1. 
   Tarrasiiformes
   (from the article `chondrostean`) ...The arrangement of the fins and the structure of the tail suggest that manoeuvrability in swimming was not as great as in either the holosteans or ... ...bone fixed; more fin rays than basal elements in the median fins; 37 families of wide distribution, early mem...
   Found op http://www.britannica.com/eb/a-z/t/14
   
   
2. 
   Tarrasiiformes
   Tarasiiformes were an extinct order of prehistoric bony fish. ==Timeline of genera== ImageSize = width:1000px height:auto barincrement:15px PlotArea = left:10px bottom:50px top:10px right:10px Period = from:-416 till:-285 TimeAxis = orientation:horizontal ScaleMajor = unit:year increment:10 start:-...
   Found op http://en.wikipedia.org/wiki/Tarrasiiformes
   
   

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