Definition of ammonite in English:
An ammonoid that belongs to the order Ammonitida, typically having elaborately frilled suture lines.
- Argonauta shares other characteristics with some Jurassic and Cretaceous ammonites, namely multicuspid rachidial tooth on the radula.
- The fossil content consists of ammonites, belemnites, brachiopods, echinoderms, bivalves, crinoids, gastropods, ostracodes and benthic foraminifers.
- A feature of especial interest is that, while the youngest Triassic ammonites are quite rare, the oldest Jurassic ammonites are extremely abundant, entering the succession in a veritable flood.
Words that rhyme with ammonitemanganite • Mennonite
Definition of ammonite in:
- British & World English dictionary
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