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Diplodocidae (diplodocid)

Reptilia

Taxonomy
Diplodocidae was named by Marsh (1884).

It was synonymized subjectively with Amphicoeliidae by Kuhn (1966); it was synonymized subjectively with Atlantosauridae by Bonaparte (1978); it was reranked as the unranked clade Diplodocidae by Tschopp et al. (2015) and Mannion et al. (2019).

It was assigned to Sauropoda by Vetter (1884); to Opisthocoelia by Hay (1902); to Diplodocia by Tornier (1913); to Allophagi by Jaekel (1914); to Homalosauropodidae by Huene (1948) and Young (1958); to Saurischia by Madsen and Miller (1979); to Sauropoda by Bakker (1986); to Sauropoda by Jaekel (1911) and McIntosh (1997); to Neosauropoda by Wilson and Sereno (1994) and Salgado et al. (1997); to Diplodocimorpha by Calvo and Salgado (1995) and Salgado (1999); to Sauropoda by Marsh (1884), Marsh (1884), Marsh (1885), Marsh (1895), Marsh (1896), Marsh (1898), Huene (1908), Huene (1908), Huene (1909), von Zittel (1911), Huene (1914), Nopcsa (1923), Huene (1927), Huene (1927), Huene (1959), Galton (1977), Russell (1984), Bonaparte (1986), Carroll (1988), McIntosh (1990), Benton (1990) and Bonaparte (1999); to Sauropoda by Dollo (1884), Dollo (1889), Zittel (1890), Winkler (1893), Nopcsa (1901), Mansel-Pleydell (1902), Joubert (1908), Arldt (1909), Matthew (1915), Lull (1924), Nopcsa (1928), Hay (1930), Roxo (1937), Kuhn (1946), Lapparent (1947), Bonaparte (1980), McIntosh (1981) and Chure et al. (2006); to Diplodocoidea by Upchurch (1995), Upchurch (1995), Hunt et al. (1995), Wilson and Smith (1996), Sereno (1997), Upchurch (1997), Dong (1998), Sereno (1998), Wilson and Sereno (1998), Sereno (1999), Sereno et al. (1999), Wilson (2002), Upchurch et al. (2004), Apesteguía (2005), Remes (2006), Royo-Torres et al. (2007), Suteethorn et al. (2010) and Wilson and Allain (2015); and to Flagellicaudata by Gallina and Apesteguía (2005), Taylor and Naish (2005), Rauhut et al. (2005), Salgado et al. (2006), Remes (2007), Remes (2009), Whitlock (2011), Ibiricu et al. (2012), Tschopp and Mateus (2013), Gallina et al. (2014), Tschopp et al. (2015) and Mannion et al. (2019).

Synonymy list
YearName and author
1884Diplodocidae Dollo p. 298
1884Diplodocidae Marsh
1884Diplodocidae Vetter p. 357
1885Diplodocidae Marsh p. 764
1889Diplodocidae Dollo p. 677
1890Diplodocidae Zittel p. 714
1893Diplodocidae Winkler p. 101
1895Diplodocidae Marsh
1896Diplodocidae Marsh p. 241
1898Diplodocidae Marsh p. 158
1901Diplodocidae Nopcsa p. 203
1902Diplodocidae Hay p. 486
1902Diplodocidae Mansel-Pleydell p. lxxv
1908Diplodocidae Huene p. 297
1908Diplodocidae Joubert p. 270
1909Diplodocidae Arldt p. 262
1909Diplodocidae Huene p. 14
1911Diplodocidae Jaekel p. 159
1911Diplodocidae von Zittel p. 288
1913Diplodocidae Tornier p. 370
1914Diplodocidae Huene p. 38
1914Diplodocidae Jaekel p. 197
1915Diplodocidae Matthew p. 32
1923Diplodocidae Nopcsa p. 126
1924Diplodocidae Lull p. 236
1927Diplodocidae Huene p. 124
1928Diplodocidae Nopcsa p. 184
1930Diplodocidae Hay p. 197
1937Diplodocidae Roxo p. 65
1946Diplodocidae Kuhn p. 66
1947Diplodocidae Lapparent p. 17
1948Diplodocidae Huene p. 93
1958Diplodocidae Young p. 25
1959Diplodocidae Huene p. 122
1977Diplodocidae Galton p. 230
1979Diplodocidae Madsen and Miller p. 5
1980Diplodocidae Bonaparte p. 82
1981Diplodocidae McIntosh p. 17
1984Diplodocidae Russell p. 29
1986Diplodocidae Bakker p. 461
1986Diplodocidae Bonaparte p. 253
1988Diplodocidae Carroll
1990Diplodocidae Benton p. 19
1990Diplodocidae McIntosh p. 388
1994Diplodocidae Wilson and Sereno p. 52A
1995Diplodocidae Calvo and Salgado p. 14
1995Diplodocidae Hunt et al. pp. 263-264
1995Diplodocidae Upchurch p. 253
1996Diplodocidae Wilson and Smith p. 73A
1997Diplodocidae McIntosh p. 656
1997Diplodocidae Salgado et al. p. 25 fig. 19
1997Diplodocidae Sereno p. 453
1997Diplodocidae Upchurch p. 82A
1998Diplodocidae Dong p. 84
1998Diplodocidae Sereno p. 63
1998Diplodocidae Wilson and Sereno p. 17
1999Diplodocidae Bonaparte p. 141
1999Diplodocidae Salgado p. 204
1999Diplodocidae Sereno p. 2138 fig. 2
1999Diplodocidae Sereno et al. p. 1346 fig. 4
2002Diplodocidae Wilson p. 240 fig. 13
2004Diplodocidae Upchurch et al. p. 264
2005Diplodocidae Apesteguía p. 256
2005Diplodocidae Gallina and Apesteguía p. 159 fig. 5
2005Diplodocidae Rauhut et al. p. 672 fig. 2
2005Diplodocidae Taylor and Naish pp. 3-4
2006Diplodocidae Chure et al. p. 236
2006Diplodocidae Remes p. 664 fig. 9
2006Diplodocidae Salgado et al. p. 704 fig. 9
2007Diplodocidae Remes p. 654
2007Diplodocidae Royo-Torres et al. p. 184
2009Diplodocidae Remes p. 26
2010Diplodocidae Suteethorn et al.
2011Diplodocidae Whitlock
2012Diplodocidae Ibiricu et al. p. 220
2013Diplodocidae Tschopp and Mateus p. 877 fig. 11
2014Diplodocidae Gallina et al. p. 2 fig. 4
2015Diplodocidae Tschopp et al.
2015Diplodocidae Wilson and Allain p. 25 fig. 16
2019Diplodocidae Mannion et al.

