
arctoseras

arctoseras anedi diguva triasic nundi madhyastamgaa irukaina discoidal shell mariyu seratitic kuttu thoo kuudina seratidid ammonoids yokka oka jaathi.
arctoseras" yokka shell saadhaaranamgaa vedalpu, chadunaina vaipula, irukaina gundrani ventral rim mariyu vistruta takkuva jeenu mariyu saadhaarana serrated lobes thoo kuttu kante chaalaa ekkuvagaa unde sampeedana chakraalatho invalute avutundi.
"arctoseras" kuu hayat (1900) anae paeru pettaru. janyuroopam "arctoseras polaris" (mojsisovics) spitsbergen nundi vastundi. "arctoseras" anedi arctoseratidae yokka rakam jaathi, idhi mecoseratacy kutumbamlo undhi, idhi seratita lopala unna suupar family. seratidids anevi ammonoid sephalopods, ivi ekkuvagaa triasic nundi vachinavi, conny eguva permianlo puurveekula roopaalatho untaayi. suupar family mugimpulaku sambandhinchi igizen yokka iteevali teerpuku anugunamgaa konnisaarlu mecoseratoidaga kanipistundi.
"kenada, united states, russia, australia, afghanistan mariyu malaysia nundi "arctoseras" nivedinchabadindi.

