Deuteroconch

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The second chamber of ammonites and other cephalopods

    "A microspheric nucleoconch does not have an obvious deuteroconch, and is followed by a spiral nepionic stage, no matter what the adult chamber arrangement may be."

Example

More examples

"A microspheric nucleoconch does not have an obvious deuteroconch, and is followed by a spiral nepionic stage, no matter what the adult chamber arrangement may be."

Etymology

From deutero- + conch.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.