neocardioserakal

europile padinjaaran yuu. esile ettavum mukalilulla senomanian, upper cretatius ennivayil ninnu parinamicha acanthoseratid amoniteukalude oru janussaanu neocardioseras.ezz. oppam brazil.
1989 leeii cobbon, hook & kennedeyil vivarichirikkunnathu, "neocardioseras" valare cheruthum mithamaayi parinamichathum saadhaaranayaayi compress cheythathumaaya amonitaanu, ithu vaariyellukalum pokkilukalum, akathum puratthum, siphonel (madhya ventral) tuberkilukalum prorsiradettu cheyyaan pramukhavum valare annathilumulla rectoradiat aanu. praadhamika vaariyellukal pokkilil aarambikkunnu allengil pokkili kizhangukalil ninnu uyarunnu, koodaathe dvitheeya vaariyellukal purambhaagathu kooduthal uyarunnu. vaariyellukal aantharika ventrolaattal tuberclukalude sthaanathu munnott valanju ventarine chevronukalaayi kadakkunnu, avide avaa outtar ventrolaattal, siphonel tuberkilukale pinthunaykkunnu.
"quensted toseras" keel ozhikeyulla "" preonocyclus "" soumyathayodu saamyamulla amoniteukalkkaayi 1926-ll spath "" neocardioseras "" nirddeshichu ". 1957ll raitt, "neocardioserakale" moorchayulla pokkilukalum eratta ventrolaattal tuberkilukalum (oro vashathum akavum puravum) oru nodos keel (spaathinte "questedosera" thaarathamyam) roopappeduthunna closs raundu siphonel (midu ventral) tuberclukalude oru variyum vikasikkukayum compress cheyyukayum cheiyunnuvennu visheshippichu. puram chuzhalikkaattukalil kizhanguvargangal aprathyakshamaakukayum moorchayulla vaariyellukal avasheshikkukayum cheyyum.
moorchayulla vaariyellukal, kooduthal faastigettu (gable roof) ventar, valare aduthulla siphonel tuberkilukal enniva "neocardioserakale" samanamaaya "protcardioserakalil" ninnu verthirichariyaan sahayikkunnu."

