
nisituris kristalina

pyramidellidae kudumbatthile oru samudra gastropod molesk aaya kadal nathayude oru inamaanu nisituris kristalina, piraamukalum avayude sakhyakakshikalum.
vivaranam.
valare nertthathum nertthathum eathaandu sutharyavumaaya shellinu neelamulla conic aakruthiyundu. ithinte neelam 2.9 millimeter muthal 4.5 millimeter vareyaanu. ithu cheruthaayi pokkilchamullathaanu. protoconchinte minusamarnna vrithangal valuthum valare uyarnnathumaan. oru cheria sainistral pupayodu saamyamulla reethiyil avaa churuttappettirikkunnu. turbonilla mikka enangalkkum helicoid allengil planerboid protoconch ullathinaal eee pupoid aakruthi eee inathe savisheshamaakkunnu. teleconchinte chuttupaadukalude kodumudiyil charinjunilkkunna ithu athinte paarshwarekhaykku appurathekku ganyamaayi vyaapichukidakkunnu. teleconchinte 12 chakrangal thunnalukalkkidayil valare uyarathil sthithicheyyunnu, oru paridhivare thoongikkidakkunnu (ithu munkaala volutionukalude kaaryatthil prathyekichum sathyamaan), koodaathe kodumudiyil cheruthaayi tholil irikkunnu. avaye alankarikkunnathu shakthamaayathum charinjathum vrithaakruthiyilullathumaaya aksha vaariyellukalaanu, avayude pinbhaagathu cheruthaayi kettiyirikkunnu, avide avaa chuttalavil samyojippikkappedaanula pravanatha kaanikkunnu. eee vaariyellukalil irupathirandu aadyathethil sambhavikkunnu (eee chuzhalikkaatt baakkiyullathinekkaal kooduthal vrithaakruthiyilullathum aduthullathumaaya vaariyellukal), randaamathethil pathinaalu, anchaamathethil panthrand, pathaamathethil pathinaar, avasaanathe chuzhalikkattil irupathu. intercostal speysukal vaariyellukalekkaal eratti veethiyullathum nischayamaayum mangiyathum minusamarnnathumaayathum chuttupaadukalile vaariyellukalude fusing pooyintil avasaanikkunnathumaayavaanu. thudarnnulla chuzhalukalude kodumudikal muun chuzhalinte chuttalavil ninnu oru paridhivare munvashath veezhukayum chuzhalukalk oru overhanging efakttum intercostal speysukaludeyum subchanald thunnalukaludeyum munkaala avasanippikkalinum idayil oru idungiya minusamarnna band nalkunnu. shareera chuzhalikkaattinte chuttalavum aditharayum nannayi vrithaakruthiyilullathaanu, randaamathethu valare cheruthaanu, mangiya valarchaa rekhakalaal maathram adayaalappeduthiyiriknu. apperchar valare valuthaanu, rooparekhayil ekadesham vrithaakruthiyilaanu. puram chundu nertthathum suthaaryavum akathe baahya shilpam kaanikkunnathumaanu. kolumella nertthathum valanjathum karangunnathumayathinaal athinte ulcherkkalin sameepam cheruthaayi charinja madakkamundu. paariyettal mathil verum callus philim kondu moodappettirikkunnu.
vitharanam.
indoneshya, samova, vaanuvattu, fiji, solamonukal ennivaykku akaleyulla pasaphik samudrathilaanu eee inam kaanappedunnath.

