ARSTANOSAURUS species undescribed

Meaning of Name:

Reptile from Arstan Well

Classification:

ORNITHOPODA; Hadrosauridae, Hadrosaurinae

Age:

Late Cretaceous (Santonian) Bayn Shireh Formation, 85 million years ago

Locality:

Gobi Desert, Peoples' Republic of Mongolia

Size:

 l5cm in length

AVIMIMUS portentosus

Meaning of Name:

Bird Mimic

Classification:

THEROPODA; relationships uncertain

Age:

Late Cretaceous (Campanian) Djadokhta Formation, 75 million years ago

Locality:

Gobi Desert, Peoples' Republic of Mongolia

Size:

l00cm in length

Partial skeleton. In position as if found in field

BAGACERATOPS rozhdestvenskyi

Meaning of Name:

Small horned face

Classification:

CERATOPSIA; Neoceratopsia; Protoceratopsidae

Age:

Late Cretaceous (Campanian), Barun Goyot Formation, 75 million years ago

Locality:

Gobi Desert, Southern Khermin Tsav, Mongolia

Size:

3.5cm in length

BIARMOSUCHUS tener

Meaning of Name:

Crocodile from Biarmia, an ancient country in the Perm region.

Classification:

THERAPSIDA; Eotheriodontia; Family Biarmosuchidae

Age:

Late Permian, Zone I, 225 million years ago

Locality:

Ocher, Perm Region, Russia

Size:

75cm in length

Half skeleton encased in sediment, as found in the field.

BULLOCKORNIS planei (Demon Duck of Doom)

Meaning of Name:

Bird from Bullock Creek

Classification:

Flightless Bird

Age:

12 million years

Locality:

Northern Territory, Australia

Size:

 250cm in height

CATOPSALIS djadochtatherium

Meaning of Name:

Beast from Djadokhta

Classification:

MULTITUBERCULATA; Taeniolabididae

Age:

Late Cretaceous (75 million years ago)

Locality:

Gobi Desert, Peoples' Republic of Mongolia

Size:

4.5cm in length

DEINOCHEIRUS mirificus

Meaning of Name:

Terrible hand

Classification:

THEROPODA; Relationship uncertain

Age:

Late Cretaceous (Late Campanian-Early Maastrichtian), Nemegt Formation, 75 million years ago.

Locality:

Gobi Desert, Southern Peoples' Republic of Mongolia

Size:

Mounted on frame in upright position

DELTAVYATKA vjatkensis

Meaning of Name:

'from the VYAAKTA river'

Classification:

Para-reptilia; Pareiasauridae

Age:

Late Permian 255 million years ago

Locality:

VYAAKTA river, Russia

Size:

20cm in length

DICYNODON trautscholdi

Meaning of Name:

Double Dog-Tooth

Classification:

THERAPSIDA; Anomodontia; Family Dicynodontidae

Age:

Late Permian, Zone IV, 245 million years ago

Locality:

Sokolki, Malaya Severnaya (Small North) Dvina River near Archangel'sk, Northern Russia

Size:

25cm in length

This skull is compared to that of more primitive mammal-like reptiles to illustrate the evolutionary trends that have occurred in this group.

DVINIA prima

Meaning of Name:

Derived from the Dvina River

Classification:

THERAPSIDA; Cynodontia; Family Dviniidae

Age:

Later Permian, Zone IV, 245 million years ago

Locality:

Sokolki, Malaya, Severnaya (Small North) Dvina River near Archangel'sk, Northern Russia

Size:

l0cm in length

ENNATOSAURUS tecton

Meaning of Name:

The ninth reptile

Classification:

PELYCOSAURIA; Caseamorpha; Family Caseidae

Age:

Late Permian, Zone II, 25O million years ago

Locality:

Pechora, Northern Russia

Skull Size:

 25cm in length

Skeleton Size:

EOTITANOSUCHUS olsoni

Meaning of Name:

Ancient giant crocodile

Classification:

THERAPSIDA; Eotheriodontia; Family Eotitanosuchidae

Age:

Late Permian, Zone I, 255 million years ago

Locality:

Ocher, Perm Region, Russia

Size:

35cm in length

ESTEMMENOSUCHUS mirabilis

Meaning of Name:

Crowned crocodile

Classification:

THERAPSIDA; Dinocephalia; Family Estemmenosuchidae

Age:

Later Permian Zone I, 225 million years ago

Locality:

Ocher, Perm Region, Russia

Size:

45cm in width

GALLIMIMUS bullatus

Meaning of Name:

Chicken mimic

Classification:

THEROPODA; Ornithomimosauria; Ornithomimidae

Age:

Late Cretaceous (Late Campanian-Early Maastrichtian), Nemegt Formation, 74 million years ago.

Locality:

Gobi Desert, Peoples' Republic of Mongolia

Size:

550cm in length

GOBIPTERYX minuta

Meaning of Name:

Gobi-winged

Classification:

AVES (birds)' Gobipterygiformes; Gobipterygidae

Age:

Late Cretaceous (Santonian-Campanian), 75-78 million years old.

Locality:

Gobi Desert, Peoples' Republic of Mongolia

Size:

4cm in length

HADROSAUR eggs

Classification:

ORNITHOPODA; Hadrosauridae; Hadrosaurinae

Age:

Late Cretaceous (Late Campanian-Early Maastrichtian), Nemegt Formation, 7O million years ago.

Locality:

Gobi Desert, Southern Peoples' Republic of Mongolia

Size:

42cm in length

clutch of eggs

HADROSAUR skin impression

Classification:

ORNITHOPODA; Hadrosauridae; Hadrosaurinae

Age:

Late Cretaceous (Late Campanian-Early Maastrichtian), Nemegt Formation, 7O million years ago.

Locality:

Gobi Desert, Southern Peoples' Republic of Mongolia

Size:

25cm in length

INGENIA yanshini

Meaning of Name:

Genius

Classification:

THEROPODA; Oviraptorosauria; Oviraptoridae

Age:

Late Cretaceous (Campanian), Djadokhta Formation, 75 million years ago

Locality:

Gobi Desert, Peoples' Republic of Mongolia

Size:

10cm in length

INOSTRANCEVIA alexandri

Meaning of Name:

Named in honour of A. Inostrantzev, a Russian geologist

Classification:

THERAPSIDA; Theriodonta; Family Gorgonopidae

Age:

Later Permian, Zone IV, 245 million years ago

Locality:

Sokolki, Malaya Severnaya (Small North) Dvinia River near Archangel'sk, Northern Russia

Size:

 450cm in length

IGUANODON orientalis

Meaning of Name:

Iguana tooth

Classification:

ORNITHOPODA; Iguanodontia; Iguanodontidae

Age:

Early Cretaceous (Aptian), Barum Bayan Formation, l2O million years ago

Locality:

Gobi Desert, Southwestern Mongolian Peoples' Republic

Size:

Skull - 90cm in length