Phosphatotitan khouribgaensis resided in what is now Morocco throughout the’late, however not newest,’Maastrichtian age of the Cretaceous duration, around 70 million years earlier.

“The newest Cretaceous saw the last diversity of dinosaurs before the end-Cretaceous termination,” Dr. Longrich and his coworkers composed in their paper.

“Discussions of end-Cretaceous dinosaur variety have actually concentrated on well-sampled animals from Laurasia.”

“Far less is understood about dinosaurian animals of the southern hemisphere, specifically Africa.”

The fossilized remains of Phosphatotitan khouribgaensis were recuperated from phosphate deposits at Sidi Chennane, in the Oulad Abdoun Basin of Morocco’s Khouribga area.

The product consists of dorsal and tail vertebrae, in addition to parts of the sacrum and hips.

“The phosphates of the Oulad Abdoun Basin of the Khouribga province include phosphatic sandstones, marls and limestones,” the paleontologists composed.

“These were transferred in a warm, shallow epicontinental sea throughout the Late Cretaceous and Early Paleogene as part of a belt of phosphates that formed along the margins of the Atlantic and the Tethys Ocean.”

In spite of being discovered in North Africa, Phosphatotitan khouribgaensis appears carefully associated to Lognkosauria, a group of titanosaurs formerly understood just from South America, consisting of a few of the biggest land animals ever to exist.

This connection recommends that these dinosaurs were as soon as prevalent throughout the ancient supercontinent Gondwana before Africa and South America divided apart more than 100 million years earlier.

It raises the possibility that dinosaurs later on crossed narrow ocean barriers in between the continents.

“The brand-new types varies from titanosaurs explained from the Cretaceous of Africa and Europe however looks like South American Lognkosauria, and particularly Patagotitanin having brief dorsal and caudal centra, broadened dorsal and caudal neural spinal columns, and a broad pubis,” the scientists composed.

Unlike its gigantic South American family members, Phosphatotitan khouribgaensis was fairly modest in size.

The researchers approximate the types weighed approximately 3.5 to 4 lots– far smaller sized than giants like PatagotitanThis lowered size might show ecological pressures or geographical seclusion.

They recommend that parts of North Africa might have worked like islands throughout the Late Cretaceous, a setting that typically prefers smaller-bodied types.

Phosphatotitan khouribgaensistogether with formerly reported hadrosaurids, recommends that Morocco supported a distinct, endemic animals in the current Cretaceous, unique from those discovered in other places in Africa,” the authors composed.

“High water level in the Late Cretaceous might have developed separated landmasses, with unique animals emerging that show a mix of vicariance, endemism, and local termination.”

“The high degree of endemism in newest Cretaceous dinosaurs indicates that our understanding of dinosaur variety is most likely to be extremely insufficient and makes complex efforts to comprehend worldwide patterns in dinosaur variety prior to the end-Cretaceous termination.”

The discovery of Phosphatotitan khouribgaensis is reported in a paper released in the journal Variety

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Nicholas R. Longrich et al2026. A Titanosaurian Sauropod with South American Affinities (Lognkosauria: Argentinosauridae) from the Late Maastrichtian of Morocco and Evidence for Dinosaur Endemism in Africa. Variety 18 (5 ): 241; doi: 10.3390/ d18050241