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GesperornisopodibniGesperornis Hesperornis regalis rekonstrukciyaBiologichna klasifikaciyaDomen Eukarioti Eukaryota Carstvo Tvarini Animalia Tip Hordovi Chordata Klas Ptahi Aves Ryad Gesperornisopodibni Hesperornithiformes Furbringer 1888Rodi Baptornis Brodavis 1 Chupkaornis 2 Enaliornis Judinornis Pasquiaornis Potamornis Hesperornithidae Asiahesperornis Canadaga Fumicollis Hesperornis ParahesperornisPosilannyaVikishovishe HesperornithiformesVikividi HesperornithiformesEOL 4434283Fossilworks 36617Gesperornisopodibni Hesperornithiformes ryad vimerlih ptahiv Vklyuchaye dva rodi z 4 vidami Zalishki cih ptahiv znajdeni u krejdovih vidkladah Kanzasu SShA pribliznij vik 80 90 mln rokiv Zauvazhennya shodo sistematiki zgidno z poglyadami deyakih naukovciv gesperornisopodibnih rozglyadayut yak vimerlij ryad klasu plazuni Mozhlivo do cogo ryadu takozh vidnosyatsya she 3 rodi Enaliornis Neogaeornis Baptornis z 4 vidami yaki buli opisani za fragmentarnimi zalishkami z krejdovih vidkladiv u SShA Chili ta Angliyi yaki pogano zbereglisya Gesperornisopodibni veliki ptahi odin vid dovzhinoyu ponad metr jmovirno dobre plavali ta pirnali a za zovnishnim viglyadom desho nagaduvali gagar ta norciv Najbilshij vidomij predstavnik ryadu opisanij v 1999 roci buv Canadaga arctica ta jmovirno dosyagav dovzhini 2 2 m 3 Potuzhni zadni kincivki mali 4 palci jmovirno z yednani plavalnoyu peretinkoyu abo mali virosti u viglyadi rogovih shitkiv yak u norciv Chashechka zrostayetsya z potuzhnim ta dovgim akromialnim vidrostkom Vuzkij taz tipovij dlya ptahiv Zdatnistyu do polotu ne volodili grudina ploska bez kilya vid silno redukovanoyi perednoyi kincivki zalishilasya malenka tonka plechova kistka Cherep za zagalnoyu konfiguraciyeyu podibnij do cherepa gagar ale rizko vidriznyayetsya ryadom osoblivostej malij ob yem mozkovoyi porozhnini verhnya ta nizhnya shelepi mayut zubi roztashovani u zagalnomu zholobku Peredshelepni kistki vkriti rogovim pokrivom ta ne nesut zubiv Chastina hrebciv geterocelnogo tipu hvostovij viddil silno redukovanij ta ne maye pigostilyu Jmovirno meshkali na morskih uzberezhzhyah zhivilisya riboyu yaku zdobuvali plavayuchi ta pirnayuchi Suhodolom jmovirno peresuvalisya z velikimi trudnoshami Gesperornisopodibni buli yedinimi mezozojskimi tvarinami sho kolonizuvali morya ta okeani Gesperornisopodibni vimerli razom z bagatma inshimi vodnimi formami tvarin Div takozh RedaguvatiSpisok vikopnih ptahivPrimitki Redaguvati Larry D Martin Evgeny N Kurochkin Tim T Tokaryk 2012 A new evolutionary lineage of diving birds from the Late Cretaceous of North America and Asia Palaeoworld 21 59 doi 10 1016 j palwor 2012 02 005 Tomonori Tanaka Yoshitsugu Kobayashi Ken ichi Kurihara Anthony R Fiorillo Manabu Kano 2017 The oldest Asian hesperornithiform from the Upper Cretaceous of Japan and the phylogenetic reassessment of Hesperornithiformes Journal of Systematic Palaeontology Online edition doi 10 1080 14772019 2017 1341960 Wilson Laura E Chin Karen Cumbaa Stephen Dyke Gareth 28 lyutogo 2011 A high latitude hesperornithiform Aves from Devon Island palaeobiogeography and size distribution of North American hesperornithiforms Journal of Systematic Palaeontology 9 1 9 23 ISSN 1477 2019 doi 10 1080 14772019 2010 502910 Literatura RedaguvatiKartashev N N Sistematika ptic M Vyssh shkola 1974 367 s Otrimano z https uk wikipedia org w index php title Gesperornisopodibni amp oldid 40570865