Lateral commissures deflected ventrally at 15 to 30 degrees; anterior commissure highly uniplicate; linguiform extension high and narrow,
Kaynak: Rhynchonelloidella alemanica

Lateral commissures oblique ventrally; anterior commissure narrowly uniplicate; linguiform extension developed variably, generally low and
Kaynak: Sharpirhynchia

lingua | lingu- | tongue | bilingual, lingua franca , linguiform, linguistics, multilingual | lira | lir- | furrow | delirium |
Kaynak: List of Latin words with English derivatives