Scorpions Arachnids on guard

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=JnbcyMJ_5gw

Scorpions belong to the arachnids. The Arachnida include all terrestrial chelicerata. Arachnids represent a monophyletic group, also called a clade, which me...

Pandinus, Pandinus cavimanus, scorpions, Scorpiones, Skorpione, Chelicerata, Arachnida, arachnids, Arthropoda, arthropods, Gliedertiere, Spinnentiere, Kieferklauenträger, monophyletic group, Monophylum, clade, monophyletische Gruppe, Landgang, evolution, apomorphy, book lungs, Buchlunge, phylogeny, Phylogenie, stem species, sister group, ancestor, sense organs, Sinnesorgane, Trichobothrien, trichobothria, lyriform organs
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