Synonomy of the Emydura.
The most important part of nomenclature is synonymy. For this to be stable all name bearing papers must be aligned by date and the oldest name takes precedence. Any names for different populations are accepted or refuted. All changes must be accepted or refuted, this is the tenant of nomenclature. There is no preference on the part of the user. As the Emydura repeatedly cause confusion, largely because of the personal preferences of a number of scientists and agencies we present a formal synonymy for the Emydura to demonstrate what are the valid names.
To explain the process here the name in bold at the top is the valid name. The others are a list of papers that have names in them and is basically stating that they all refer to the same taxon listed in the order that they appeared in the literature.
Genus Level Synonymy
Emydura Bonaparte, 1836
Emydura Bonaparte, C.L. (1836). Cheloniorum Tabula Analytica. Rome pp. 1-9 [7] [a nom. nud. because its type species is a nom. nud.: Emydura should be conserved, however, on the grounds of general usage]. Type species Emys macquaria Cuvier, 1829 by monotypy.
Chelymys Gray, J.E. (1844). Catalogue of the Tortoises, Crocodiles and Amphisbaenians in the Collection of the British Museum. London: British Museum viii 80 pp. [42]. Type species Chelymys macquaria (=Chelys (Hydraspis) macquarii Gray, 1830) by monotypy.
Euchelymys (part.) Gray, J.E. (1871). On Euchelymys, a new genus and two new species of Australian freshwater tortoises. Ann. Mag. Nat. Hist. (4) 8: 117-118 [8] [also in synonymy of Elseya]. Type species Euchelymys sulcifera Gray, 1871 by subsequent designation. Cogger, H.G.
Species Level Synonymy
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