Eurysternum is an extinct genus of thalassochelydian turtle.

[1] Its type species is Eurysternum wagleri,[2] the holotype of which has since been lost and only survives in illustrations.

[3] Eurysternum ignoratum Bram, 1965 is a junior synonym of Thalassemys hughii.

[4] The Late Jurassic species Eurysternum neuquinum Fernandez and de la Fuente, 1988, described from marine deposits in Argentina, is now placed in its own genus Neusticemys.

This article about a prehistoric turtle is a stub.