Ducky notices something the sequel animators didnt "You are a Spiketail, so we will call you 'Spike'."
The subject(s) detailed in this article has/have been given a conjectural (and, as a result, unofficial) name, due to the lack of an official name for the article subject(s) to be referred to by.
"Bothtooth" (plural "Bothteeth"; alternately "Halftooth") is the speculated term for omnivores in the Land Before Time films and TV Series. This term applies to any character or species that is capable of eating both plants and meat.