. . . "Proechimys" . . . . . "Proechimys oconnelli J. A. Allen 1913" . "Mammalia" . "Echimyidae" . . "J. A. Allen 1913" . . "Rodentia" . . . . "Chordata" . . "O'Connell's Spiny-rat" . "Animalia" . "Proechimys oconnelli" . . .