
kianosucus

chainayile paan kaundiyude madhya triasic (aneeshyan) gwanling roopeekaranathil ninnulla jala poposoroid aarkkosorinte vamshanasham sambhavicha oru janussaanu kianosucus. ekadesham poornnamaaya rund asthikoodangalum chunnaambukallukalil sookshichirikkunna oru takarnna thalayottiyum ithine prathinidheekarikkunnu. "kianosuchus" kuranjathu 3 meter neelamullathum aadhunika uppuvella muthalakalkk samanamaaya ardha-samudra jeevitashailiye soochippikkunna niravadhi asthikooda poruthappeduthayullukallu. eee poruthappedutthalukal triasic kaalaghattatthile mattethenkilum aarkosarukalil kanditilla.
vivaranam.
"kianoshuchasinu" ekadesham 33 centimeter (13 inch) neelamulla thalayottiyum neelamulla mookkumundaayirunnu. premaxilla roopeekarikkunna rostrum thalayottiyude munvashath aazhamillaathathaanengilum pinbhaagathu aazhamullathaan. oro premaxillaykkum onpathu neelamulla pallukalundu, maaksillakalkk pathinettu pallukal veethamundu. ellah pallukalum mattu mamsabhojikalaaya aarkkosorukaleppole vashathayi compress cheyyukayum pinnilekku valayukayum nakham nalkukayum cheiyunnu. narangal vikasippikkukayum neelameriyathum aantorbittal fenestrayumaayi eathaandu koottiyidikkukayum cheiyunnu, athaayath avaykkidayilulla septtam (asthi mathil) nertthathum bharam kuranjathumaanu. asaadhaaranamaayi, jugal aantorbittal fenestrayude athirthiyude bhagamalla. oro bhramanapathathilum valuthum nannayi vikasichathumaaya oru sclerotic valayam undaayirunnu, ithu "kianosucus" diving cheyyumbol sammarddathil nethragolathe shakthippeduthumaayirunnu. munvashathe asthikalude mukal uparithalathil aazhathilulla phosa (depression) undu, avaa paariyettalukalulla thunnalukalilekku pinnott neendu nilkkunnu. atharam mattoru phosa rund paariyettalukalkkidayil undu. danthadoktari agrathil valare cheruthaayi thiriyunnu; phosilukalile maxillary pallukal asthi marachuvekkunnathinaal krithyamaaya pallukalude ennam anjjaathamaanu. hyoid asthikal neelamullathum nertthathum cheruthaayi vikasicha attangalullathumaan.
"kianoshuchasinu" onpathu servical, pathinanju dorsal, rund trika, kuranjathu 50 kaudal kasherukkalenkilum undaayirunnu. rund asthikoodangalilum wall pinbhagam kaananilla. neural nattellukal pinbhaagathu (wall thaazhekku) uyarathil valarunnu, ithu kaudal kasherukkale uyaramullathum ennaal aaa pradeshathu nertthathumaakkunnu. aadyathe 23 kaudal kasherukkalkk vipareeta prakriyakalundenkilum eee prakriyakal kooduthal pinnilekku nashtappedunnu. vertebral sentra pinbhaagathu cheruthaakki valarunnu, ithu wall kazhuthinekkaal vazhakkamullathaakkunnu. kooduthal munkaala cadell kasherukkalil chilathinu chevron asthikal ventral undu, ithu wall uyaram vardhippikkunnu. ellah presacral kasherukkalkkum avayude neural nattellukalude mukalil cheria austiyodermukal undu. servical vaariyellukalkk avayude anubandha kendratthinte naalirattiyengilum neelamulla neelamullathum sakthamaaya peshikal gadippichirikkunnathum annanaalathe vikasippichukondu iraye munnott nayikkumbol thondayil sakshan srishtikkaan prapthamaakkunnu. dorsal vaariyellukal vikasikkukayum avayude vidoora attangalil paachiyostottik aakukayum cheiyunnu.
"kianoshukkas" scapulakal nertthathum cheruthum aayirunnu, pakshe avaykku valare vishalamaaya dorsal bledundaayirunnu. athinte coracoid asthikal oval aakruthiyilullathum valare nertthathumaayirunnu, athesamayam athinte clavikkilukal interclaavikkilumaayi ekadesham samakonukalil ucharikkukayum vashath ninnu oru ell aakruthiyilulla rooparekha roopappeduthukayum cheythu. humery nertthathum cheruthum eathaandu poornnamaayum nerayathumaayirunnu. bhagika asthikoodangalonnum kaimuttukalkk thaazheyulla munkaalukal samrakshichittilla.
valia pinn prakriya iliyathil cheria muun prakriya ulla pelvik girdil adutha bandhamullathum ennaal kooduthal bhouma aarkosorukalkku samaanavumaan. pubicalkku sameepa attathodu chernnu aazhathilulla foramen undaayirunnu, athesamayam nertthathum cheruthumaaya iskiyathinte vidoora attathinu alpam vipuleekaranamundaayirunnu. thudayude neelam eathaandu orepoleyayirunnathinaal thudayude neelam durbalamaayirunnu. kaalkkeniyathinu oru hemicylindrical contyle vishalamaaya calcanial kizhanguvarggavum undaayirunnu, athesamayam astragalasinu tbiac oru convex vashamundaayirunnu. anchaamathe mettaattaarsal cheruthaayi valanja anchu mettaarsalukalum rund taarsalukalum ariyappedunnu.
paleobiology.
"kianosucus" oru ardha-samudra jeevithashailiyumaayi nannayi poruthappettu, vashath compress cheytha vaalum uyaramulla neural nattellum kooduthal uparithala vistheernnam nalkunnu, ithu propulsionaayi athinte alanjuthiriyunna vaaline aasrayikkunna oru mrugathe soochippikkunnu. hupehsuchus", aadhunika maraine iguana thudangiya mattu niravadhi samudra uragangale apekshichu athinte wall yadhaarthathil kooduthal vipulamaanu, athinaal "kianosuchus" theerchayaayum oru kazhivulla neenthalkkaaranaayirunnu. ekthiyosorukal, mosaasourukal thudangiya niravadhi samudra uragangalilum nerttha skaapulakalum coracoidukalum kaanapedunnu, athesamayam neelamulla kazhuthum kuranja dermal kavacham tanstrophius polulla samudra uragangalilum kaanapedunnu."ennirunnaalum, athinte pelvik girdil, valuthum thaarathamyena prathyekathayillaathathumaaya kaalukal enniva" "kianosoochasine" "karayil nadakkaan anuvadikkukayum kanankaal sandhikale adisthaanamaakki neraayatho ardha-erect posture undaayirikkukayum cheythekkaam". ithellaam soochippikkunnathu "kianosucus" thaan thaamasichirunna aazhamillaatha kadalukalilum parisarangalilum ardha-jalajeevitam nayikkukayum vellathilo karayilo vettayaadukayum cheythu ennaanu.

