Figure 9From: Life cycle evolution: was the eumetazoan ancestor a holopelagic, planktotrophic gastraea?“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].Back to article page