Drusilasaura

Drusilasaura Temporal range: Upper Cretaceous, Cenomanian–Turonian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	Saurischia
Clade:	†Sauropodomorpha
Clade:	†Sauropoda
Clade:	†Macronaria
Clade:	†Titanosauria
Clade:	†Colossosauria
Genus:	†Drusilasaura Navarrete et al. 2011
Species:	†D. deseadensis
Binomial name
†Drusilasaura deseadensis Navarrete et al. 2011

Drusilasaura is an extinct genus of possible lognkosaurian titanosaur sauropod dinosaur which lived during the late Cretaceous (Cenomanian-Turonian stage) of Santa Cruz Province of southern Patagonia, Argentina.

Drusilasaura is known from the holotype MPM-PV 2097/1 to 2097/19, a partial skeleton including four dorsal vertebrae, a sacral vertebra, six caudal vertebrae, a left scapula, dorsal rib fragments and other fragments. It was found by palaeontologist Marcelo Tejedor searching fossil mammals, in layers of the Upper Member of the Bajo Barreal Formation, on the María Aike Ranch owned by the Ortiz de Zárate family. A team from the Laboratorio de Paleontología de Vertebrados of the Universidad Nacional de la Patagonia San Juan Bosco subsequently collected the remains.^[1]

Drusilasaura was named by César Navarrete, Gabriel Casal and Rubén Martínez in 2011. The type species is Drusilasaura deseadensis. The generic name honours Drusila Ortiz de Zárate, a young female member of the family who owns the ranch where the fossil was found, also making the name end in the feminine "-saura" instead of the masculine "-saurus". The specific name refers to the Río Deseado.^[2]

Drusilasaura is a large sauropod. The length of the scapula is 143 centimetres, 30% longer than that of Mendozasaurus.^[2]

Drusilasaura was assigned to the Titanosauridae by the describers and considered a possible member of the Lognkosauria. If so, it would be the oldest known lognkosaurian.^[2]

References

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Sauropodomorpha

Kingdom: Animalia Phylum: Chordata Class: Sauropsida Clade: Avemetatarsalia Clade: Dinosauria
Avemetatarsalia see Avemetatarsalia Sauropodomorpha see below↓

Sauropodomorpha
Sauropodomorpha Buriolestes Eoraptor Gigantoscelus Guaibasaurus Mbiresaurus Pampadromaeus Panphagia Saturnaliidae Buriolestes? Eoraptor? Chromogisaurus Nhandumirim Pampadromaeus? Panphagia? Saturnalia Bagualosauria Arcusaurus Asylosaurus Bagualosaurus Efraasia Nambalia Pantydraco Thecodontosaurus Unaysauridae Jaklapallisaurus Macrocollum Unaysaurus Plateosauria Plateosauravus Ruehleia Xixiposaurus Plateosauridae Euskelosaurus Gresslyosaurus Issi Pachysauriscus Plateosaurus Yimenosaurus Massopoda Gryponyx Gyposaurus Ignavusaurus Kholumolumo Musankwa Sarahsaurus Tuebingosaurus Riojasauridae Eucnemesaurus Riojasaurus Massospondylidae Adeopapposaurus Coloradisaurus Glacialisaurus Ignavusaurus? Leyesaurus Lufengosaurus Massospondylus Ngwevu Pradhania Sarahsaurus Xingxiulong? Sauropodiformes Chuxiongosaurus? Jingshanosaurus Qianlong Seitaad Xingxiulong? Yizhousaurus Yunnanosaurus Anchisauria Aardonyx Anchisaurus Camelotia Irisosaurus Lamplughsaura Leonerasaurus Melanorosaurus Meroktenos Mussaurus Pulanesaura Sefapanosaurus Sauropoda see below↓

Sauropoda
Sauropoda Amygdalodon Blikanasaurus Chinshakiangosaurus Gongxianosaurus Isanosaurus Leonerasaurus? Pulanesaura? Protognathosaurus Schleitheimia Tuebingosaurus? Lessemsauridae Antetonitrus Ingentia Ledumahadi Lessemsaurus Gravisauria Archaeodontosaurus? Kotasaurus Ohmdenosaurus Rhoetosaurus Sanpasaurus? Zizhongosaurus? Vulcanodontidae Tazoudasaurus Vulcanodon Eusauropoda Algoasaurus Asiatosaurus Bagualia Barapasaurus Bellusaurus Cetiosauriscus Dashanpusaurus Dystrophaeus Janenschia Jobaria Nebulasaurus Perijasaurus Shunosaurus Spinophorosaurus Tehuelchesaurus Volkheimeria Cetiosauridae Cetiosaurus Chebsaurus Ferganasaurus? Lapparentosaurus? Patagosaurus? Mamenchisauridae Analong Anhuilong Cetiosauriscus? Chuanjiesaurus Datousaurus? Eomamenchisaurus Huangshanlong Hudiesaurus Jingiella Klamelisaurus? Mamenchisaurus Omeisaurus Qijianglong Rhomaleopakhus Tienshanosaurus Tonganosaurus Wamweracaudia Xinjiangtitan Yuanmousaurus Zigongosaurus Turiasauria Amanzia Bellusaurus? Haestasaurus? Janenschia? Losillasaurus Mierasaurus Moabosaurus Narindasaurus Oplosaurus? Tehuelchesaurus? Tendaguria Turiasaurus Zby Neosauropoda Diplodocoidea (see below ↓ ) Macronaria (see below ↓ ) Dubious sauropods Bothriospondylus Cardiodon Dinodocus Gigantosaurus Neosodon Qinlingosaurus Ultrasaurus

