“Tardigrades were microscopic creatures on Earth. As Joshua Adams noted, this was a German word...Tardigrade
“Crabs were a type of crustacean found on several planets, including Earth. These crabs sometimes...Crab
“Hermit crabs were a species of crustaceans. The Sixth Doctor once commented on their ability to...Hermit crab
This category has the following 9 subcategories, out of 9 total.