protoma

touritellidae kudumbatthile kadal ochukal, maraine gastropod molaskukal ennivayude oru janussaanu protoma.
speeshees.
protoma" janussil nilavilulla enangalil iva ulppedunnu
vamshanasham sambhavicha enangal.
eee janussile kadal ochukalkkulla fossilukal europe, dakshinaafrikka, india, paakistaan ennividangalile oligozene muthal kwaattenari vareyulla avashishtangalil ninnu kandethiyittundu (prayaparidhi 28.4 muthal 0.012 dasalaksham varshangalkk munbu).

