Macroolithus rugustus (Young, 1965)

Remarks

• Collection:      Lee Garrison

• Formation:     Subashi Formation

• Location:        Zhejiang Province, China

• Data compiled by Lee Garrison

General Info

Synonyms (older names and misidentifications in the literature)

• Theropod egg
• 1965 Oolithus rugustus Young
• 1975 Macroolithus rugustus (Young); Zhao
• 1999 Macroolithus rugustus (Young); Carpenter

Stratigraphic Occurrence

• Yuanpu Formation of Guangdong Province, China

• Pingling Formation of Guandong Province, China

• Subashi Formation of Zhejiang Province, China

• Nemegt Formation of Southern Mongolia

• Barun-Goyot Formation of Southern Mongolia

• Late Campanian rocks of Kazakhstan

Age

• Macroolithus rugustus (Young) ranges from the Middle Campanian to Early Maastrichtian Stage (~73-68 mya).

Geographic Occurrence (not an all-inclusive list)

• Guangdong Province, China

• Southern Mongolia

• Zaysan Basin, Kazakhstan

• Zhejiang Province, China

Remarks

        For photographs and more information see:

• Carpenter, K.  1999.  Eggs, Nests, and Baby Dinosaurs, A Look at Dinosaur Reproduction.  Bloomington & Indianapolis:  Indiana University Press.  Appendix 2.  Parataxonomic List, 295 (description); fig's AII.23.A, B, C (egg shell photos).

• Young, C. C.  1965.  Fossil eggs from Nanhsiung, Kwangtung, and Kanchou, Kiangsi.  Vertebrata PalAsiatica 9, 141-170.

• Zhao, Z.  1975.  Microstructure of the dinosaurian eggshells of Nanxiong, Guangdong, and the problems in dinosaur egg classification.  Vertebrata PalAsiatica 13, 105-117.