Ammonitella
Definition, Meaning & Examples
Part of speech noun
Quick meaning: Ammonitella is a noun meaning The initial part of a spiral shell, originating from a central chamber, in ammonoid molluscs.
Meaning
The initial part of a spiral shell, originating from a central chamber, in ammonoid molluscs.
Example Sentences
The embryonic stage, consisting of a small ellipsoid protoconch and ammonitella, ends at about 0.6 mm.
Sure, ammonoid shells as a whole got progressively more coiled over the Devonian. But so did the tiniest part of each ammonoid shell, the ammonitella.
Word Forms
- ammonitellas
Related Words
Related dictionary entries include protoconch, juvenarium, megalosphere, nucleoconch, columella, hydrospire.
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Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
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