WoRMS Photogallery > Hydrozoa (hydroids)
Narcomedusae: characteristics and specific terms
Description: - tentacles originate above umbrella margin
- gastric pouch (one is shaded in blue), not all Narcomedusae have them
- peripheral canal (green), may be absent
- otoporpae (red arrow) are ridges clasping the umbrella margin, formed by a thickening of the epidermis, may be absent, function is unknown
- peronia are clefts between the lappets of the umbrella margin(blue arrow)
Author: Schuchert, Peter
GIF file - 16.46 kB - 486 x 421 pixels
added on 2013-06-17 - 95 views
WoRMS Taxa on this image:
Narcomedusae checked by Schuchert, Peter on 2013-06-17 11:42:47
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