ˌ ̷ ̷ ̷ ̷sə̇ˈfālyə noun plural
Usage: capitalized
Etymology: New Latin, from steg- + Greek kephalē head + New Latin -ia — more at cephalic
in some especially former classifications : an order or other division of Amphibia comprising all the pre-Jurassic and many later extinct typically tailed and salamandriform amphibians usually with well-developed limbs and sometimes of large size — compare labyrinthodontia , lissamphibia