. . . . "Laevisoolithidae is an oofamily of fossil eggs belonging to the Ornithoid-ratite morphotype. Their eggshells are smooth and very thin, typically less than a millimeter thick. Laevisoolithids may be the eggs of Enantiornithid birds. Eggs of the family were found in the Gr\u00E8s \u00E0 Reptiles Formation of France and the Nemegt Formation of Mongolia."@en . . . . . . "Laevisoolithidae is an oofamily of fossil eggs belonging to the Ornithoid-ratite morphotype. Their eggshells are smooth and very thin, typically less than a millimeter thick. Laevisoolithids may be the eggs of Enantiornithid birds. Eggs of the family were found in the Gr\u00E8s \u00E0 Reptiles Formation of France and the Nemegt Formation of Mongolia."@en . . . "39668737"^^ . . . . . . "Mikhailov, 1991"@en . . "1097285488"^^ . . . . . . . . . . . . "1519"^^ . . "Laevisoolithidae"@en . "* Laevisoolithus\n* Subtiliolithus\n* Tipoolithus"@en . "Oogenera"@en . "Laevisoolithidae"@en . . . . . . . . .