thumb|300px|Nile crocodile (Crocodylus niloticus) A polyphyodont is any animal whose teeth are continually replaced. In contrast, diphyodonts are characterized by having only two successive sets of teeth.
thumb|300px|Nile crocodile (Crocodylus niloticus) A polyphyodont is any animal whose teeth are continually replaced. In contrast, diphyodonts are characterized by having only two successive sets of teeth.
Polyphyodonts include most toothed fishes (most notably sharks), many reptiles such as crocodiles and geckos, and most other vertebrates, with mammals being the main exception (though not absolute).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).