
phylosera

phyloseras, phyloceratidae parivaar seey sambandhit ammonoid cephalopods kaa ack vilupt vansh haye. yeye nectonic mansahari praarambhik jurassic (hetangian yug) seey laker dair seey cretaceous (mastrictian yug) (201.30 seey 66.043 Ma) taka rahate they.
varnan.
phylosera" key gole lagbhag vyaas taka pahunch sakate hain, adhikatam lagbhag. inn adim ammonites mein ack niyamit khol key saath ack anaichhik, paarshvik roop seey chapata khol thaa. way lagbhag chikane they aur alankaran lagbhag anupasthit thaa yaa, adhik seey adhik, saral vikas rekhaaon dwara pratinidhitva kiya jaataa thaa joe mushkil seey dikhaai detaa thaa. hadataali paappurn silai rekhaaen iss vansh kii visheshta theen. way kuchh mayanon mein paudhon kii pattiyon kii yaad dilaate hain (isaliye naam "phyloseras", jiska arth haye "patta-seeng").
vitaran.
iss vansh key bheetar prajaatiyon key jeevaashm poori duniya mein paae gaye hain, vishesh roop seey paschimi europe mein.

