Argentinosaurus compared to a human (by Aldo Chiappe)Mid-Cretaceous Argentina
Grouping: Macronaria/Titanosauria/basal titanosaur (?Argentinosauridae?)
Head and skull of Rapetosaurus (by Mark Hallett)Late Cretaceous Madagascar
Grouping: Macronaria/Titanosauria/Lithostrotia/Saltasauridae/Nemegtosaurinae
Rinconsaurus (by Stephen O'Connor)Late Cretaceous Argentina
Grouping: Macronaria/Titanosauria/Lithostrotia/Lithostrotia incertae sedis

Jobaria (by Stephen O'Connor)
Early Cretaceous north Africa (Sahara)
Grouping: Macronaria/late-surviving basal macronarian (perhaps a Camarasaurid)
Mamenchisaurus youngi (by Stephen O'Connor)
Middle Jurassic China
Grouping: Eusauropoda (or perhaps Neosauropoda)/Euhelopodidae (or Mamenchisauridae)
Early Cretaceous north Africa (Sahara)
Grouping: Macronaria/late-surviving basal macronarian (perhaps a Camarasaurid)
Mamenchisaurus youngi (by Stephen O'Connor)Middle Jurassic China
Grouping: Eusauropoda (or perhaps Neosauropoda)/Euhelopodidae (or Mamenchisauridae)
Sauropoda (and some prosauropoda) by Brian Franczak.See if you can find Dicraeosaurus, Diplodocus, Haplocanthosaurus, Camarasaurus, Isisaurus, Omeisaurus, Brachiosaurus, and Saltasaurus.

Nenquensaurus (by Andrey Atuchin)
Late Cretaceous Argentina
Grouping: Macronaria/Titanosauria/Lithostrotia/Saltasauridae
Late Cretaceous Argentina
Grouping: Macronaria/Titanosauria/Lithostrotia/Saltasauridae
Janenschia (by Andrey Atuchin)Late Jurassic Tanzania
Grouping: Macronaria/Titanosauria/basal titanosaur (or possibly Andesauridae)
Isisaurus (by Andrey Atuchin)
Early Cretaceous India
Grouping: Macronaria/Titanosauria/basal titanosaur
Diplodocus and hatchlings (by Mick Ellison)
Brachiosaurus altithorax (by Mark Hallett)
Late Jurassic Colorado & Wyoming, USA
Grouping: Macronaria/Brachiosauridae/Giraffatitanae
Futalognkosaurus dukei (by Julius T. Csotonyi)
Mid-Cretaceous Argentina
Grouping: Macronaria/Titanosauria/Lognkosauridae
Early Cretaceous India
Grouping: Macronaria/Titanosauria/basal titanosaur
Diplodocus and hatchlings (by Mick Ellison)
Brachiosaurus altithorax (by Mark Hallett)Late Jurassic Colorado & Wyoming, USA
Grouping: Macronaria/Brachiosauridae/Giraffatitanae
Futalognkosaurus dukei (by Julius T. Csotonyi)Mid-Cretaceous Argentina
Grouping: Macronaria/Titanosauria/Lognkosauridae
Shunosaurus, Gasosaurus, and Huayangosaurus(by Greg Paul - this is MOST of the full version)
Middle Jurassic China
Shunosaurus' grouping: Derived cetiosaurid/Transitional form
Apatosaurus herd (by Greg Paul) - an old-school yet still very accurate paintingLate Jurassic Colorado & Wyoming, USA
Grouping: Diplodocoidea/Flagellicaudata/Diplodocidae/Apatosaurinae

Diplodocus herd fending off a river ambush by Allosaurus (by Greg Paul)
Late Jurassic Colorado & Wyoming, USA
Grouping: Diplodocoidea/Flagellicaudata/Diplodocidae/Diplodocinae
Late Jurassic Colorado & Wyoming, USA
Grouping: Diplodocoidea/Flagellicaudata/Diplodocidae/Diplodocinae

The Abelisaur Aucasaurus raids a titanosaur nest (by John Sibbick)
Mid-Cretaceous Argentina
Grouping: unknown - the sauropods here are just generic Patagonian titanosaurs.
Mid-Cretaceous Argentina
Grouping: unknown - the sauropods here are just generic Patagonian titanosaurs.

Chuanjiesaurus fends off Yangchuanosaurus (by Raul Martin)
Middle to Late Jurassic China
Conservative grouping: Eusauropoda/Mamenchisauridae
Radical grouping: Macronaria/Euhelopodidae/Mamenchisauridae (or perhaps somphospondyli?)
Middle to Late Jurassic China
Conservative grouping: Eusauropoda/Mamenchisauridae
Radical grouping: Macronaria/Euhelopodidae/Mamenchisauridae (or perhaps somphospondyli?)
Pleurocoelus getting bitten by Acrocanthosaurus (by Greg Paul)Early Cretaceous Texas, USA
Grouping: Macronaria/Brachiosauridae/Pleurocoelinae
Tendaguru Scene: Brachiosaurus (Giraffatitan) brancai and Dicraeosaurus hansemanni (by Greg Paul)Late Jurassic Tanzania
Brachiosaurus grouping: Macronaria/Brachiosauridae/Giraffatitanae
Dicraeosaurus grouping: Diplodocoidea/Flagellicaudata/Dicraeosauridae

Diplodocus herd (by Raul Martin)






















































