bn:04955898n
Noun Concept
Categories: Mollusc shells, All articles needing additional references
EN
protoconch
EN
A protoconch is an embryonic or larval shell which occurs in some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod. Wikipedia
Definitions
Sources
EN
A protoconch is an embryonic or larval shell which occurs in some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod. Wikipedia
Wikipedia
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