Aquatic Saharan Kangaroo

The Aquatic Saharan Kangaroo (mirum non est mortuorum) is a species of kangaroos that are now extinct. Expert Terrence X. Pseudonym is known as the person who figured out how the kangaroo got extinct. After 7 months of research, he concluded that the kangaroos died out because they had no water.

Evolution and Cousins
The aquatic Saharan kangaroo is distantly related to the terroroo.

Sightings
Wong Zhong Sun was asked to use his time-traveling gourd to observe the aquatic Saharan kangaroo before the species had gone extinct, but he declined, citing that it would be bad for his eczema and "there were no good gift shops back then, anyways."