[1] It is a monotypic genus, with only type species Itapecuruemys amazoniensis known.
[1] The genus was named for the Itapecuru Formation of Brazil, the locality from which the remains of Itapecuruemys were recovered.
[1] The specific epithet is named after the Legal Amazon region, where it was found.
The lateral margins converge posteriorly, with the widest point level with the fourth rib.
The nuchal plate is preserved only by a fragment of the anterior-most portion.