Fig. 3
From: Feeding ecology in sea spiders (Arthropoda: Pycnogonida): what do we know?
Feeding and morphological features of protonymphon larva and subadults. Originals, except C after [42]. a Callipallene spectrum, SEM micrograph of Egg. Bar 20 μm. b Callipallene producta, newly hatched postlarva. Bar 40 μm. c Anoplodactylus petiolatus, larva in a gallzooid of Hydractinia echinata. Bar 50 μm. d Achelia spec., protonymphon detached on host organism. Bar 100 μm. e Achelia echinata, SEM micrograph of protonymphon, dorsal view. Bar 20 μm. f Achelia echinata, SEM micrograph of chelifore and proboscis. Bar 20 μm. cf., chelifore; pr, proboscis