= cf. Rionegrophis sp MOYANO-PAZ, ROZADILLA, AGNOLIN, VERA, CORONEL, VARELA, GOMEZ-DACAL, ARANCIAGA-ROLANDO, D'ANGELO, PEREZ-LOINAZE, RICHIANO, CHIMENTO, MOTTA, STERLI, MANABE, TSUIHIJI, ISASI, POIRE & NOVAS, 2022

Locality: Magallanodon Site, Santa Cruz Province, southern Patagonia, Argentina.

Horizon: Chorrillo Formation.

Biostratigraphy: Architectural element DF deposits.

Age: Maastrichtian Stage, Late Senonian Subepoch, Late Gulf Epoch, Late Cretaceous.

Material:

MPM-PV-22848: Incomplete centrum of trunk vertebra.

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