†unranked clade Angolachelonia Mateus et al. 2009 (turtle)
Full reference: O. Mateus, L. Jacobs, M. Polcyn, A. S. Schulp, D. Vineyard, A. B. Neto, and M. T. Antunes. 2009. The oldest African eucryptodiran turtle from the Cretaceous of Angola. Acta Palaeontologica Polonica 54(4):581-588
Parent taxon: Eucryptodira according to O. Mateus et al. 2012
Sister taxa: Borealochelys, Caretta, Centrocryptodira, Chelycarapookus, Eurysternidae, Hoyasemys, Liaochelys, Polycryptodira, Salasemys, Sandownidae, Sinemydidae, Wuguia
Subtaxa: Angolachelys
Ecology: