
jovelania

jovelania hii europechya loar devonian (france, germany) pasoon olakhalya jaananya oncoserida kramatil namshesh jhalelya pragaitihasik notiloidschi eka prajati aahe. notiloids heey shaled sephalopodscha eka vistrut gut tayar karatat jeey ekekali vaividhyapurn aanee asankhya hote parantu aata done vanshanmadhil mojkya prajatindware pratinidhitva karatat.
"jovellania" heey naav bail (1879) yanni dile hote aanee jovellanidae yaa fulane (1950) oncoseridala niyukt kelelya kulasathi haah prakar aahe.
aakarvidnyan.
"joveleniya" chey varnan, mand utaransah aanee jawaljawal golakar kinwa kinchit qamee jhalelya cross-sections haloohaloo rund honare, saral kinwa kinchit cytoconic kavach asane asey kele jaau shakate. 
ventrolatoral bajoo sapat asatat jyamule proseifuncular (ventral) bajoo kinchit koneey asate. septa jawalun antar asalele asatat aanee shivane aadvya asatat. cyphuncle madhya aanee ventral marginchya darmyan aanee marginchya jawal sthit aahe; vibhag kakshanmadhye vistarit kele jaatat; actinosyphonetchya sathyanmadhye rekhansh lamelle asatat.