protoconch meaning in Hindi

Examples

1. (Original description ) The minute shell has a blunt protoconch.
2. The blunt smooth protoconch contains about one aperture but deeply cut.
3. The smooth protoconch contains 1?whorls followed by 4?subsequent whorls.
4. The protoconch is naticoid in shape and has approximately 3?whorls.
5. The six whorls are rounded, inclusive of the bulbous protoconch.
6. The larval shell of a gastropod is called a protoconch.
7. The protoconch of one whorl that is smooth and polished.
8. The molluscs that were placed in this order have a heterostrophic protoconch.
9. Umbilicas perforated, protoconch swollen, not in contact with first whorl.
10. The protoconch is glassy, rounded and two-whorled.