Keywords: Scotinomys teguina, Nyctomys sumichrasti.jpg Alston's brown mouse Scotinomys teguina right Sumichrast's vesper rat Nyctomys sumichrasti Edward R Alston Biologia Centrali-Americana London 1882 Author date before 1882 date of publication PD-old Scotinomys teguina Nyctomys sumichrasti |