http://edmondsonhami.jigsy.com..../entries/general/Wil
Shortly after Gagnier's first descriptions, this interpretation of the tail was questioned (Soehn Wilson 1990; Sansom et al. 2001), as a end result of no other fossil or residing jawless vertebrate possesses a caudal fin with an extended, axial, notochordal lobe, and owing to points over the preservation of the tail region in this single specimen. The posterior extremity of the presumed notochordal lobe of the specimen MHNC 1182 was partly coated by the pinnacle shield of another Sacabambaspis spec
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