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Magyarosaurus dacus

Reptilia

Taxonomy
Titanosaurus dacus was named by Nopcsa (1915). Its type specimen is MBFSZ Ob.3091 (lectotype), a set of vertebrae, and it is a 3D body fossil. Its type locality is Site I, Pareu Vartopilor, Kiscsula, which is in a Maastrichtian lacustrine claystone/sandstone in the Densuş-Ciula Formation of Romania.

It was recombined as Magyarosaurus dacus by Huene (1932), Kuhn (1939), Huene (1941), Lapparent (1947), Weishampel et al. (1991), Le Loeuff (1993), Le Loeuff and Buffetaut (1995), Le Loeuff (1995), Casanovas-Cladellas et al. (1995), Le Loeuff (1997), Jianu and Weishampel (1998), Maxwell and Cifelli (2000), Wilson (2002), Vremir and Codrea (2002), Powell (2003), Grigorescu (2003), Upchurch et al. (2004), Grigorescu (2004), Grigorescu (2005), Bojar et al. (2005), Curry Rogers (2005), Royo-Torres et al. (2006), Dalla Vecchia (2006), Santucci and Bertini (2006), Csiki et al. (2007), Pereda Suberbiola and Galton (2007), Malkani (2007), Molnar and Wiffen (2007), Pereda Suberbiola and Galton (2007), Malkani (2008), Vila et al. (2008), Csiki et al. (2010), Vremir (2010), Grigorescu (2010), Malkani (2010), Tortosa et al. (2010), Díez Díaz and Pereda Suberbiola (2010), Garcia et al. (2010), Saegusa and Tomida (2011), Díez Díaz et al. (2011), Company (2011), Vila et al. (2012), Grellet-Tinner et al. (2012), Díez Díaz et al. (2012), Díez Díaz et al. (2012), Díez Díaz et al. (2013), Malkani (2015), Malkani (2015), García et al. (2015), Company et al. (2015) and Díez Díaz et al. (2021).

Synonyms
Synonymy list
YearName and author
1915Titanosaurus dacus Nopcsa p. 14 figs. Pl. 3:4-5
1917Titanosaurus dacus Kadić p. 618
1923Titanosaurus dacus Nopcsa p. 107
1927Titanosaurus dacus Huene p. 267
1929Titanosaurus dacus Huene p. 91
1932Magyarosaurus dacus Huene
1932Magyarosaurus hungaricus Huene
1932Magyarosaurus transsylvanicus Huene p. 266
1932Magyarosaurus hungaricus Huene p. 269
1932Titanosaurus dacus Stromer p. 6
1939Magyarosaurus dacus Kuhn p. 90
1939Magyarosaurus hungaricus Kuhn p. 91
1939Magyarosaurus transsylvanicus Kuhn p. 91
1941Magyarosaurus dacus Huene p. 90
1941Magyarosaurus hungaricus Huene p. 90
1941Magyarosaurus transsylvanicus Huene p. 90
1947Magyarosaurus dacus Lapparent p. 28
1947Magyarosaurus hungaricus Lapparent p. 28
1947Magyarosaurus transsylvanicus Lapparent p. 28
1953Titanosaurus dacus Mamulea p. 250
1960Titanosaurus dacus Jeletzky p. 34
1970Titanosaurus dacus Steel p. 77
1970Titanosaurus hungaricus Steel p. 77
1970Titanosaurus transsylvanicus Steel p. 77
1971Titanosaurus dacus Dinca et al. p. 89
1982Titanosaurus dacus Jurcsák p. 182
1984Titanosaurus dacus Grigorescu p. 111
1990Magyarosaurus hungaricus McIntosh p. 351
1990Magyarosaurus transsylvanicus McIntosh p. 351
1991Magyarosaurus dacus Weishampel et al. p. 210
1992Titanosaurus dacus Grigorescu p. 156
1993Magyarosaurus dacus Le Loeuff p. 110
1995Magyarosaurus dacus Casanovas-Cladellas et al. p. 279
1995Magyarosaurus dacus Le Loeuff p. 699
1995Magyarosaurus dacus Le Loeuff and Buffetaut p. 183
1997Magyarosaurus dacus Le Loeuff p. 454
1998Magyarosaurus dacus Jianu and Weishampel p. 36
2000Magyarosaurus dacus Maxwell and Cifelli p. 23
2002Magyarosaurus dacus Vremir and Codrea p. 98
2002Magyarosaurus dacus Wilson p. 249
2003Magyarosaurus dacus Grigorescu p. 100
2003Magyarosaurus dacus Powell p. 76
2003Magyarosaurus hungaricus Powell p. 76
2003Magyarosaurus transylvanicus Powell p. 76
2004Magyarosaurus dacus Grigorescu p. 109
2004Magyarosaurus dacus Upchurch et al. p. 269
2005Magyarosaurus dacus Bojar et al. p. 208
2005Magyarosaurus dacus Curry Rogers p. 66
2005Magyarosaurus dacus Grigorescu p. 204
2005Magyarosaurus transsylvanicus Grigorescu p. 204
2006Magyarosaurus dacus Dalla Vecchia p. 13
2006Magyarosaurus dacus Royo-Torres et al. figs. Table S2
2006Magyarosaurus dacus Santucci and Bertini p. 356
2007Magyarosaurus dacus Csiki et al. p. 17
2007Magyarosaurus dacus Malkani
2007Magyarosaurus hungaricus Malkani
2007Magyarosaurus transylvanicus Malkani
2007Magyarosaurus dacus Molnar and Wiffen p. 509
2007Magyarosaurus dacus Pereda Suberbiola and Galton p. 91
2008Magyarosaurus dacus Malkani p. 56
2008Magyarosaurus dacus Vila et al. p. 127
2010Magyarosaurus dacus Csiki et al. p. 298
2010Magyarosaurus dacus Díez Díaz and Pereda Suberbiola p. 30
2010Magyarosaurus dacus Garcia et al. p. 269
2010Magyarosaurus dacus Grigorescu p. 278
2010Magyarosaurus dacus Malkani p. 198
2010Magyarosaurus dacus Tortosa et al. p. 84
2010Magyarosaurus dacus Vremir p. 656
2011Magyarosaurus dacus Company p. 73
2011Magyarosaurus dacus Díez Díaz et al. p. 522
2011Magyarosaurus dacus Saegusa and Tomida p. 257
2012Magyarosaurus dacus Díez Díaz et al. p. 635
2012Magyarosaurus dacus Díez Díaz et al. p. 271
2012Magyarosaurus dacus Grellet-Tinner et al. p. 1
2012Magyarosaurus dacus Vila et al. p. 29
2013Magyarosaurus dacus Díez Díaz et al. p. 147
2015Magyarosaurus dacus Company et al. p. 72
2015Magyarosaurus dacus García et al. p. 44
2015Magyarosaurus dacus Malkani p. 7
2021Magyarosaurus dacus Díez Díaz et al. p. 3000

