The Fossil Record provides us an invaluable glimpse into past life on Earth, but it is not always a complete record. One particularly notable and mysterious gap in the evolution of life is known as Romer's Gap, apparently obscuring a key point in the vertebrate transition to life on land. Or does it?

 
      
      
    
  
  
    
    
     
      
      
    
  
  
    
    
     
      
      
    
  
  
    
    
     
  
  
    
    
     
      
      
    
  
  
    
    
    