Sauropods were the quintessential long-necked, quadrupedal herbivores that dominated Jurassic and Cretaceous ecosystems. Scientifically classified within the suborder Sauropodomorpha (and the advanced clade Sauropoda), these saurischians developed columnar graviportal limbs, extensive skeletal pneumaticity to reduce bone weight, and specialized cardiac systems capable of sustaining monumental blood pressure gradients up to 80 metric tons in titanosaur species like Argentinosaurus.
While this directory catalogues the formal academic suborder Sauropodomorpha, most readers and enthusiasts search for these giants as Long-Necked Dinosaurs. For deep-dive analyses on cervical biomechanics, the 15-meter neck record of Mamenchisaurus, feeding envelopes, and the neck posture debate, visit our dedicated topic hub:
SauropodomorphaAmargasaurus cazaui Salgado & Bonaparte, 1991
A striking, double-sailed dicraeosaurid sauropod from Argentina sporting parallel rows of tall neck spines.
SauropodomorphaApatosaurus ajax Marsh, 1877
A colossal, heavily built diplodocid sauropod characterized by thick cervical vertebrae and a whip-like tail.
Featured SpecimenSauropodomorphaArgentinosaurus huinculensis Bonaparte & Coria, 1993
Among the largest and most massive terrestrial animals known to science, with scaled estimates reaching 65 to 80 metric tons based on fragmentary titanosaur remains.
SauropodomorphaBarosaurus lentus Marsh, 1890
A massive diplodocid with an extraordinarily long neck and shorter tail than Diplodocus.
Featured SpecimenSauropodomorphaBrachiosaurus altithorax Riggs, 1903
A monumental sauropod with forelimbs longer than hindlimbs, adapted for high-canopy browsing in Late Jurassic North America.
SauropodomorphaBrontosaurus excelsus Marsh, 1879
The iconic 'thunder lizard', resurrected as a valid and distinct genus of diplodocid sauropod in 2015.
SauropodomorphaCamarasaurus supremus Cope, 1877
The most abundant sauropod of Late Jurassic North America, noted for its boxy skull and chisel-like teeth.
SauropodomorphaCetiosaurus oxoniensis Phillips, 1871
The 'whale lizard', the first sauropod dinosaur discovered and named in scientific history.
SauropodomorphaDicraeosaurus hansemanni Janensch, 1914
A specialized short-necked diplodocoid from Late Jurassic Tanzania bearing tall, bifurcated dorsal spines.
SauropodomorphaDiplodocus carnegii Hatcher, 1901
A slender, extremely elongated sauropod of Late Jurassic North America equipped with an 80-vertebra whip-like tail.
SauropodomorphaDreadnoughtus schrani Lacovara et al., 2014
The 'fearing nothing' super-titanosaur from Argentina, with the most complete skeleton of any giant titanosaur.
SauropodomorphaEoraptor lunensis Sereno et al., 1993
A diminutive Late Triassic dinosaur from Argentina whose phylogenetic position between basal Theropoda and stem-Sauropodomorpha has been extensively debated.
SauropodomorphaGiraffatitan brancai Janensch, 1914
A towering, high-browsing brachiosaurid sauropod from the Late Jurassic Tendaguru beds of Tanzania.
SauropodomorphaMamenchisaurus constructus Young, 1954
A magnificent Asian sauropod famous for having one of the longest necks of any animal in natural history.
SauropodomorphaMelanorosaurus readi Haughton, 1924
A massive, quadrupedal basal sauropodomorph from the Late Triassic of South Africa.
SauropodomorphaNigersaurus taqueti Sereno et al., 1999
The 'Mesozoic lawnmower', a specialized sauropod with a wide, straight-edged mouth and 500 replaceable teeth.
SauropodomorphaPatagotitan mayorum Carballido et al., 2017
One of the most colossal land animals ever discovered, reaching 37 meters in length and weighing over 55 metric tons.
SauropodomorphaPlateosaurus trossingensis Fraas, 1913
The classic European 'prosauropod', a dominant Late Triassic long-necked herbivore that lived in massive herds.
SauropodomorphaRiojasaurus incertus Bonaparte, 1969
A heavy, quadrupedal Late Triassic sauropodomorph from Argentina with dense limb bones.
SauropodomorphaShunosaurus lii Dong et al., 1983
A Middle Jurassic sauropod from China equipped with a defensive bony club and spikes on the tip of its tail.
SauropodomorphaThecodontosaurus antiquus Morris, 1843
One of the earliest dinosaurs ever named, an agile small herbivore from the Late Triassic fissure fills of southwestern Britain.
SauropodomorphaVulcanodon karibaensis Raath, 1972
An archaic Early Jurassic basal sauropod discovered beneath volcanic lava beds in Zimbabwe.