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
RankNameAuthor
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Sauropoda()
—Gravisauria
—Eusauropoda
—Neosauropoda
—Macronaria
—Titanosauriformes
—Titanosauria
—Lithostrotia
genusMagyarosaurus
speciesdacus()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Magyarosaurus dacus Nopcsa 1915
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Invalid names: Magyarosaurus hungaricus Huene 1932 [synonym], Magyarosaurus transsylvanicus Huene 1932 [synonym]
Diagnosis
No diagnoses are available
Body mass estimates
estimateequationreference
 981.5 kg Sauropoda femur circumferenceAnderson et al. 1985
 558.1 kg Sauropoda humerus circumferenceAnderson et al. 1985
mean: 740.1 kg
Measurements
partNmeanminimummaximummedians.d.
femur circumference4185.6176.0195.0186.09.64
fibula circumference2100.5100.0101.0100.50.707
humerus circumference9162.4115.0365.0150.076.5
tibia circumference5148.5105.0260.0134.064.7
ulna circumference2110.395.0128.0111.523.3

Composition: hydroxyapatiteinfrao
Entire body: yesg
Adult length: 10 to < 100infrao
Adult width: 10 to < 100infrao
Adult height: 10 to < 100infrao
Thickness: thickinfrao
Architecture: compact or denseinfrao
Form: sphericalinfrao
Ontogeny: accretion, modification of partsinfrao
Grouping: gregariousinfrao
Environment: terrestrialinfrao
Locomotion: actively mobileinfrao
Life habit: ground dwellinginfrao
Diet: herbivoreinfrao
Reproduction: oviparousinfrao
Dispersal: direct/internalinfrao
Dispersal 2: mobileinfrao
Created: 2005-08-25 06:15:10
Modified: 2005-08-25 08:15:10
Source: g = genus, infrao = infraorder
References: Marsh 1875, Peczkis 1995

Age range: Early/Lower Maastrichtian or 70.60000 to 66.00000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Maastrichtian70.6 - 66.0Romania (Hunedoara) Magyarosaurus dacus (67817) Titanosauridae indet. (67811) Titanosaurus dacus (type locality: 163328) Titanosaurus dacus, Magyarosaurus hungaricus, Magyarosaurus transsylvanicus (59410)
Early/Lower Maastrichtian70.6 - 66.0Romania (Alba) Magyarosaurus dacus (80858) Magyarosaurus hungaricus (93729)