Eggs and eggshell from the Upper Cretaceous North Horn Formation, central Utah

E. S. Bray

1999

Chapter

361-375

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Taxa discussed in this work:

• Ovaloolithus tenuisus
• Ovaloolithus utahensis
• Prismatoolithus
• Prismatoolithus jenseni
• Spheruprismatoolithus
• Spheruprismatoolithus condensus
• Spongioolithus
• Spongioolithus hirschi

Taxonomy:

• Spheruprismatoolithus condensus belongs to Spheruprismatoolithus - Bray (1999)
• Spheruprismatoolithus belongs to Prismatoolithidae - Bray (1999)
• Spongioolithus hirschi belongs to Spongioolithus - Bray (1999)
• Spongioolithus belongs to Elongatoolithidae - Bray (1999)
• Ovaloolithus utahensis belongs to Ovaloolithus - Bray (1999)
• Ovaloolithus tenuisus belongs to Ovaloolithus - Bray (1999)