Diplodocidae included the longest land animals ever

When and where

Diplodocidae lived from about 161 to 145 million years ago during the Late Jurassic. Their fossils are concentrated in North America, where the Morrison Formation has produced skeletons of Diplodocus, Apatosaurus, and Brontosaurus. Remains also turn up in Europe and Africa, confirming the family crossed continents.

How we know

The group was named by Othniel Charles Marsh in 1884. Since the so-called Bone Wars between Marsh and Edward Drinker Cope, dozens of diplodocid specimens have been quarried from the American West. Morrison Formation sites such as Dinosaur National Monument and Como Bluff have yielded near-complete skeletons, giving palaeontologists one of the best datasets of any dinosaur family.

Source: https://en.wikipedia.org/wiki/Diplodocidae

What set it apart

Diplodocids were sauropods with extraordinarily long necks and whip-like tails. Supersaurus may have reached 42 metres in length and weighed roughly 40 tonnes, making it one of the longest land animals known. Members of the family shared peg-like teeth suited for stripping foliage, a slender build compared to brachiosaurids, and front limbs slightly shorter than the hind limbs. Their vertebrae contained hollow spaces that reduced weight without sacrificing strength. These adaptations let diplodocids function as high browsers and ground-level grazers across semi-arid Jurassic floodplains.

For collectors and classrooms

A detailed Diplodocus model brings the family to life. Hand-painted figures with the characteristic long neck and tapering tail are widely available and sturdy enough for everyday use. Place one on a shelf or let young palaeontologists stage a Late Jurassic scene.

Pick up a hand-painted Diplodocus dinosaur model for your collection here.