Integrated Marine Information System (IMIS)

Data Policy
Persons | Institutes | Publications | Projects | Datasets
Add an imageAdd albumRSS
IMIS Photogallery » Echinodermata (echinoderms) » Echinoidea (sea urchins)
Echinothurioida (aboral secondary spines)
Echinothurioida (aboral secondary spines)
Description Points of echinothurioid spines: Aboral secondary spines with poison glands serving for defence: Left: Araeosoma thetidis: with a small venomous gland. Right: Asthenosoma varium: with a strongly inflated venomous gland.
No scale provided.
Author Mortensen, Theodor JPG file - 45.74 kB - 472 x 666 pixels added on 2011-02-23256 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Mortensen, Theodor
Click here to return to the thumbnails overview
[Back]