affelessorus

paleosoic kaalaghattatthinte avasaanathil mississippiyan kaalaghattatthil jeevichirunna trigonoseratesiyude bhagamaaya notilid kudumbamaaya trigonoseratidaeyil ninnulla vamshanasham sambhavicha oru janussaanu affeleseras.
"vishalamaaya pokkilum cheria dorsal impression ulla 'affeleseras' vikasikkukayum compress cheyyukayum cheiyunnu. konkevu ventarilekku charinjirikkunna convex vashangalulla subrectangular aanu voorl sekshan. ventral thool upabhujaakrithiyilullathum pokkiltthadi tholukal vishaalamaayi vrithaakruthiyilullathumaanu. thunnalin idungiya ventral lobum vishalamaaya laattaral lobukalum undu. sifankil kendratthil ninnu valare kuravaanu.
"affeleseras" mississippiyan bhashayil kandethiyittundu (l. carb) vadakke americayileyum europileyum stharangal. 1844 ll hayat aanu eee janusinu peru nalkiyathu. "eiii" enna tharam. deficile (deconing) beljiyathil ninnaan vannath.
"europile thaazhnna carboniferasil ninnulla "mesocasmoseras" oru konkevu ventarinu samaanamaan, ennaal aadyakaala chuzhalukal cross sekshanil eathaandu andaakrithiyilullathum pokkilinu vishalamaaya sushiravumund.

