Genus: Sphenophyllum non BRONGNIART, 1828
Etymology:

Species: colombianum HUERTAS 2003 (Type)
Etymology: In reference to the countery of Colombia, where the specimens were found.
Note: Originally described as a plant, but shown to be hatchling turtle (PALMA-CASTRO, COMBITA-ROMERO, CANDENA, CARVALH & HERRERA, 2023)

Holotype: MONQ-602

Locality: Ricaurte Alto, Villa de levya, Colombia

Horizon: Nevado del Ruiz Quaternary Volcanic Complex and Marine Reptile Lagerstatte, La Paja Formation.

Biostratigraphy:

Age: Aptian Stage, Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material: Fragmentary carapace of a hatchling marine turtle.

Referred material:

LLC-65: Fragmentary carapace of a hatchling marine turtle.