Macroelongatoolithus

Macroelongatoolithus Temporal range: Cretaceous, 145–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Macroelongatoolithus eggs in the Naturhistorisches Museum Wien
Egg fossil classification
Basic shell type:	Ornithoid
Morphotype:	Ornithoid-ratite
Oofamily:	†Elongatoolithidae
Oogenus:	†Macroelongatoolithus Li et al., 1995
Synonyms
Oogenus synonymy Boletuoolithus Bray, 1998 Longiteresoolithus Wang and Zhou, 1995 Megafusoolithus Wang et al, 2010 Oospecies synonymy Oolithes carlylensis Jensen, 1970 Megafusoolithus qiaoxiaensis Wang et al, 2010 Longiteresoolithus xixiaensis Wang and Zhou, 1995 Macroelongatoolithus xixiaensis Li et al, 1995 Macroelongatoolithus zhangi Fang et al, 2000 Macroelongatoolithus goseongensis Kim et al, 2011

Macroelongatoolithus is an oogenus of large theropod dinosaur eggs, representing the eggs of giant caenagnathid oviraptorosaurs. They are known from Asia and from North America. Historically, several oospecies have been assigned to Macroelongatoolithus, however they are all now considered to be a single oospecies: M. carlylensis.