is a type of marsupial animal lifeform
native to Earth
and other planets
, related to kangaroos
. They are furry and stand on two thick hind legs. They have a stubby tail and very narrow shoulders.
A type of wallaby was seen living within a giant, buried pyramid on Abaris in 2273. Noises from several of them helped to hide Abaris pirate while she secretly observed a landing party from the USS Enterprise meeting archeologists Elsa Hoff and Paul Hoff. (TOS comic: "Aberration on Abaris")
Marishal resembled wallabies. (TOS novel: Time for Yesterday)