It appears that the correct spelling is Hydrochoerus Brisson, 1762: this name is conserved by ICZN opinion 1894 (1998) despite the general rejection of Brisson's work for nomenclatural purposes. However it is spelt Hydrochoeris in MSW3 (2005).
This category has the following 2 subcategories, out of 2 total.
Media in category "Category:Hydrochoeris"
The following 8 files are in this category, out of 8 total.