
vexillum helena

ribbed maittar aaya costellaridae kudumbatthile cheria kadal nathayaaya maraine gastropod molaskkinte oru inamaanu vexillum helena.
vivaranam.
shellinte neelam 15 millimeterum vyaasam 6.6 millimeterum aanu.
(yadhaartha vivaranam) cheria shell mezhuk-manjayaanu, rund velutha baandukalulla, aadyathethu thunnalukalkidayilulla muun pakuthiyekkaal alppam kooduthalaanu, randaamathethu, ekadesham pakuthiyolam veethiyullathaanu. protoconchinte churulukal vighadippikkappettirukku. teleconchinte avasheshikkunna aarr chuzhalukal kodumudiyil tholil chumakkunnu, athil valare shakthavum cheruthaayi pinvaangunnathumaaya aksha vaariyellukal adayaalappeduthunnu, athil 16 ennam sheshikkunna valavukalil aadyathethilum 20 ennam randaamathethilum 16 ennam bakkiyullavayilum sambhavikkunnu. aksheeya vaariyellukalkk purame, chakrangalkk kuruke sakthamaaya sarppila charadukal kadannupokunnu, athil anchu ennam sambhavikkunnu. 
naalaamatheyum avasaanatheyum aadyathe moonninteyum ezhinteyum thunnalukalkkidayil. aksheeya variyellukalkkum sarppila charadukalkkum idayil ulkkollunna edangal pinbhaagathu aazhathilulla kuzhikalum thunnalukalkidayilulla muun pakuthiyil aazhathilulla cheettukalumaanu. munbhaagathinte valarchayiloode adithara idathu vashath nischithamaayi sigmoid aayi maattunnu; kolumellayude attam vare vyaapikkunna aksha vaariyellukalude thudarchayum 10 sarppila charadukalum adayaalappeduthunnu, athil kolumellayude 6 pinbhagangal kolaniyile pole aanu, athesamayam kolumella aadya rund vishalavum shakthavum kooduthal vrithaakruthiyilullathum, munvashathe avasana rund durbalavumaanu. thunnal nannayi akarshikkappettu. apperchar idungiyathum munvashath chaanal cheythathumaanu. pinbhagam theekshnamaanu. puram chundinu ullil 12,000 nertthathum sarppilavumaya chulivukal adayaalappeduthiyittundu. kolumellakku naalu charinja madakkukalundu, avaa pinbhagam muthal munbhagam vare pathivayi kurayunnu. avaa ore kramatthil kooduthal charinjathaayi maarunnu. 
vitharanam.
eee samudra inam dakshinaafrikkayil kaanapedunnu.