Diplodocoidea
Diplodocoidea Haplocanthosaurus Diplodocimorpha Rebbachisauridae Agustinia Amazonsaurus Comahuesaurus Dzharatitanis? Histriasaurus Lavocatisaurus Maraapunisaurus? Sidersaura Xenoposeidon Zapalasaurus Khebbashia Limaysaurinae Cathartesaura Limaysaurus Nopcsaspondylus? Rayososaurus? Rebbachisaurinae Demandasaurus Itapeuasaurus Katepensaurus Nigersaurus Rebbachisaurus Tataouinea Flagellicaudata Dicraeosauridae Amargasaurus Amargatitanis Bajadasaurus Brachytrachelopan Dicraeosaurus Dyslocosaurus? Kaatedocus Lingwulong Pilmatueia Smitanosaurus Suuwassea Tharosaurus Diplodocidae Apatosaurinae Amphicoelias? Apatosaurus Atlantosaurus? Brontosaurus Diplodocinae Barosaurus Dinheirosaurus Diplodocus Galeamopus Kaatedocus? Leinkupal Supersaurus Tornieria

Macronaria
Macronaria Abrosaurus Aragosaurus Bashunosaurus? Daanosaurus Dashanpusaurus? Europasaurus Haestasaurus? Yuzhoulong Camarasauridae Camarasaurus Lourinhasaurus Titanosauriformes Astrodon Duriatitan Eucamerotus Fushanosaurus Fusuisaurus Ornithopsis Pelorosaurus Rugocaudia? Brachiosauridae Abydosaurus Atlasaurus Brachiosaurus Cedarosaurus Galvesaurus? Giraffatitan Lusotitan Sonorasaurus Soriatitan Venenosaurus Vouivria Somphospondyli Angolatitan Arkharavia Astrophocaudia Austrosaurus Brohisaurus Brontomerus Chubutisaurus Dongbeititan Europatitan Fukuititan Garumbatitan Jiangxititan? Jiutaisaurus Liaoningotitan Ligabuesaurus? Liubangosaurus Oceanotitan Padillasaurus Pukyongosaurus Ruixinia Sauroposeidon Sibirotitan Tastavinsaurus Triunfosaurus Euhelopodidae Australodocus? Chiayusaurus? Erketu Euhelopus Gannansaurus Gobititan Huabeisaurus Huanghetitan Jiangshanosaurus? Phuwiangosaurus Qiaowanlong Silutitan Tambatitanis Tangvayosaurus Yongjinglong Yunmenglong Diamantinasauria Australotitan Diamantinasaurus Sarmientosaurus Savannasaurus Wintonotitan? Titanosauria see below↓

Titanosauria
Titanosauria Abdarainurus Aegyptosaurus? Andesaurus Angolatitan? Arackar Argyrosaurus Atacamatitan Austroposeidon Baotianmansaurus Barrosasaurus Baurutitan? Bonatitan? Borealosaurus Brasilotitan Choconsaurus Daxiatitan Dongyangosaurus Dreadnoughtus? Elaltitan Epachthosaurus? Gandititan Hamititan Huabeisaurus Jiangshanosaurus? Kaijutitan Karongasaurus Laplatasaurus Ligabuesaurus? Magyarosaurus Malarguesaurus? Malawisaurus Mnyamawamtuka Narambuenatitan Ninjatitan Normanniasaurus Nullotitan Pellegrinisaurus? Petrobrasaurus Pitekunsaurus Rapetosaurus Rukwatitan Ruyangosaurus Tastavinsaurus? Tengrisaurus? Tiamat Traukutitan Trigonosaurus Sonidosaurus Uberabatitan Volgatitan Xianshanosaurus Diamantinasauria? Lirainosaurinae Ampelosaurus Atsinganosaurus Garrigatitan Lirainosaurus Lohuecotitan Mansourasaurus Paludititan Eutitanosauria Inawentu Menucocelsior Colossosauria Antarctosaurus Baalsaurus Bonitasaura Chucarosaurus Epachthosaurus? Jainosaurus Quetecsaurus Tengrisaurus? Vahiny Rinconsauria Adamantisaurus Maxakalisaurus? Muyelensaurus Overosaurus Panamericansaurus Rinconsaurus Aeolosaurini Aeolosaurus Arrudatitan Bravasaurus Caieiria Gondwanatitan Punatitan Shingopana Lognkosauria Argentinosaurus Drusilasaura Dzharatitanis? Futalognkosaurus Jiangxititan? Mendozasaurus Notocolossus Patagotitan Puertasaurus Saltasauroidea Bustingorrytitan Titanomachya Udelartitan Nemegtosauridae Nemegtosaurus Quaesitosaurus? Tapuiasaurus? Saltasauridae Igai Isisaurus? Qingxiusaurus Quaesitosaurus? Opisthocoelicaudiinae Alamosaurus Baurutitan? Dreadnoughtus? Opisthocoelicaudia Pellegrinisaurus? Zhuchengtitan? Saltasaurinae Abditosaurus Bonatitan? Ibirania Maxakalisaurus? Neuquensaurus Paralititan Rocasaurus Saltasaurus Yamanasaurus Dubious titanosaurs Bruhathkayosaurus? Campylodoniscus Clasmodosaurus Hypselosaurus Iuticosaurus Loricosaurus Macrurosaurus? Microcoelus Mongolosaurus? Titanosaurus

Topics in sauropodomorph research
Sauropod neck posture Sauropod hiatus List of sauropod species

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