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Oldfieldthomasia vimerlij rid Notoungulate jmovirno pov yazanij z pidryadom Typotheria Vin zhiv u serednomu eoceni na teritoriyi suchasnoyi Pivdennoyi Ameriki OldfieldthomasiaPeriod isnuvannya serednij eocen 48 41 mln r t PreꞒ Ꞓ O S D C P T J K Ꝑ NBiologichna klasifikaciyaCarstvo Tvarini Animalia Tip Hordovi Chordata Klada Sinapsidi Synapsida Klas Ssavci Mammalia Ryad NotoungulataRodina OldfieldthomasiidaeRid OldfieldthomasiaAmeghino 1901VidiO anfractuosa Ameghino 1901 O debilitata Ameghino 1901 O parvidens Ameghino 1901 O transversa Ameghino 1901SinonimiO cingulata Ameghino 1901 O conifera Ameghino 1901 O cuneata Ameghino 1901 O furcata Ameghino 1901 O plicata Ameghino 1904Opis red Cya tvarina bula rozmirom priblizno z babaka i jmovirno zovni nagaduvala grizuna Cherep dovzhinoyu 10 santimetriv buv dosit nizkim i mav podovzhenu mordu ochni zapadini velikih rozmiriv buli vidkriti zzadu i roztashovani v zadnij chastini cherepa Vilichnij apofiz buv dosit tonkim Zadnya chastina Oldfieldthomasia debilitata bula retelno vivchena Dzhordzhem Gejlordom Simpsonom u 1936 roci shlyahom stvorennya 55 duzhe tonkih zriziv doslidzhennya pidkreslilo chislenni harakteristiki cherepa taki yak spivvidnoshennya mizh riznimi porozhninami Nizhnya shelepa bula dovgoyu i tonkoyu Zubi utvoryuvali bezperervnu ta progresivnu seriyu z povnoyu seriyeyu z 22 nizkih koronkovih brahidontnih zubiv yak na verhnij tak i na nizhnij shelepah Ikla mali rizcepodibnu formu Protokonus i gipokonus buli majzhe identichnimi z kosoyu i vityagnutoyu centralnoyu yamkoyu i zadnoyu yamkoyu sho zupinyalasya svogo rodu gachkom zroshenim z ektolofom Buli prisutni perednij i zadnij cingulum molyari mali mezostil a premolyari trikutni zi skladkoyu na metakonusi Primitki red Dzherela red F Ameghino 1901 Notices preliminaires sur des ongules nouveaux des terrains cretaces de Patagonie Preliminary notes on new ungulates from the Cretaceous terrains of Patagonia Boletin de la Academia Nacional de Ciencias de Cordoba 16 349 429 F Ameghino 1904 Nuevas especies de mamiferos cretaceos y terciarios de la Republica Argentina New species of mammals Cretaceous and Tertiarty from the Argentine Republic Anales de la Sociedad Cientifica Argentina 56 58 1 142 G G Simpson 1936 Structure of a primitive notoungulate cranium Am Mus Novit 824 1 32 G G Simpson 1967 The beginning of the age of mammals in South America Part II Bulletin of the American Museum of Natural History 137 1 260 Otrimano z https uk wikipedia org w index php title Oldfieldthomasia amp oldid 37128263