All related material from the 1962 novel Little Fuzzy by H. Beam Piper, as well as its many sequels and adaptations by other authors.
“Some fifty million years ago, when the planet Zarathustra was young, there had existed a marine...Zarathustra Jellyfish
“Zarathustra is a Class-IV planet 500 lightyears away from Terra. It is habitable by human...Zarathustra
“Zaragoats are a non-sapient species of milk-giving ungulates native to Zarathustra. The species...Zaragoat