Himeoolithus

Tur bi mooy: “small egg stone, from Japanese 'hime' meaning small or pretty, and Greek 'oo' and 'lithos' meaning egg stone”1

Lekkoon: YàppDino yuy lekk yàppKretase bu jëkk

Himeoolithus was a tiny meat-eating dinosaur that lived in what is now Japan about 110 million years ago. It is known from its eggs, which are some of the smallest theropod eggs ever found, about the size of a quail egg. These eggs show that small dinosaurs lived alongside the giants!2

Dundoon

am na 113 ba 110 milyoŋ at3

Kretase bu jëkk

Fosil yu ñu gis ci

Kamitaki Egg Quarry, Hyogo Prefecture, Japan3 2

Gaawaay bi gën a kawe

lu tollu ci 47 km/h (29 mph)

Daw, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Himeoolithus lu tollu ci 47 km/h (29 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

Himeoolithus eggs are the smallest non-avian theropod eggs known, with an estimated mass of only 9.9 grams, about the size of a modern quail egg.1

The eggs are unusually elongated for their size, with a length-to-width ratio of 2.25, which is more typical of larger theropod eggs.1

The nest was found in place, not moved by water or wind, because most eggshell fragments were positioned concave-up, which happens when they break in place.2

Over 1,300 eggshell fragments from Himeoolithus were found at the Kamitaki Egg Quarry, along with other small theropod eggs.2

The high diversity of small theropod eggs at this site makes it one of the most diverse Early Cretaceous egg localities known.2

Nataalu Himeoolithus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Himeoolithus mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

Ku tas léeb yu dul dëgg

Léeb: Some people think all dinosaurs were huge, but Himeoolithus shows that many were small.

Dëgg: Himeoolithus eggs are tiny, and the dinosaur that laid them was likely small, showing that dinosaurs came in many sizes.2

Ngir ñi xam dino lool

Turu xam-xam: Himeoolithus
Ku ko tudde: Tanaka et al. 20203
Kurél: Dino yuy lekk yàpp
Njaboot / klad: Theropoda3
Klasifikasiyoŋ: Theropoda3
Màggaayu doj yi: 113 ba 110 milyoŋ at (Albian)3
Formasiyoŋi doj: Ohyamashimo3
Réew yi: Sapoŋ3
Fosil yu ñu gis: 1 ci The Paleobiology Database3
Gisees: The eggs were first discovered in 2015 at the Kamitaki Egg Quarry in Japan, and the species was named by Tanaka and colleagues in 2020.2 3
Ñu ngi koy werante ba tey: Scientists are not sure exactly which theropod dinosaur laid the eggs, since no bones of the adult have been found yet.2

Fa xibaar yi jóge

Exceptionally small theropod eggs from the Lower Cretaceous Ohyamashimo Formation of Tamba, Hyogo Prefecture, Japan (sciencedirect.com)
Tiny Japanese Dinosaur Eggs Help Unscramble Cretaceous Ecosystem | Research News - University of Tsukuba (tsukuba.ac.jp)
Himeoolithus in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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