bn:04955898n
Noun Concept
Categories: All articles needing additional references, Mollusc shells
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
Wikidata