Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
“Direct” development in the gastropod Cassidaria sp. A, The fully differentiated veliger larva inside the cocoon collects yolk particles with the ciliary bands of the large velum and transports them to the mouth. B, The newly hatched juvenile has lost all traces of the velum. Modified from [96].
