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{{oobox
{{oobox
|fossil_range = {{fossil range|99.6|65|[[Late Cretaceous]]}}
| fossil_range = [[Late Cretaceous]]<br>~{{fossil range|99.6|66}}
|taxon = Megaloolithus
| taxon = Megaloolithus
|authority =
| authority = Mikhailov 1991
|image = Megaloolithus.JPG
| image = Megaloolithus.JPG
|image_caption = ''Megaloolithus'' at the [[Museum d'Histoire Naturelle Aix-en-Provence]].
| image_caption = ''Megaloolithus'' at the [[Museum d'Histoire Naturelle Aix-en-Provence]].<br>Eggs of titanosaurid, possibly ''[[Hypselosaurus priscus]]''.
| subdivision_ranks = [[Species]]
| subdivision = [[Megaloolithus#Species|See text]]
}}
}}


'''''Megaloolithus''''' is an [[oogenus]] of [[dinosaur egg]].<ref>Carpenter, K. 1999. Eggs, Nests, and Baby Dinosaurs: A Look at Dinosaur Reproduction (Life of the Past). Indiana University Press, Bloomington, Indiana.</ref> Some eggs belonging to this oogenus may have been laid by the [[titanosaur]] ''[[Hypselosaurus]]''. They are known for having thick eggshells, at least 1.5&nbsp;mm thick, and the nearly spherical shape of the eggs.<ref>K. E. Mikhailov. 1991. Classification of fossil eggshells of amniotic vertebrates. Acta Palaeontologica Polonica 36(2):193-238</ref> They are primarily found in [[India]] and [[Europe]], but some specimens have been found in [[South America]].<ref>[http://paleodb.org/cgi-bin/bridge.pl Paleobiology Database]</ref>
'''''Megaloolithus''''' is an [[oogenus]] of [[dinosaur egg]].<ref>Carpenter, K. 1999. Eggs, Nests, and Baby Dinosaurs: A Look at Dinosaur Reproduction (Life of the Past). Indiana University Press, Bloomington, Indiana.</ref> Some eggs belonging to this oogenus may have been laid by the [[titanosaur]] ''[[Hypselosaurus]]''. They are known for having thick eggshells, at least {{convert|1.5|mm|in}} thick, and the nearly spherical shape of the eggs.<ref>K. E. Mikhailov. 1991. Classification of fossil eggshells of amniotic vertebrates. Acta Palaeontologica Polonica 36(2):193-238</ref> They are primarily found in [[India]] and [[Europe]], but some specimens have been found in [[South America]].<ref>[http://paleodb.org/cgi-bin/bridge.pl Paleobiology Database]</ref>


==Species==
== Species ==
{{colbegin|3}}
* ''M. aureliensis''
* ''M. aureliensis''
* ''M. baghensis''
* ''M. baghensis''
Line 25: Line 28:
* ''M. trempii''
* ''M. trempii''
* ''M. patagonicus''
* ''M. patagonicus''
{{colend}}


==Gallery==
== Distribution ==
Fossils of ''Megaloolithus'' have been found in:<ref name=FWMegaloolithus>[http://fossilworks.org/bridge.pl?a=taxonInfo&taxon_no=65584 ''Megaloolithus''] at [[Fossilworks]].org</ref>
<gallery>
* [[Anacleto Formation]] - [[Argentina]]
* [[Argiles et Grés à Reptiles Formation|Argiles et Grés à Reptiles]], [[Rognacian Formation|Rognacian]], [[Marnes Rouges Inférieures Formation|Marnes Rouges Inférieures]] & [[Marnes Rouges de Roquelongue Formation]] - [[France]]
* [[Lameta Formation]] - [[India]]
* [[Sânpetru Formation]] - [[Romania]]
* [[Figuerola Formation|Figuerola]], [[La Maçana Formation|La Maçana]] & [[Tremp Formation]]s - [[Spain]]

{{clearboth}}
== Gallery ==
<gallery mode=packed heights=180px>
File:Hypselosaurus eggs.jpg|''Hypselosaurus'' eggs, [[Muséum national d'histoire naturelle]], Paris
File:Hypselosaurus eggs.jpg|''Hypselosaurus'' eggs, [[Muséum national d'histoire naturelle]], Paris
File:Hypselosaurus egg 2.jpg|A ''Hypselosaurus'' egg ([[Dinosaurland]], [[Lyme Regis]]).
File:Hypselosaurus egg 2.jpg|A ''Hypselosaurus'' egg ([[Dinosaurland]], [[Lyme Regis]])
File:Underside of a clutch of Megaloolithus siruguei at Pinyes locality - Tremp Formation.jpg|''Megaloolithus siruguei'' of the [[Tremp Formation]]
File:Megaloolithus.JPG|''Megaloolithus'' at the [[Museum d'Histoire Naturelle Aix-en-Provence]]. Eggs of titanosaurid, possibly ''[[Hypselosaurus priscus]]''.
</gallery>
</gallery>


==See also==
== See also ==
{{commonscat|Megaloolithus|''Megaloolithus''}}
{{Portal|Dinosaurs|Paleontology|||}}
{{Portal|Dinosaurs|Paleontology|Prehistory of Asia|Prehistory of Europe|Prehistory of South America}}
* [[List of dinosaur oogenera]]
* [[List of dinosaur oogenera]]


==References==
== References ==
{{Reflist}}
{{Reflist}}

== Further reading ==
* {{cite LSA |last=Bravo |first=Ana María |last2=Vila |first2=Bernat |last3=Galobart |first3=Àngel |last4=Oms |first4=Oriol |year=2005 |title=Restos de huevos de dinosaurio en el Cretácico Superior del sinclinal de Vallcebre (Berguedà, provincia de Barcelona) - Remains of dinosaur eggs in the Upper Cretaceous of the Vellcebre syncline (Berguedà, Barcelona province) |url=http://www.sepaleontologia.es/revista/anteriores/REP%20(2005)%20vol.%2020/extra/04.%20Bravo%20et%20al.pdf |journal=[[Revista Española de Paleontología]] |volume=10 |pages=49–57 |accessdate=2018-05-24}} {{es}}
* {{cite LSA |last=Vila |first=Bernat |last2=Jackson |first2=Frankie D. |last3=Fortuny |first3=Josep |last4=Sellés |first4=Albert G. |last5=Galobart |first5=Àngel |year=2010 |title=3-D Modelling of Megaloolithid Clutches: Insights about Nest Construction and Dinosaur Behaviour |url=http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0010362&type=printable |journal=[[PLoS One]] |volume=5 |pages=1–13 |accessdate=2018-05-24}}


{{Taxonbar|from=Q6808516}}
{{Taxonbar|from=Q6808516}}
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[[Category:Dinosaur reproduction]]
[[Category:Dinosaur reproduction]]
[[Category:Eggshell fossils]]
[[Category:Eggshell fossils]]
[[Category:Ootaxa described in 1994]]
[[Category:Cretaceous Argentina]]
[[Category:Fossils of Argentina]]
[[Category:Anacleto Formation]]
[[Category:Cretaceous France]]
[[Category:Fossils of France]]
[[Category:Mesozoic India]]
[[Category:Fossils of India]]
[[Category:Fossils of Romania]]
[[Category:Cretaceous Spain]]
[[Category:Fossils of Spain]]
[[Category:Tremp Formation]]
[[Category:Ootaxa described in 1991]]




Revision as of 13:20, 29 May 2018

Megaloolithus
Temporal range: Late Cretaceous
~99.6–66 Ma
Megaloolithus at the Museum d'Histoire Naturelle Aix-en-Provence.
Eggs of titanosaurid, possibly Hypselosaurus priscus.
Egg fossil classification Edit this classification
Basic shell type: †Dinosauroid-spherulitic
Oofamily: †Megaloolithidae
Oogenus: †Megaloolithus
Mikhailov 1991
Species

See text

Megaloolithus is an oogenus of dinosaur egg.[1] Some eggs belonging to this oogenus may have been laid by the titanosaur Hypselosaurus. They are known for having thick eggshells, at least 1.5 millimetres (0.059 in) thick, and the nearly spherical shape of the eggs.[2] They are primarily found in India and Europe, but some specimens have been found in South America.[3]

Species

  • M. aureliensis
  • M. baghensis
  • M. cylindricus
  • M. dhoridungriensis
  • M. jabalpurensis
  • M. khempurensis
  • M. mamillare
  • M. megadermus
  • M. microtuberculata
  • M. mohabeyi
  • M. petralta
  • M. problematica
  • M. siruguei
  • M. trempii
  • M. patagonicus

Distribution

Fossils of Megaloolithus have been found in:[4]

Gallery

See also

Wikimedia Commons has media related to Megaloolithus.

References

  1. ^ Carpenter, K. 1999. Eggs, Nests, and Baby Dinosaurs: A Look at Dinosaur Reproduction (Life of the Past). Indiana University Press, Bloomington, Indiana.
  2. ^ K. E. Mikhailov. 1991. Classification of fossil eggshells of amniotic vertebrates. Acta Palaeontologica Polonica 36(2):193-238
  3. ^ Paleobiology Database
  4. ^ Megaloolithus at Fossilworks.org

Further reading


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