Oogenus: Krokolithes HIRSCH, 1985
Etymology: Greek, krokos, "lizard" and Greek, olithes, "stone"; a common ending for fossil eggs.

Oospecies: wilsoni HIRSCH, 1985
Etymology:

Holotype: UCM 47523A

Locality: UCM Locality 81079, near Parachute, Garfield County, Colorado.

Horizon: Debeque Formation.

Biostratigraphy:

Age: Eocene Epoch, Paleogene Period, Lower Tertiary Subera, Lower Cenozoic Era.

Material: Egg.

Referred material:

UCM 47523B, 47523C, 47523D: Egg.

UCM 47523E: 4 loose eggshell fragments.

UCM 44945: 208 unworn eggshell fragments.

UCM 47525: 5 well preserved eggshell fragments.

UCM 47526: Numerous worn eggshell fragments.

10 worn and 10 unworn eggshell fragments.

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Oospecies: helleri KOHRING & HIRSCH, 1996
Etymology: In honor of Dr. Florian Heller (1905-178) who first described the fossil eggs from Geiseltal (1931)

Holotype: GMH XXII-391a-2/HEC 411-2

Locality: Geiseltal quarry Neumark-Sud XXII near Halle/Saale, Germany.

Horizon: “Obere Mittelkohle”.

Biostratigraphy:

Age: Middle and upper middle Eocene Epoch, Paleogene Period, Lower Tertiary Subera, Lower Cenozoic Era.

Material: Eggshells.

Referred material:

GMN XXII-391a-1/HEC 411-1, XXII-391a-2/HEC 411-4, LVII/HEC 443-1, LEO-1/HEC 443-6, XLI-74/HEC 443-13: Eggshells.

 

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Oospecies: dinophilus RUSSO, MATEUS, MARZOLA & BALBINO, 2017
Etymology: "dinophilus" refers to the occurrence of these eggshells with dinosaur nests and eggs.

Ooholotype: ML760

Locality: Paimogo North, Lourinha Municipality, Estremadura District, Portugal.

Horizon: Top of the Praia da Amoreira-Porto Novo Member, Lourinha Formation.

Biostratigraphy:

Age: Uppermost Kimmeridgian Stage, Malm Epoch, Late Jurassic.

Material: 1 crushed egg.

Referred material:

Locality: Paimogo South, Lourinha Municipality, Estremadura District, Portugal.

Horizon: Base of the Praia Azul Member, Lourinha Formation.

Biostratigraphy:

Age: Uppermost Kimmeridgian Stage, Malm Epoch, Late Jurassic.

Material:

ML1795: 4 crushed eggs and between 150 and 200 eggshell fragments.

 

Locality: Casal da Rola, Lourinha Municipality, Estremadura District, Portugal.

Horizon: Praia Azul Member, Lourinha Formation.

Biostratigraphy:

Age: Uppermost Kimmeridgian-Lowermost Tithonian.Stage, Malm Epoch, Late Jurassic.

Material:

ML1194: Between 10 and 30 eggshell fragments.

 

Locality: Peralta, Lourinha Municipality, Estremadura District, Portugal.

Horizon: Praia Azul Member, Lourinha Formation.

Biostratigraphy:

Age: Uppermost Kimmeridgian-Lowermost Tithonian.Stage, Malm Epoch, Late Jurassic.

Material:

ML195: Less than 20 eggshell fragments.