Genus
Formal taxon Extinct

Nipponoolithus

Tanaka et al. 2016

Nipponoolithus is an oogenus of fossil egg native to Japan. It is one of the smallest known dinosaur eggs, and was probably laid by some kind of non-avian maniraptor.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Dinosaures
Carnivore Ground dwelling, solitary Terrestrial
Classification
Dinosauria Unranked clade
Theropoda Unranked clade
Nipponoolithus Genus
Fossil sites 2 geolocated sites
Distribution
Top countries
🇯🇵 Japan
2
Geological formations
Ohyamashimo
2
Temporal distribution
Albian (113.2–100.5 Ma)
2
Species (1)
Nipponoolithus ramosus 113 Ma
Bibliography
Original description
K. Tanaka, D. K. Zelenitsky, and H. Saegusa, T. Ikeda, C. L. DeBuhr, F. Therrien. 2016. Dinosaur eggshell assemblage from Japan reveals unknown diversity of small theropods. Cretaceous Research 57:350-363 DOI ↗
Bibliography (2)
K. Tanaka, D. K. Zelenitsky, and F. Therrien, T. Ikeda, K. Kubota, H. Saegusa, T. Tanaka, K. Ikuno. 2020. Exceptionally small theropod eggs from the Lower Cretaceous Ohyamashimo Formation of Tamba, Hyogo Prefecture, Japan. Cretaceous Research 114:104519:1-14 DOI ↗
K. Tanaka, D. K. Zelenitsky, and H. Saegusa, T. Ikeda, C. L. DeBuhr, F. Therrien. 2016. Dinosaur eggshell assemblage from Japan reveals unknown diversity of small theropods. Cretaceous Research 57:350-363 DOI ↗