A new species of the tetralophodont amebelodontine Konobelodon Lambert, 1990 (Proboscidea, Mammalia) from the Late Miocene of China
[摘要] HerewedescribeanewspeciesofKonobelodonLambert,1990—apoorlyknowntetralophodontshovel-tuskedproboscidean—fromtheLateMioceneoftheLinxiaBasin,China.Detailedosteologicalanatomiesofskulls,teeth,andpartialpostcranialbonesofthenewtaxon,Konobelodonrobustusn.sp.,aredescribedanddetailedmorphologicalcomparisonswiththeotherspeciesofKonobelodon(K.atticus(Wagner,1857)=Mastodongrandincisivus,Schlesinger1917,andK.britti(Lambert,1990))andothergomphotheresareconducted.Theskullandjaw-closingmusclesofajuvenileindividualofthenewspeciesarereconstructedandthebodymassisestimatedbasedonitslimbbones.PhylogeneticanalysisofgenerawithinElephantimorpharesultsinthreemostparsimonioustrees,ofwhichtwosupportasister-grouprelationshipbetweenKonobelodonandPlatybelodon,withinamonophyleticAmebelodontinae.ThenewresultsenhanceourknowledgeontheanatomyandphylogenyofKonobelodon,andindicatepronounceddiversificationandstrongparallelevolutionintheamebelodontines.
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[效力级别] [学科分类] 生物科学(综合)
[关键词] Amebelodontinae;Konobelodon;tetralophodont gomphotheres;Late Miocene;China;new species;Amebelodontinae;Konobelodon;Gomphothères tetralophodonte;Miocène supérieur;Chine;espèce nouvelle [时效性]