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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
RankNameAuthor
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Sauropoda()
—Gravisauria
—Eusauropoda
—Neosauropoda
—Diplodocoidea()
—Diplodocimorpha
—Flagellicaudata
—Diplodocidae()
—Diplodocidae()

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.

Unr. †Diplodocidae Marsh 1884 [diplodocid]
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Subfm. †Apatosaurinae Janensch 1929
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G. †Apatosaurus Marsh 1877
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†Apatosaurus ajax Marsh 1877
†Apatosaurus louisae Holland 1915
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Invalid names: Apatosaurus laticollis Marsh 1879 [synonym]
Invalid names: Titanosaurus Marsh 1877 [synonym]
G. †Brontosaurus Marsh 1879
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†Brontosaurus excelsus Marsh 1879
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Invalid names: Brontosaurus amplus Marsh 1881 [synonym]
†Brontosaurus parvus Peterson and Gilmore 1902
†Brontosaurus yahnahpin Filla and Redman 1994
Invalid names: Brontosaurus giganteus Anonymous 1898 [nomen nudum], Elosaurus Peterson and Gilmore 1902 [synonym], Eobrontosaurus Bakker 1998 [synonym]
Invalid names: Atlantosaurus immanis Marsh 1878 [nomen dubium]
Unr. †Diplodocinae Janensch 1929 [diplodocine]
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G. †Ardetosaurus van der Linden et al. 2024
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†Ardetosaurus viator van der Linden et al. 2024
G. †Barosaurus Marsh 1890
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†Barosaurus lentus Marsh 1890
Invalid names: Barosaurus gracilis Russell et al. 1980 [nomen nudum], Gigantosaurus Fraas 1908 [synonym]
G. †Dinheirosaurus Bonaparte and Mateus 1999
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†Dinheirosaurus lourinhanensis Bonaparte and Mateus 1999
G. †Diplodocus Marsh 1878
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†Diplodocus carnegii Hatcher 1901
†Diplodocus hallorum Gillette 1991
†Diplodocus longus Marsh 1878
Invalid names: Seismosaurus Gillette 1991 [synonym]
G. †Galeamopus Tschopp et al. 2015
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†Galeamopus hayi Holland 1924
†Galeamopus pabsti Tschopp and Mateus 2017
G. †Leinkupal Gallina et al. 2014
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†Leinkupal laticauda Gallina et al. 2014
G. †Supersaurus Jensen 1985
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†Supersaurus vivianae Jensen 1985
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Invalid names: Dystylosaurus edwini Jensen 1985 [synonym], Ultrasauros macintoshi Jensen 1985 [synonym]
Invalid names: Dystylosaurus Jensen 1985 [synonym], Ultrasauros Olshevsky 1991 [synonym]
G. †Tornieria Sternfeld 1911
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†Tornieria africana Fraas 1908
Invalid names: Dicraeosaurinae Janensch 1929 [empty]
Diagnosis
ReferenceDiagnosis
K. A. v. Zittel 1890Zähne eylindrisch, schlank, auf den vorderen Theil der Kiefer beschränkt. Schwanzicirhel lang, amphieöl, unten tief ausgehöhlt; Haemapophysen mit einem nach vorn und einem nach hinten gerichteten Ast. Sitzbein gerade, die distalen Enden nicht verbreitert, in der Symphyse zusammenstossend.
B. F. Nopcsa 1901Fogaik cylindrikusak, karcsuk, csak az állkapocs elsö részére szorítkoznak. Az orrlyukak kicsinyek, messze hátul fekszenek; praeorbitalis nyilás. Farkcsigolyák hosszúak, amphicölek, üregesek; haemapophyszák _L alakúak (Zittel szerint).

[Their teeth are cylindrical, slender, confined to the front of the jaw. The nostrils are small, lying far back; preorbital opening. Tail vertebrae long, amphicoelous, hollow; haemapophyses are _L-shaped (according to Zittel).]
B. F. Nopcsa 1928teeth reduced; anterior limbs short; anterior dorsal spines bified
F. v. Huene 1948Nasal openings between the highly situated orbits; 15 cervicals, 10 dorsals; bifid neural spines; double-spined haemapophyses; lower arm elongated; metacarpus arranged in a cylinder. Upper Jurassic to Lower Cretaceous.