amphiaspididae

vamshanasham sambhavicha amphiacided heterostracken agnaathanmaarude oru kudumbamaanu amphiacidae, avarude fossilukal taimir upadveepinaduthulla cyberiayude thaazhnna devonian samudranirappil parimithappedutthiyirikku. jeevithathil, amphiaspididaeyude amphiaspididukal avarude jeevithathinte bhooribhaagavum hypersaline lagoonukalude oru parambarayude avashishtathil kuzhichitta benthik mrugangalaayi kanakkaakkappedunnu. sephalothorax kavachatthinte ellah plettukalum orotta muff polulla unitaayi samyojippichirikkunnathu amphiaspidukal mattu hetterostraakkaanukal ninnu eluppathil verthirichariyaan kazhiyum, angane jeevichirikkunna mrugathinte munbhagam oru jody cherutho adhapathichatho aaya annukalulla oru potpi pole kaanapedum, oronnum oru preeorbittal thurappum lalithavum cheenjathupoleyulla vaayayum kondu chuttappettirikkunnu.
vargeekaranam.
"amphiaspis".
"amphiaspis argo" ennathu amphiaspididayude oru inamaanu, ithu thalayinayude aakruthiyilulla apoornnamaaya sephalothorasic kavachathil ninnaan ariyappedunnathu. eee kavachathinu laattaral censory line kanaalukalude oru maathrkayum undennu thonnunnu.
"amphoraspis".
"amphoraspis stellaatta" kku oru kalam allengil kuzhichedi pole avyakthamaayi kaanapedunna vishalavum vrithaakruthiyilullathumaaya kavachamundu.

