Ferskil tusken ferzjes fan "Fjouwerpoatigen"

L
(kt)
 
==Tuskenstamme-opbou==
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* boppeklasse [[fjouwerpoatigen]] (''Tetrapoda'')
** klasse [[amfibyen]] (''Amphibia'')
** rangleas takson [[sauropsiden]] (''Sauropsida'')
*** klasse [[fûgels]] (''Aves'')
*** {{Stambeam2/ein tûke}}klasse [[reptilen]] (''Reptilia'')
** {{Stambeam2/ein tûke}}rangleas takson [[synapsiden]] (''Synapsida'')
*** {{Stambeam2/ein tûke}}klasse [[sûchdieren]] (''Mammalia'')
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{{boarnen|boarnefernijing=