Naming
The generic name, "Emydura", is derived from the Greek "emys" and the Greek "oura", Latinized to "ura". Its grammatical gender is feminine. The specific epithet, "macquarii", refers to the turtle's type locality: the Macquarie River. It would seem that the species was not named after Governor Lachlan Macquarie for whom the river is named.The subspecific name, "emmotti", is in honor of Australian farmer and naturalist Angus Emmott.
The subspecific name, "krefftii", is in honor of German-born Australian naturalist Gerard Krefft.
Status
"Emydura macquarii" is listed as 'vulnerable' in the state of South Australia under relevant state legislation.Evolution
This species has a long and complicated nomenclatural history, including even its original description. The holotype was originally collected by René Primevère Lesson and Prosper Garnot in 1824. During an expedition on the "La Coquille", captained by Louis Isidore Duperrey, which visited Sydney, Australia, from 17 January - 25 March 1824, they visited Bathurst, and collected the holotype from the Macquarie River.The first description of the species was offered by Baron Georges Cuvier in 1829, but this description is nowadays seen as a "nomen nudum". Hence, the description by John Edward Gray in 1831 is considered the valid description.
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