1: mollusk shell (As a single-lobe single-lobe 1: A shelled mollusk consisting of a valve, especially of : Gastropods. 2: A single-lobed shell. https://www.merriam-webster.com › Dictionary › univalve

Definition of Single Valve – Merriam-Webster

) 2: Apical cavity or thread of ammonite or gastropod.

What is Protoconch Math?

The original conch (meaning the first or earliest or original shell) is Embryo or larval shell that occurs In some species of mollusks, such as the initial cavity of ammonites or the larval shell of gastropods. In earlier texts it was also called « nuclear ».

What is heterotrophy?

1 [Greek heterostrophos + English -ic] : Consists of stanzas with different rhythmic forms. 2 [New Latin heterostroph us + English -ic] : Shells related to or marked by heterotrophy Heterotrophic threads.

What does the original conch mean?

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