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WoRMS Photogallery » Hydrozoa (hydroids)
Narcomedusae: characteristics and specific terms
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, PeterGIF file - 16.46 kB - 486 x 421 pixelsadded on 2013-06-17279 viewsWoRMS taxa
NarcomedusaeChecked: verified by a taxonomic editorchecked Schuchert, Peter 2013-06-17Creative Commons LicenseThis work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License
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