protoconch

P3R1O1T1O1C3O1N1C3H4

noun

The embryonic shell, or initial chamber, of ammonites and other cephalopods

Scrabble 19
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Meanings

nounprotoconch (plural protoconches or protoconchs)

plural protoconches · plural protoconchs

  1. biologyThe embryonic shell, or initial chamber, of ammonites and other cephalopods

Origin

From proto- + conch.

Full word history & related roots →
Cite this entry
APA

protoconch. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/protoconch

MLA

“protoconch.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/protoconch. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “protoconch,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/protoconch.

Source: protoconch on Wiktionary, CC BY-SA 4.0.