Evidence of late root formation of molars in Anderson’s red-backed vole, Eothenomys andersoni (Thomas, 1905) (Cricetidae, Rodentia), and arguments for its generic allocation

Occlusal views of the upper a and lower b tooth rows, buccal view of the left M3 c and antero-buccal view of the left M1 d of individual K7088. Asterisk indicates an abnormal lack of the right upper third molar. Black and white arrowheads indicate a bent basal end and a complete closure of re-entrant angles at the basal end, respectively.