Wordnet polsko-angielski 
                         (tuataras
extinct forms from middle Triassic) 
Rhynchocephalia, order Rhynchocephalia 
synonim: sfenodonty
 (tuataras
extinct forms from middle Triassic) 
Rhynchocephalia, order Rhynchocephalia 
synonim: sfenodonty