Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Dicraeosaurinae

Osteichthyes

Taxonomy
Dicraeosaurinae was named by Janensch (1929). It is not extant.

It was reranked as the unranked clade Dicraeosaurinae by Mannion and Moore (2025).

It was assigned to Titanosauridae by Romer (1956); to Atlantosauridae by Steel (1970), Swinton (1970), Nowinski (1971); to Cetiosauridae by Kurzanov and Bannikov (1983); to Diplodocidae by McIntosh (1990), McIntosh (1990), Russell (1996), McIntosh (1997), Salgado (1999), Maryanska (2000); and to Dicraeosauridae by Mannion and Moore (2025).

Subtaxa
Amargasaurus, Bajadasaurus, Brachytrachelopan, Dicraeosaurus
Entered
by M. Carrano on 2004-05-10; modified by P. Mannion on 2025-11-10

Synonymy list
YearName and author
1929Dicraeosaurinae Janensch
1956Dicraeosaurinae Romer p. 624
1970Dicraeosaurinae Steel p. 81
1970Dicraeosaurinae Swinton p. 178
1971Dicraeosaurinae Nowinski p. 58
1983Dicraeosaurinae Kurzanov and Bannikov p. 91
1990Dicraeosaurinae McIntosh p. 56
1996Dicraeosaurinae Russell p. 387
1997Dicraeosaurinae McIntosh p. 657
1999Dicraeosaurinae Salgado p. 204
2000Dicraeosaurinae Maryanska p. 458
2025Dicraeosaurinae Mannion and Moore

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
RankNameAuthor
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Sauropodomorpha(Huene 1932)
—Massopoda
—Sauropodiformes
—Sauropoda()
—Gravisauria
—Eusauropoda
—Neosauropoda
—Diplodocoidea()
—Diplodocimorpha
—Flagellicaudata
—Dicraeosauridae()
—Dicraeosaurinae()
—Dicraeosaurinae()

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. †Dicraeosaurinae Janensch 1929
show all | hide all
G. †Amargasaurus Bonaparte 1984
hide
†Amargasaurus cazaui Salgado and Bonaparte 1991
hide
Invalid names: Amargasaurus groeberi Bonaparte 1984 [replaced]
G. †Bajadasaurus Gallina et al. 2019
hide
†Bajadasaurus pronuspinax Gallina et al. 2019
G. †Brachytrachelopan Rauhut et al. 2005
hide
†Brachytrachelopan mesai Rauhut et al. 2005
G. †Dicraeosaurus Janensch 1914
hide
†Dicraeosaurus hansemanni Janensch 1914
†Dicraeosaurus sattleri Janensch 1914
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteinfrao
Entire body: yesinfrao
Adult length: 10 to < 100infrao
Adult width: 10 to < 100infrao
Adult height: 10 to < 100infrao
Maximum body mass: 30000 kgg
Minimum body mass: 10000 kgg
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: 2004-12-14 12:49:10
Modified: 2004-12-14 14:49:10
Source: g = genus, infrao = infraorder
References: Kiessling 2004, Peczkis 1995, Marsh 1875

Age range: base of the Oxfordian to the top of the Barremian or 161.50000 to 121.40000 Ma

Collections (23 total)


Time interval Ma Country or state Original ID and collection number
Oxfordian161.5 - 154.8Tanzania (Lindi) Dicraeosaurus hansemanni (48387)
Kimmeridgian - Early/Lower Tithonian154.8 - 145.06Argentina (Chubut) Brachytrachelopan mesai (51287)
Late/Upper Kimmeridgian152.21 - 149.2Tanzania (Lindi) Dicraeosaurus hansemanni (47149 47151 47153)
Late/Upper Kimmeridgian - Tithonian152.21 - 143.1Tanzania (Lindi) Dicraeosaurus sattleri (48375) Dicraeosaurus sp. (48383)
Tithonian149.2 - 143.1Tanzania (Lindi) Dicraeosaurus hansemanni (48385) Dicraeosaurus sattleri (47138 47141 47182 47184 48342 48344 48349) Dicraeosaurus sp. (48374) Dicraeosaurus sp., Dicraeosaurus sattleri (47185) Sauropoda indet. (47183)
Tithonian149.2 - 143.1Zimbabwe (Mashonaland North) Dicraeosaurus sp. (49100)
Berriasian - Valanginian143.1 - 132.6South Africa (Eastern Cape) Dicraeosauridae indet. (174952)
Late/Upper Berriasian - Valanginian139.1 - 132.6Argentina (Neuquén) Dicraeosauridae indet. (156241)
Barremian125.77 - 121.4Argentina (Neuquén) Amargasaurus cazaui (213290) Amargasaurus groeberi (13333)