Aarabia is a genus of extinct vascular plants found in central Morocco in outcrops of Early Devonian age (Emsian, around {Period span/brief|Emsian}). The leafless plant has a complex branching system with a main stem and at least three orders of side branches. In addition to these long branches, stems bore very short branches, which typically bran...
Found on http://en.wikipedia.org/wiki/Aarabia
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