Location: Cloverly Formation, Southern Montana (Private Land Origen)

Weight: 3 Pound 11.8 Ounces

Dimensions: 8 Inches Wide, 5 Inches Wide, 2.4 Inches Thick

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Name: Sauroposeidon (Poseidon lizard).

Species: S. proteles (type).

Diet: Herbivore.

Size: Uncertain due to incomplete remains but in comparison to similar dinosaurs have yielded estimates of between 28 and 34 meters long, with a head capable of being raised up to 17 meters off the ground.

Known locations: USA, Oklahoma - Antlers Formation.

Time period: Late Cretaceous

The first remains of Sauroposeidon were discovered in 1994 by a team led by Dr. Richard Cifelli, however, at the time they were misidentified as petrified tree trunks. It was not until 1999 when Cifelli removed them from storage and passed them onto Matt Wedel for a study that their real identity of being sauropod vertebrae was discovered. What really made the discovery exciting was the sheer size of the vertebrae that were some of the largest ever seen. The remains were officially named Sauroposeidon in 2000, but Sauroposeidon still made headlines towards the end of 1999 when the discovery was announced in a press release.

This sparked a short-lived media sensation about the discovery of the biggest dinosaur, but as is often the case concerning stories about paleontology, the headline got in the way of the facts. The vertebrae came from a very big dinosaur but the only clue we have to the size of Sauroposeidon in comparison to related dinosaurs with a similar body form. For this purpose paleontologists used Giraffatitan due to it having some of the most complete remains, although a complete skeleton from a single individual is still unknown. Comparison to Giraffatitan has allowed for reconstructions of Sauroposeidon where it was capable of lifting its head to around seventeen meters off the ground, something which if accurate would place Sauroposeidon as the tallest dinosaur.

The name Sauroposeidon is a reference to the Greek god Poseidon, who while usually depicted as a deity of the sea, also held domain over earthquakes. With Sauroposeidon being such a large and heavy dinosaur weighing many tons, it was thought to shake the ground like there was an earthquake when