
kuravundaakunna

litorinidae kudumbatthile oru maraine gastropod molesk aaya kadal nathayude oru inamaanu lakuna crassier, winkles allengil perivinkles.
vitharanam.
"brittan athinte thekkan paridhiyulla oru sarkkamboriyal, sub artic inamaanu "lakuna crassier". chaanal dveepukalilum roscoffinte thekkan shreniyude arikukalilum ithu kaanapedunnu.
vivaranam.
"lakna crassier" manja niramullathinaal 14x10 millimeter vare neelatthil valaraan kazhiyum. record cheytha shellinte paramavadhi neelam 14 millimeteraanu. neelamullathum vishalavumaaya mookkum nerttha thala koodaarangalumulla "lakna vinkta" yumayi valare saamyamullathaan ithinte shareeram. athinte call neelamullathum, munvashathe iruvashathumulla oru marjinum, ooppatkulathinu thaazhe ninnu rund hraswavum veluthathum mettaapodiyalumaaya koodaarangalum undu. eee metapodiyal koodaarangal "lakna vinkta" yekkaal parannathaanu.
lakna crassierinu" aarr muthal ezhu vare gopurangalulla oru sakthamaaya shell undu. athinte nerttha sarppila stry lambamaya kosttayum kooduthalum kattiyulla periostracom kondu maranjirikkunnu, pakshe shellinte avasana chuzhalil kramarahithamaya madakkukalude oru parambara roopappedunnu. pokkil idaykkide adaykkukayum pokkil kuzhal kurakkukayum kolumellayude adiyil apperchar valichedukkukayum konedukkukayum cheiyunnu.
aavaasavyavastha.
ithu asaadhaaranamaanu, beechinte thaazhathe bhagamaaya thaazhnna jalapravaha veliyettathil (ell. dablyu. ezz. tii) sambhavikkunnu, ithu vasanta veliyetta samayat maasathil kurachu thavana maathrame kaanappedunnulloo. 30 meettaril kooduthal aazhathilum 90 meter vare aazhathilum ithu kadaltheerathu kaanapedunnu. cheli, manal, charal, parukkan avashishtangal ennivaykkidayilulla kallukalkkidayil ithu kaanapedunnu.
rekhappeduthappetta ettavum kuranja aazham 2 meteraanu. rekhappeduthappetta paramavadhi aazham 176 meteraanu.

