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Sphenacodon sho oznachaye klinuvato zagostrenij zub ce vimerlij rid sinapsidiv yakij zhiv priblizno vid 300 do 280 miljoniv rokiv tomu pid chas piznogo karbonu ta ranno permskogo periodu Yak i blizkosporidnenij dimetrodon sfenakodon buv m yasoyidnim predstavnikom rodini Sphenacodontidae Prote sfenakodon mav nizkij grebin uzdovzh spini utvorenij iz lopatevih kistok na hrebcyah nejralnih shipiv zamist visokogo spinnogo vitrila znajdenogo u dimetrodona Skam yanilosti Sphenakodon vidomi v Nyu Meksiko ta na kordoni Yuta Arizona v Pivnichnij Americi SphenacodonPeriod isnuvannya pensilvanij ranno permskij period 300 280 mln r t PreꞒ Ꞓ O S D C P T J K Ꝑ NSkelet Sphenacodon ferox v Polovomu muzeyi prirodnoyi istoriyiBiologichna klasifikaciyaCarstvo Tvarini Animalia Tip Hordovi Chordata Klada Sinapsidi Synapsida Rodina SphenacodontidaePidrodina SphenacodontinaeRid SphenacodonMarsh 1878Vidi S ferox Marsh 1878 tipovij S ferocior Romer 1937 S britannicus Huene 1908 SinonimiElcabrosaurus Case 1907 Scoliomus Williston and Case 1913Vikishovishe SphenacodonNarazi doslidniki viznayut dva vidi Sphenacodon ferox tipovij vid i Sphenacodon ferocior Sphenacodon ferocior mozhe buti na 40 bilshim za zagalnim rozmirom priblizno 3 m zavdovzhki porivnyano z Sphenakodon ferox priblizno 2 m Krim togo spinni shipi u Sphenacodon ferocior proporcijno na 45 vishi nizh u Sphenacodon ferox Neshodavnye vidkrittya 1 majzhe povnogo cherepa Sphenacodon ferox dopomoglo proyasniti inshi vidminnosti mizh cimi dvoma vidami zokrema kilkist zubiv u pevnih chastinah shelep i rozmir viyimki mizh verhnoshelepnoyu ta peredshelepnoyu kistkami u verhnij shelepi Dva vidi zustrichayutsya razom u deyakih formaciyah ale Sphenakodon ferox ochevidno vizhiv piznishe v rannij permi Sfenakodon i dimetrodon yak pravilo buli znajdeni v riznih geografichnih oblastyah yaki buli rozdileni starodavnim morskim shlyahom Ueko yakij pronikav cherez ekvatorialnu Pangeyu pid chas rannoyi permi ta ohoplyuvav bilshu chastinu pivdennogo Nyu Meksiko ta chastini Zahidnogo Tehasu 2 Sfenakodon vidomij na zahodi v Nyu Meksiko Arizoni ta Yuti a dimetrodon vidomij perevazhno na shodi v Tehasi ta Oklahomi v bilsh deltovih seredovishah Odnak vid Dimetrodon occidentalis zustrichayetsya v Nyu Meksiko 3 4 Kozhen rid buv bi golovnim nazemnim hizhakom u svoyemu regioni ta jmovirno polyuvav na amfibij diadektid i rannih sinapsidiv i diapsidiv Zdayetsya sfenakodon vimer ranishe priblizno 280 miljoniv rokiv tomu pid chas Volfkampijskoyi epohi 1 Rid dimetrodon isnuvav priblizno 270 miljoniv rokiv tomu Taki veliki sfenakodontidni hizhaki piznishe buli zamineni terapsidami grupoyu sinapsidiv yaka vklyuchaye pryamih predkiv ssavciv 5 Galereya red nbsp Silno vidrestavrovanij cherep S ferox u Polovomu muzeyi nbsp Porivnyannya rozmiriv nbsp Restavraciya dvoh ekzemplyarivPrimitki red a b Spielmann J A Rinehart Larry F Lucas Spencer G Berman David S Henrici Amy C Harris Susan K 2010 Redescription of the cranial anatomy of Sphenacodon ferox Marsh Eupelycosauria Sphenacodontidae from the Late Pennsylvanian Early Permian of New Mexico Bulletin of the New Mexico Museum of Natural History and Science 59 159 184 Lucas S G 2011 Traces of a Permian Seacoast Prehistoric Trackways National Monument s 1 48 Berman D S 1977 A New Species of Dimetrodon Reptilia Pelycosauria from a Non Deltaic Facies in the Lower Permian of North Central New Mexico Journal of Paleontology 51 1 108 115 Lucas S G Spielman J A Rinehart L F Martens T 2009 Dimetrodon Amniota Synapsida Sphenacodontidae from the Lower Permian Abo Formation Socorro County New Mexico New Mexico Geological Society Guidebook 60th Field Conference Geology of the Chupadera Mesa Region 281 284 Palmer D red 1999 The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals London Marshall Editions s 187 ISBN 1 84028 152 9 Otrimano z https uk wikipedia org w index php title Sphenacodon amp oldid 39522869