/series. Its approximate time range is 112.0 ± 1.0 Ma to 99.6 ± 0.9 Ma...	Mongolia Russia	Khoboor Beds Siberia Siberia Siberia is an extensive region constituting almost all of Northern Asia. Comprising the central and eastern portion of the Russian Federation, it was part of the Soviet Union from its beginning, as its predecessor states, the Tsardom of Russia and the Russian Empire, conquered it during the 16th...	Guchinodon hoburensis is a synonym. The smallest Gobiconodon.
G. hopsoni	2 upper and lower jaws (PSS-MAE 140 (Holotype) & PSS-MAE 139)	?Vanginian - Neocomian Neocomian In geology, Neocomian was a name given to the lowest stage of the Cretaceous system. It was introduced by Jules Thurmann in 1835 on account of the development of these rocks at Neuchâtel , Switzerland. It has been employed in more than one sense. In the type area the rocks have been divided into...	Mongolia	Oshih Formation	The largest Gobiconodon.
G. palaios		?Berriasian Berriasian In the geological timescale, the Berriasian is an age or stage of the Early or Lower Creteceous. It is the oldest or lowest subdivision in the entire Cretaceous. It spanned between 145.5 ± 4.0 Ma and 140.2 ± 3.0 Ma...	Morocco	Anoual
Gobiconodon sp.	2 fragmentary lower jaws	?Vanginian - Neocomian Neocomian In geology, Neocomian was a name given to the lowest stage of the Cretaceous system. It was introduced by Jules Thurmann in 1835 on account of the development of these rocks at Neuchâtel , Switzerland. It has been employed in more than one sense. In the type area the rocks have been divided into...	Mongolia	Oshih Formation
G. sp. A		Lower Cretaceous	Russia	Ilek Formation
G. sp. B		Lower Cretaceous	Russia	Ilek Formation
G. luoianus	nearly complete skull (41H III-0320 (Holotype))	Aptian Aptian The Aptian is an age in the geologic timescale or a stage in the stratigraphic column. It is a subdivision of the Early or Lower Cretaceous epoch or series and encompasses the time from 125.0 ± 1.0 Ma to 112.0 ± 1.0 Ma , approximately...	Mainland China	Yixian Formation Yixian Formation The Yixian Formation is a geological formation in Jinzhou, Liaoning, People's Republic of China, that spans 11 million years during the early Cretaceous period...
G. ostromi	2 incomplete skeletons (MCZ 19965 (Holotype) & MCZ 19860)	Aptian Aptian The Aptian is an age in the geologic timescale or a stage in the stratigraphic column. It is a subdivision of the Early or Lower Cretaceous epoch or series and encompasses the time from 125.0 ± 1.0 Ma to 112.0 ± 1.0 Ma , approximately... - Albian Albian The Albian is both an age of the geologic timescale and a stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early/Lower Cretaceous epoch/series. Its approximate time range is 112.0 ± 1.0 Ma to 99.6 ± 0.9 Ma...	United States	Cloverly Formation Cloverly Formation The Cloverly Formation are Lower Cretaceous strata located in Montana and Wyoming, in the western United States. The term now includes strata that had formerly been called the Dakota Formation in central and southern Wyoming.-Members:...
G. zofiae	partial skull and lower jaws (IVPP V12585 (Holotype))	Hauterivian Hauterivian The Hauterivian is, in the geologic timescale, an age in the Early Cretaceous epoch or a stage in the Lower Cretaceous series. It spans the time between 136.4 ± 2 Ma and 130 ± 1.5 Ma...	Mainland China	Yixian Formation Yixian Formation The Yixian Formation is a geological formation in Jinzhou, Liaoning, People's Republic of China, that spans 11 million years during the early Cretaceous period...

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