VERTEBRAL NUMBERS IN SHARKS — SPRINGER AND GARRICK 



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Table 1. — Vertebral characters in sharks 



P = precaudal vertebrae. C = caudal vertebrae. T = total vertebrae. A = 

 length of penultimate monospondylous centrum divided by length of first 

 diplospondylous centrum X 100. B = length of penultimate monospondylous 

 centrum divided by its width X 100. 



