Ceríaco, L.M.P. and Bour, R. 2012. Schweigger’s (1812) chelonian types from the extinct eighteenth century Portuguese “Royal cabinet of natural history of Ajuda”: some contributions for their identification and nomenclatural implications. Zootaxa. 3395, 1 (Jul. 2012), 18–32. DOI:https://doi.org/10.11646/zootaxa.3395.1.2.