Oolithes

Oolithes; Temporal range: Bathonian-Maastrichtian; ~167.7–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N
	Oolithes spheroides
Egg fossil classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Oogenus:	†Oolithes; Buckman, 1860
Oospecies
	O. bathonicae; O. nanhsiungensis; O. obtusatus; O. sphaericus;

Oolithes is an oogenus with uncertain affinities. It has historical significance because it was the earliest named oogenus. James Buckman described the first named species as Oolithes bathonicae in a communication to the 4 May 1859 meeting of the Geological Society (published in 1860). Buckman believed that Oolithes represented the eggs of a teleosaurian reptile.^[1]

Since Buckman's description of O. bathonicae, two other oospecies have been named: O. nanhsiungensis and O. spheroides, both of which were native to the Maastrichtian of China.^[2]^[3]

References

^ Buckman, James (1860), "On some fossil reptilian eggs from the Great Oolite of Cirencester", Quarterly Journal of the Geological Society of London, 16: 107–110, doi:10.1144/gsl.jgs.1860.016.01-02.11
^ Konstantin E. Mikhailov, Emily S. Bray & Karl E. Hirsch (1996). "Parataxonomy of fossil egg remains (Veterovata): basic principles and applications". Journal of Vertebrate Paleontology. 16 (4): 763–769. doi:10.1080/02724634.1996.10011364. JSTOR 4523773.
^ Paleobiology Database

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[Buckman-1] Buckman, James (1860), "On some fossil reptilian eggs from the Great Oolite of Cirencester", Quarterly Journal of the Geological Society of London, 16: 107–110, doi:10.1144/gsl.jgs.1860.016.01-02.11

[Mikhailov-2] Konstantin E. Mikhailov, Emily S. Bray & Karl E. Hirsch (1996). "Parataxonomy of fossil egg remains (Veterovata): basic principles and applications". Journal of Vertebrate Paleontology. 16 (4): 763–769. doi:10.1080/02724634.1996.10011364. JSTOR 4523773.

[3] Paleobiology Database

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