plectosera

plectosera hii notiloidschi eka prajati aahe jee madhya aanee usheera ordovician kalat kalat tarficerid upvarg barandiocerinamadhye samavisht aahe. uttar amerikechya madhya aanee varchya ordovicianmadhye too vyapakpane aadhalala aahe.
"plectosera" madhye chhidrit (pahaa-madhyamatoon) nabhisah eka gundallele, tatbandi kavach asate; pahilya volutionchya shevati valls dorsley prabhavit hotat parantu praudh tappyat praudh shareer kaksh shejarchya vorlpasoon vegale hott asatana sail hotat. coaste (bargadya) varchya bajus ventry-reshet utaar karatat aanee shivan saral asatat kinwa tyanna bajukadil bhag asatat. cyphuncle heey subventral, orthocoanic asoon, tyanchi maan lahan, saral aanee aanee patal rings asatat.
"plectosera" aanee tyache samkalin "barandiocera" heey donhi bahudha tarficeratidepasun vyutpann jhaale aahet; tyachya subventral syphuncles "plectosera" bahudha "campabellosera", "barandiocera" tyachya sub-central syphuncles kadachit "centrotarficera" pasoon.

