Dinosauria›Reptilia
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Orienantius Orienantius ritteri Liu et al. 2019

/ˌɔːɹiənˈæntɪəs/ estimated
Early Cretaceous (Hauterivian) · 132.6–125.8 Mya

Key Statistics

Diet
carnivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling
Social
solitary

Where It Was Found

Country
China
Region
Hebei
Formation
Huajiying
Dig sites
1
distinct collections
Recorded finds in China. Present-day positions: the continents have moved since.

Overview

Orienantius ritteri is a theropod dinosaur known from the Early Cretaceous, roughly 132.6–125.8 million years ago. It was a carnivore. It is recorded as ground-dwelling and solitary. Fossils have been recovered from Hebei, China. It was named by Liu et al. 2019. The species is represented by 1 recorded occurrence in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~5%
confidence from occurrence count
Based on 1 recorded occurrence in the Paleobiology Database.

Geologic Time

Where Orienantius ritteri sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Orienantius
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

These species share Orienantius ritteri's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology. Predator–prey pairs additionally have to have been dug up in the same place.

coexisted–with
Volgatitan
Volgatitan simbirskiensis
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coexisted–with
Pelorosaurus
Pelorosaurus conybeari
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coexisted–with
Tietasaura
Tietasaura derbyiana
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coexisted–with
Triunfosaurus
Triunfosaurus leonardii
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same–clade
Xunmenglong
Xunmenglong yingliangis
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same–clade
Archaeornithura
Archaeornithura meemannae
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same–clade
Cruralispennia
Cruralispennia multidonta
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same–clade
Eopengornis
Eopengornis martini
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