
bradisorus

bradisorus valuthum adyakaalavum saadhaaranavumaaya oru paariyosoraayirunnu. avarude pradhana vettakkaraaya gorgonopsianmarkethire prathirodhamaayi pravartthikkunna kavachitha scutukalude oru cover avarkkundaayirunnu.
dakshinaafrikkan kaaroovinte "tapinocephalus" asamblej sonil (kaapittaaniyan yugam) ninnaan "bradisorus" fossilukal ariyappedunnathu. samanamaaya valia denosephaliaykkoppam, madhya permian kaalaghattatthinte avasaanathile sasyabhakshana megaafoonayaanu braadisourukal.
vivaranam.
"bradisorus" neelavum araa tonn muthal oru tonn vare bharavumaayirunnu. thalayotti valuthum (ekadesham 42 muthal 48 centimeter vare neelam) veethiyullathum munvashath vrithaakrithiyilumaayirunnu. asthikalkkidayilulla thunnalukal vyakthamaayi kaanaathavidham parukkan silpangalum narmmangalumullathaayirunnu ithu. naamamaathramaaya pallukal uyarnna kireedamullavayaayirunnu, kurachu kaspukal maathrame undaayirunnulloo, ithu oru aadima swabhaavamaanu. kaalukal cheruthum veethiyullathumaayirunnu, falangial kaundu 2,3,3, munkaalukalil 3,2, pinnil 2,3,3,4,3 aayirunnu. kooduthal vipulamaaya roopangalil ullathupole kattiyullatho bharamullatho allengilum shareeram muzhuvan dermal scutukalaal samrakshikkappedunnu.
vargeekaranavum speesheesukalum.
"braadisourine upakudumbathile eaka amgamaanu bradisorus. ariyappedunna ettavum aadimamaaya pariasore aanith, mattullavar vikasippichedutha oru nalla poorvvika inamaayi kanakkakkaam. parinaama charithratthinte valare thudakkathil thanne eee vichithra mrugangal ithinakam thanne opttimal valippam nediyirunnuvennu athinte valia alavukal kaanikkunnu. pinneedu, "scutosorus" polulla kooduthal noothana roopangal valuthaayirunnilla. valia valippathinte prayojanam vettakkaarkkethire prathirodham nalkukayum sthiramaaya shareera thaapanila (jigantothermi) nilanirthukayum cheyyuka ennathaayirunnu.
1969 leeii kuhn eee janussil onpathiladhikam enangale pattikappedutthunnu, pakshe ithu theerchayaayum oru amita samkhyayaanu. 1969 leeii boonstra pallukalude gadanayude adisthaanathil naalu enangale maathrame verthirikkunnulloo, avayil randennam kuhn "embrithosorus" janussil ulppedunnu. brachiperiya, bradisucus, colemasorus, plattioropha ennee janussukal bradisorasinte paryaayangalaan.
bii. dakshinaafrikkayile karoo thadatthile lover beaufort beds, "tapinocephalus" sonil ninnullathaanu baini (sealy, 1892). eee janussinte tharam ithaanu. kwadra-jugal mekhala (kavil-ellukal) mithamaayi maathrame vikasippicheduthitlu. mookk veethiyum vrithaakrithiyumullathum oro thaadiyellilum 15 allengil 16 jody overlapping pallukal undaayirunnu. eee mrugathe oru pothuvaaya aadyakaala pariosaur aayi kanakkakkaam. liie, 1997 anusarichu, "bii" yude labhyamaya metteeriyal. binic "autopomorphicalo savisheshathakalo illa.
bii. dakshinaafrikkayile karoo thadatthile lover beaufort beds, "tapinocephalus" sonil ninnullathaanu seelai (hougton aandu boonstra, 1929). ithu saadhaaranamallaatha oru roopamaanu. 1969-leeii boonstra, ithine "bradisoracy" nte saadhuvaaya inamaayi kanakkaakkukayum 1997-leeii liie, eee mrugathe kooduthal noothanamaaya paariyosorukalude sahodari groupaayi kanakkaakkukayum cheiyunnu. "bii. sealy "nochelesorus", "embrithosorus" ennivayumaayi adutha bandhamullathayi thonnunnu. kooduthal ennathil ninnu vyathyasthamayi ennaal samana valippamulla "bii. baini, "kavilile ellukal bharamullathum valare valuthumaayirunnu. oro thaadiyellilum 19 allengil 20 jody sakthamaaya overlapping pallukal undaayirunnu.