Identifying families of regular sea urchins based only upon their photographs.....no specimens....is it possible?
Identification based on the photographs is an unnecessary simplification of taxonomic biology. Too many speculations and too few possibilities to study all necessary characters.
It might be possible for someone to do this, assuming that they knew the local fauna very well indeed. But it would also depend what use you wanted to make of the data so gathered. If it is an informal use only. then perhaps it is OK.
I completely agree with Susan, but I would say more: this is a very dangerous way. It easy to take this bad habit!
Thanks to all.
Dear ones, I know my question was stupid, I did it intentionally!
Except, Prof. Dr. Q.B.Kazmi, answers from all others is simply a "general comment".
Giving answers may increase someones RG score but it is not necessary especially, when our expertise does not match with the subject. Sorry! but we should think on it.
Echinodermata have specific characteristics in order to seperate species X from species Y. If the question is on about local fauna, maybe yes. If not, just don't do it.
Dear Dimitris, every group has certain characteristics which define its taxonomy.
Shahnawaz,
It is possible to do so for some Families if you take good close up photographs of live specimens and then close-up of their cleaned up tests that reveal key morphological characteristics used in identification. With good close-up photographs of their tests that reveal plate structure, spine structure, pores and tubercules it is relatively easy for some to identify Diadematidae into their genera. Please see:
http://www.nhm.ac.uk/our-science/data/echinoid-directory/taxa/key.jsp?id=357
Tom
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