Deltadromeus may actually be a junior synonym of the ceratosaur Bahariasaurus, but since there are no known skulls for either animal, this synonymy can neither be confirmed or disproved at this point. In addition, the placement of Deltadromeus has alternately been as a noasaurid ceratosaur, a neovenatorid allosauroid, or a megaraptoran tyrannosauroid, all conclusions being recent and none being definitive.
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| - Deltadromeus may actually be a junior synonym of the ceratosaur Bahariasaurus, but since there are no known skulls for either animal, this synonymy can neither be confirmed or disproved at this point. In addition, the placement of Deltadromeus has alternately been as a noasaurid ceratosaur, a neovenatorid allosauroid, or a megaraptoran tyrannosauroid, all conclusions being recent and none being definitive.
- It had a lightweight and slender build unusual for a predator of its size and could probably race across the landscape at higher speeds than other large hunters. It was very closely related to its contemporary Bahariasaurus and they may in fact be the same genus if Deltadromeus is a subadult form of Bahariasaurus. Stretching up to 7.9 meters (26 feet) in length and weighing 1.5 tons, Deltadromeus was quite big and strong and use wit, power and speed to subdue its prey.
- The fairly complete holotype skeleton of Deltadromeus agilis (museum catalogue number SGM-Din2) measured an estimated 8 m (26.24 ft) long.[2] A second specimen (IPHG 1912 VIII) was originally described by Ernst Stromer as a specimen of Bahariasaurus,[3] but was designated as a specimen of Deltadromeus by Paul Sereno in 1996.[4] This second specimen comes from a much larger individual, with a femur (upper leg bone) length of 1.22 meters, compared to 0.74 meter femur of the holotype.[4] Deltadromeus is thought to have weighted up to 2 metric tons.
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| - The fairly complete holotype skeleton of Deltadromeus agilis (museum catalogue number SGM-Din2) measured an estimated 8 m (26.24 ft) long.[2] A second specimen (IPHG 1912 VIII) was originally described by Ernst Stromer as a specimen of Bahariasaurus,[3] but was designated as a specimen of Deltadromeus by Paul Sereno in 1996.[4] This second specimen comes from a much larger individual, with a femur (upper leg bone) length of 1.22 meters, compared to 0.74 meter femur of the holotype.[4] Deltadromeus skeletons have been found in the same formations as those of the giant theropods Carcharodontosaurus, Spinosaurus, and Bahariasaurus, which may be synonymous with Deltadromeus. No skull material has been found for either Deltadromeus or Bahariasaurus, and though carnivore teeth labelled as "Deltadromeus" are commonly sold in rock shops, there is no way of knowing if they actually come from this animal.[1] Deltadromeus is thought to have weighted up to 2 metric tons.
- It had a lightweight and slender build unusual for a predator of its size and could probably race across the landscape at higher speeds than other large hunters. It was very closely related to its contemporary Bahariasaurus and they may in fact be the same genus if Deltadromeus is a subadult form of Bahariasaurus. Stretching up to 7.9 meters (26 feet) in length and weighing 1.5 tons, Deltadromeus was quite big and strong and use wit, power and speed to subdue its prey. Since its body design is that of a runner, it was most likely warm-blooded. It was likely covered in scales or bumps rather than feathers because it was a member of a more basal theropod family, closely related to Allosaurus and Ceratosaurus and it would not need them as an adult since its own size would likely have given it gigantothermy. Its gracile and relatively fragile frame is not suited for fighting and it probably lashed out at the prey with its vicious claws and teeth, slashing the hide and flesh like an axe until the prey died from exhaustion, blood loss, shock or a combination of the factors above.
- Deltadromeus may actually be a junior synonym of the ceratosaur Bahariasaurus, but since there are no known skulls for either animal, this synonymy can neither be confirmed or disproved at this point. In addition, the placement of Deltadromeus has alternately been as a noasaurid ceratosaur, a neovenatorid allosauroid, or a megaraptoran tyrannosauroid, all conclusions being recent and none being definitive.
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