Crossword clue: any animal lacking a backbone or notochord; the term is not used as a scientific classification

The most common answer is invertebrate (12 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

invertebrate 12 letters wn-def

any animal lacking a backbone or notochord; the term is not used as a scientific classification