
agerocasis

480 dasalaksham varshangalkk munbu morocoyude phesovata roopeekaranathil aadyakaala oordoovishyan kaalaghattatthil jeevichirunna hardiday kudumbatthilppetta bheeman radiodond aarthropodinte vamshanasham sambhavicha oru janussaanu egirocasis. egerocasis benmoulai enna orotta inam ithine ariyappedunnu. vaan rooy fosilinekkurichu shaasthreeya patanam aarambhichu, innuvare kandethiya oru "bheeman" filter feederinekkurichu ariyappedunna aadyathethaanu ithu. "ejirokkaasis" aadyakaala kollayadikkunna radiodondukalil ninnu parinamichathaayi kanakkaakkappedunnu. neelamullathum munnottullathumaaya thala sclerite munvashathe anubandhangalile endaittukalum dhaaraalam ballion polulla sahaaya nattellukal vahikkunnavayaan eee mrugathinte savisheshathakal. paristhithi mattangal plaanktaninte vaividhyavalkkaranathin kaaranamaaya eee mrugathinte filter-feeding swabhaavasavisheshathakal mikkavarum mahathaaya oordovishiyan biodiversification evantinte falamaayirikkaam, ithu puthiya suspension feeding lifefomukalude parinaamathinu anuvadichu. veyilsil ninnulla perillaattha hardidid, middle oordoovishyan dinocaridid "mieridurine", devonian hurdied "shinderhaness" ennivaykkoppam eee radiodond poost-cambrian paarakalil ninnu ariyappedunna churukkam chila dinokaarididukalil onnaanu. 
vivaranam.
"eiii. ariyappedunnathil vachu ettavum valia radiodond eee kaalaghattatthil nilaninnirunnathil vachu ettavum valia mrugavumaayirunnu benmoulai, athinte neelam athil kooduthalaanennu visheshippikkappettu.
mrugangal parannukidakkunna mattu radiodond phosilukalil ninnu vyathyasthamayi asaadhaaranamaaya trimana vishadaamshangalodeyaanu phoosil samrakshikkappettath. trimana samrakshanathinte gunanilavaaram radiodond trunk flaappukalude swabhaavathilekku velicham veeshunnu. agerocasis benmoulai" maathrkayude oro thumbikkaiykkum oru ventral, dorsal jody flaappukal undu. maathrkayil vyakthamaayi kaanunna niravadhi vishadaamshangal nilavilulla saambilukalude gaveshanathinte avalokanathinum punarmoolyanirnnayathinum kaaranamaayi, ettavum pradhanamaayi, ventral jody arthropod endopodukal (avayavangal polulla aantharika shaakhakal), lobopodian kaikaalukal (lobopodukal) ennivayumaayi samaanamaan, dorsal jody arthropod byramus avayavathinte gild lobopodianteyum eksittukaludeyum (gill polulla baahya shaakhakal) flaappukalumaayi samaanamaan. paittoya", "hardia" thudangiya mattu hardiaid radiodondukalkkum oru jody dorsal flaappukal undennum eee kandethal kandethi.
ejirokkaasisinte" munvashathe anubandhangalkk anchu endaittukalundaayirunnu, oro enditinum 80 sette polulla sahaaya nattellukal undaayirunnu. eee nattellukal filter feedinginaayi oru meshai upayogichathayi kanakkaakkappedunnu. tamisiocaris" enna radiodond pheed cheiyunna mattu filterinte athe valippathil mesojooplaanktan upayogikkaan ithinu kazhinjirikkaam. ennirunnaalum, "ejirokkaasisinte" munvashathe anubandhangalile nattellukal akathekku konullavayaanu, ithu nattellukale oru paridhivare ovarlaappu cheyyaan anuvadikkukayum filtering meshinte valuppathil kooduthal niyanthranam anuvadikkukayum cheiyunnu. tamisiocaris" ennathinekkaal valia valippathilulla sooplanktan "ejirokkaasis" bhakshichirikkaam enna kanakkilekku ithu nayichu. koodaathe, valia carapace (echu-ghadakam) munvashathe anubandhangalilekku feeding karantine nayikkaan sahaayichittundaakam. agerocasis" ll ninnu annukalum vaayupakshavum (ooral koonn) ariyilla. ithu oru filter feeder aayathinal, "ejirokkaasisinu" orupakshe kadinamaaya wipart illaayirikkaam, koodaathe vaayayude ghadana samrakshikkappedaathinte kaaranam vishadeekarikkunna oru vazhakkamullathum aayirikkam.
kandethal.
eiii" yude oru phoosil. beljiyathile ghent sarvakalaashaalayile professional paleantologist peettar vaan royiyude shradhayilppeduthukayum athinte apoorva swabhaavasavisheshathakal thirichariyukayum cheytha phoosil collector mohammed benn moulayude perilaanu morocoyile phesovata biotayil ninnulla benmoulai kandethiyathu. 

