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The arrangement of spikes originally had no distinct name; the term Thagomizer was coined in 1982 by cartoonist Gary Larson in his comic The Far Side, and thereafter became gradually adopted as an informal term within scientific circles, research, and education.
Supplement. The American paleontologists Niles Eldredge and Stephen Jay Gould first proposed the theory in 1972 to contrast phyletic gradualism, where evolution is described to happen smoothly and continuously. Please contribute to this project, if you have more information about this term feel free to edit this page.