auxiliary lobe मीनिंग इन हिंदी

The ventral lobe is divided, 1st lateral lobe is larger than the second, which is followed by a series of auxiliary lobes decreasing in size toward the umbilicus.
The two or three principal lateral lobes on either side that are wide and deeply digitate, followed dorsally by another three or more smaller, also digitate, auxiliary lobes.
The "'Daraelitidae "'form a family in the ammonoid order Prolecanitida from the Upper Mississippian-Middle Permian characterized by discoidal shells with no prominent sculpture, moderately large umbilicus, and goniatitic or ceratitic sutures with a trifid ( three pronged ) ventral lobe and few auxiliary lobes.