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Radula

radula

Origin: L, a scraper, fr. Radere to scrape.

(Science: zoology) The chitinous ribbon bearing the teeth of mollusks; called also lingual ribbon, and tongue. See odontophore.


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... end", as I put it). The eyes and mouth parts an be seen in the narrow/anterior end of the snail, and that is where I assume the real radula-derived poison stinger should also be located. But I was wondering what is this other poking device the animals has, something that I failed ...

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by biohazard
Mon Jun 11, 2012 8:47 am
 
Forum: Zoology Discussion
Topic: Cone snail
Replies: 4
Views: 4850

Cone snail

... me out, this thing has bothered me for quite a while and all Google has to offer me is that they have a poisonous, barbed mouth-piece (specialized radula). But nobody says anything about pointy and nasty tail! Cheers, BH p.s. Note how the animal gives me an evil eye! I didn't know that water snails ...

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by biohazard
Tue Jun 05, 2012 9:47 am
 
Forum: Zoology Discussion
Topic: Cone snail
Replies: 4
Views: 4850

Jussthink!

... than the highly intelligent cephalopods (including squid and octopods) because of their more recently derived characteristics (loss of the radula feeding structure). Echinodermata (including sea stars, sand dollars, sea cucumbers...) sort of went backwards when they developed radial symmetry ...

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by plasmidmap
Wed Apr 19, 2006 4:59 am
 
Forum: General Discussion
Topic: Jussthink!
Replies: 14
Views: 6592


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