
afrovenattar

vadakkan aafrikkayile madhyakalam muthal avasanakaala jurassic kaalaghattatthile megalosorid theropod dinosarukalude oru janussaanu aafrovenettar (; "aafrikkan vettakkaaran").
kandethalum naamakaranavum.
1993ll nigerile agadez departmentinte teoraren roopeekaranathilaanu "afrovenettarinte" avashishtangal kandethiyathu. ekadesham 132 muthal 125 dasalaksham varshangalkk munbu (sereno mattullavarum) aadyakaala cretatius kaalaghattatthile huterivian muthal barremian ghattangale prathinidheekarikkunnuvennu teoraren yadhaarthathil karuthappettirunnu. 1994). ennirunnaalum, avashishtangalude punarvyakhyaanam kaanikkunnath avaa praayatthil madhyam muthal avasanakaalam vare aayirikkam, bathonian muthal ooksfoordiyan gattangal vare, 167 num 161 miyavinum idayil "afrovenator" aanennu. aafrovenettar" ennu peritta athe pepparil aadyamaayi paraamarshichirikkunna soropod "joberia" yum eee roopeekaranathil ninnaan ariyappedunnathu.
"afrovenator" ennathu thaarathamyena poornnamaaya orotta asthikoodathil ninnaan ariyappedunnathu, holotype yusi oba 1, thalayottiyude bhooribhaagavum athinte mukalbhagam mainus cheiyunnu (athupole thanne mandible allengil thaazhathe thaadiyellukalkk prearticular asthi ozhike kuravaanu), nattellu nirayude bhagangal, bhagika munkaalukal, bhagika pelvis, pinkaalukal ennivayil bhooribhaagavum. eee asthikoodam chikkago sarvakalaashaalayilaan sookshichirikkunnathu.
laattin "affer", "aafrikkan", "vettakkaaran" ennee padangalil ninnaan pothuvaaya peru vannath. aafrovenettar abakensis" ennu perulla oru inamundu. pothuvaaya peru athinte kollayadi swabhaavatheyum aafrikkayil ninnulla uthbhavatheyum soochippikkunnu. phoosil kandethiya niger pradeshatthinte tuwareg naamamaya abaca nirddishta peru soochippikkunnu. 1994ll prashasthamaaya "sayans" jenalil prasidheekaricha oru prabandhatthil janussinteyum speesheesukaludeyum yadhaartha hraswa vivaranam kaanapedunnu. jephri vilson, hans laarsan, deediyar dutheyil, hans-daittar kesukal ennivar saha rachayithakkalaaya prashastha american paleantologist pooll serino aayirunnu praadhamika rachayithaav.
vivaranam.
ariyappedunna oru asthikoodathil ninnu nokkumbol, eee dinosarinu mookk muthal wall attam vare neelavum gregory ezz anusarichu ekadesham 1 tonn bharavumundaayirunnu. pooll. thomas aarr. holts juuniyar. neelatthilum bhaarathilum ithu kanakkakki. 2016ll ithinu neelam, arakkett, bharam ennivayil kuranja kanakk nalkiyirunnu. pothuvaaya nirmmaanam grassil aanennum munkaalukalum thaazhathe kaalum thaarathamyena neelamullathaanennum serino oonnipparanju arakkett ezhupathiyaaru centimeter neelamullathinekkaal yathaakramam naalpat centimeter neelavum tbiaykkum naalaamathe mettaattaarsal alavum yathaakramam 687,321 millimeterum aanu.
niravadhi autopomorphical sthaapikkappettittundu, "aafrovenettarine" athinte adutha bandhukkalil ninnu verthirikkunna swabhaavasavisheshathakal. aantorbittal fenestra sthithi cheiyunna depression oru lobinte roopathil munvashath undu. moonnaamathe kazhuthile kasherukkalkk chathuraakrithiyilulla nattellu kuravaanu. chandrakkala aakruthiyilulla kaithandayude asthi valare parannathaanu. aadyathe mettaakaarppalin randaamathe metaakaarpalumaayi vishaalamaayi vikasikkunna sanbarkka uparithalamundu. pubic asthiyude call pinnil ninnu nochu cheythirikkunnu.
saadhaaranayaayi thalayotti parannathaanu, athinte uyaram athinte neelatthinte moonnirattiyil thaazheyaan, ithu primaxillayude abhavam kaaranam krithyamaayi nirnnayikkaan kazhiyilla. tooth sokkattukalil ninnu oohikkaavunnathupole, neelamulla muun shaakhayulla maxillaykku pathinaalu pallukalunda pallukal nashtappettu. aantorbittal depressionte attathu athaathathum promaxillary fenestrike pinnilullathumaaya oru cheria maxillary fenestrayundu. lacrimal asthiyude mukalil oru prathyeka vrithaakrithiyilulla kombaanullathu. posttoorbittal asthiyude thaazhathe shaakhaykku vipareeta veethiyundu. jugal asthi cheruthum aazhameriyathum numatised aanu.
vargeekaranam.
mikka vishakalanangalum "aafrovenettar" megaalosourideykkullil sthaapikkunnu, ithu munbu oru "vesttu basket famili" aayirunnu, athil valuthum tharamthirikkaan prayasamullathumaaya niravadhi theropodukal adangiyirunnu, ennaal athinusesham megaalosouroyidiyaykkul spinosouridae kudumbatthinte oru sahodari taxon enna nilayil ardhavathaaya reethiyil punarnirvachikkapettu.
2002-leeii oru vishakalanathil, pradhaanamaayum nosoridukalil shradha kendreekarichu, "afrovenator" oru basel megalosorid aanennu kandethi. ennirunnaalum, ithil "dubruillosorus" (munbu "pokkiloplooron valesdunancis") ulppeduthiyitla, ithu cladogramile aaa pradeshathe (carano mattullavarum) phalangale baadhichekkaam. 2002).
kooduthal puthiyathum poornnavumaaya klaadistik vishakalanangal "eustreptospondile", "dabruillosorus" ennivayulla megalosoridaeyude oru koottatthil "afrovenator" kaanikkunnu. eee groupine megalosorine (allaine 2002) allengil eustreptospondila (holts "thudangiyava") ennu vilikkunnu. 2004). eee taxonil "pietnitskisoras" umm ulppedunnu. 2012 muthal maathyoo carrano nadatthiya oru padanatthil "afrovenator" oru megalosorid afrovenattoriniyil sthaapichu.
afrovenettarinte" bandhangalkkayi chila badal sidhaanthangal avatharippichittundu. serinoyude yadhaartha vivaranathil, spinosoridaykkum megalosoridaykum (addeham athine torvosoridae ennu vilichu) purathulla oru basel spinosoroid (akkaalat addeham torvosoroidia enna peru upayogichirunnu) aanu "afrovenator" ennu kandethiyittundu. avasaanamaayi, aduthideyulla mattoru patanam "afrovenator" megalosoroidiaykk poornnamaayum purathaanennu kandethukayum pakaram ithu "alosorasumaayi" (rauhatt 2003) kooduthal adutha bandhamundennu kandethukayum cheiyunnu. eee nigamanatthilethunna eaka patanam ithaanu.
carrano muthalaayava anusarichu filogeny."(2012) eee cladogram kaanikkunnu.