Species
Formal taxon Extinct

Paraspheroolithus irenensis

(Chao and Chiang 1974)

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
11
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
🦴
PBDB ↗
Classification
Dinosauria Unranked clade
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Ornithischia Unranked clade
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Neornithischia Unranked clade
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Pyrodontia Unranked clade
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Cerapoda Unranked clade
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Ornithopoda Suborder
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Iguanodontia Infraorder
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Euiguanodontia Unranked clade
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Dryomorpha Unranked clade
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Ankylopollexia Unranked clade
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Styracosterna Unranked clade
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Hadrosauriformes Unranked clade
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Hadrosauroidea Unranked clade
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Spheroolithidae Family
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Paraspheroolithus Genus
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Paraspheroolithus irenensis Species
Fossil sites 11 geolocated sites
Distribution
Top countries
🇨🇳 China
7
🇲🇳 Mongolia
4
Geological formations
Jingangkou
4
Iren Dabasu
2
Baruungoyot
2
Baynshire
1
Gaogou
1
Nemegt
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
1
Campanian (83.6–72.2 Ma)
8
Coniacian (89.8–85.7 Ma)
1
Turonian (93.9–89.8 Ma)
1
Synonyms (1)
Spheroolithus tenuicorticus subjective synonym of Paraspheroolithus irenensis
Bibliography
Original description
T.-k. Chao and T.-k. Chiang. 1974. Microscopic studies on the dinosaurian egg-shells from Laiyang, Shanting province. Scientia Sinica 17(1):73-90
Bibliography (5)
K. Tanaka, D. K. Zelenitsky, and F. Therrien, Y. Lee, K. Kubota, Y. Kobayashi, G. F. Funston, T. Khishigjav. 2023. Description and review of non-avian dinosaur eggs from Cretaceous deposits of the Mongolian Gobi Desert. Windows into Sauropsid and Synapsid Evolution: Essays in Honor of Louis L. Jacobs
H. Zhao and Z. Zhao. 1998. [Dinosaur eggs from Xichuan Basin, Henan province]. Vertebrata PalAsiatica 36(4):282–296
K. E. Mikhailov. 1994. Eggs of sauropod and ornithopod dinosaurs from the Cretaceous deposits of Mongolia. Paleontological Journal 28(3):141–159
P. J. Currie and D. A. Eberth. 1993. Palaeontology, sedimentology and palaeoecology of the Iren Dabasu Formation (Upper Cretaceous), Inner Mongolia, People's Republic of China. Cretaceous Research 14:127-144 DOI ↗
T.-k. Chao and T.-k. Chiang. 1974. Microscopic studies on the dinosaurian egg-shells from Laiyang, Shanting province. Scientia Sinica 17(1):73-90