Editing Claw (section)

===Amphibians===
The only [[amphibian]]s to bear claws are the [[African clawed frog]]s. Claws evolved separately in the amphibian and [[amniote]] ([[reptiliomorph]]) line.<ref>{{cite journal|title=The anatomy and development of the claws of ''Xenopus laevis'' (Lissamphibia: Anura) reveal alternate pathways of structural evolution in the integument of tetrapods|pmid=19422431|year=2009|last1=Maddin|first1=HC|last2=Eckhart|first2=L|last3=Jaeger|first3=K|last4=Russell|first4=AP|last5=Ghannadan|first5=M|volume=214|issue=4|pages=607–19|doi=10.1111/j.1469-7580.2009.01052.x|pmc=2736125|journal=Journal of Anatomy}}</ref> However, the [[hairy frog]] has claw analogues on its feet; the frog intentionally [[Joint dislocation|dislocates]] the tips of its fingers to unsheathe the sharp points of its last [[phalanges]].