Oogenus: Chelonoolithus KOHRING, 1998
Etymology: Greek, chelone, "turtle" and Greek, oo, "egg" and Greek, lithus, "rock or stone."

Oospecies: braemi KOHRING, 1998
Etymology:

Holotype: FUB Guimarota 98-2

Locality: Guimarota lignite mine (Mina de Lignito Guimarota), 1.5 km SSE of Leiria, Leiria District, Portugal.

Horizon:

Biostratigraphy:

Age: Lustianien, Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material: Eggshell.