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Dinosaurs from North Africa

The Sahara covers one of the richest dinosaur graveyards on the planet, with formations recording two critical moments of the African Cretaceous. Morocco's Kem Kem Beds in the southeast (Cenomanian, ~95 Ma) preserved a fluvial wetland ecosystem dominated by giants: Spinosaurus aegyptiacus, the largest known carnivorous theropod (~15 m, semi-aquatic), Carcharodontosaurus saharicus, Deltadromeus agilis, and the giant crocodylomorph Sarcosuchus imperator. The Bahariya Formation in Egypt (Cenomanian) is where Spinosaurus was originally described by Stromer in 1915 (specimens destroyed in World War II). Niger's Elrhaz Formation (Aptian-Albian) produced Suchomimus tenerensis, Nigersaurus taqueti (the sauropod with 500 teeth), and the wetland ecosystems that preceded the Late Cretaceous aridification. The region offers a unique window into apex predators of the Southern Hemisphere before the complete breakup of Gondwana and the extinction of the carcharodontosaurid lineages.

8 species in the catalog

8 Cretaceous

Filter by: 8 species

NE · 133–112 Ma

SuperCroc

Sarcosuchus imperator

"Emperor flesh crocodile"

Sarcosuchus imperator was a giant crocodyliform of the family Pholidosauridae that inhabited rivers and humid plains of subcontinental Africa during the Aptian-Albian, around 133 to 112 million years ago. The nearly complete specimen collected in 1964 at Gadoufaoua, in present-day Niger, and formally described by de Broin and Taquet in 1966 provided the first skull of more than one and a half meters of the genus. Sereno and colleagues, in 2001, estimated that adults reached 11 to 12 meters in length and 8 tonnes based on cranial allometry, figures later revised downward by O'Brien and colleagues in 2019, who proposed about 9.5 meters and 4,300 kilos from a phylogenetically informed regression of head width. The name combines the Greek words for flesh, crocodile and emperor, reflecting the exceptional size. It had a wide, robust snout, conical non-interlocking teeth, thick dorsal osteoderms and a hollow bone structure at the tip of the snout called a bulla, present in all adult specimens and still of no clearly established function.

Cretaceous Carnivore 9.5m

NE · 125–112 Ma

Ouranosaurus

Ouranosaurus nigeriensis

"Brave lizard from Niger"

Ouranosaurus nigeriensis is one of the most distinctive ornithopods of the Early Cretaceous, famous for its dorsal crest formed by extraordinarily elongated neural spines. It lived approximately 125 to 112 million years ago in the region that now corresponds to Niger, on a warm and humid fluvial floodplain. About 8 meters long and over 2 tonnes, it was a robust herbivore equipped with battery teeth and a uniquely low and elongated skull among iguanodontids. Described by French paleontologist Philippe Taquet in 1976 based on two nearly complete skeletons, it is considered a close relative of hadrosaurs.

Cretaceous Herbivore 8m

NE · 125–112 Ma

Suchomimus

Suchomimus tenerensis

"Crocodile mimic from Ténéré"

Suchomimus tenerensis was a giant spinosaurid of the Early Cretaceous, reaching around 10 to 11 meters in length and up to 3.5 metric tons. Its elongated, narrow snout resembling a crocodile's, and its row of conical teeth adapted for gripping slippery fish, made it a specialized piscivore. The large curved thumb claws, up to 19 centimeters long, were its primary weapons for hooking aquatic prey. It lived on tropical floodplains in what is now Niger, coexisting with the giant crocodyliform Sarcosuchus and sauropods such as Nigersaurus. It was described in 1998 by Paul Sereno and colleagues from fossils found in the Ténéré Desert.

Cretaceous Piscivore 10.5m

NE · 115–105 Ma

Nigersaurus

Nigersaurus taqueti

"Taquet's Niger lizard"

Nigersaurus taqueti was a rebbachisaurid sauropod from the Middle Cretaceous, discovered in the Elrhaz Formation of Niger in the Sahara. At about 9 meters long and 4 tonnes, it was small by sauropod standards. Its most striking feature was a wide, flat mouth directed straight downward, packed with over 500 replaceable teeth arranged in dental batteries. This extraordinary anatomy allowed it to graze low vegetation with maximum efficiency, like a Cretaceous lawnmower. Formally described by Paul Sereno in 1999, Nigersaurus became one of the most anatomically peculiar dinosaurs ever discovered.

Cretaceous Herbivore 9m

MA · 99–94 Ma

Carcharodontosaurus

Carcharodontosaurus saharicus

"Shark-toothed lizard of the Sahara"

Carcharodontosaurus saharicus was one of the largest terrestrial predators that ever lived. It inhabited northern Africa approximately 99 to 94 million years ago during the Cenomanian stage of the Cretaceous, sharing its ecosystem with Spinosaurus. Its name means 'shark-toothed lizard of the Sahara,' a reference to the sharp serrations on its teeth, which measured up to 6.5 centimeters. At roughly 12.5 meters long with a 1.6-meter skull, it rivaled T. rex in size but had different biomechanics, specializing in slicing flesh from large sauropods rather than crushing bone. The neotype skull SGM-Din 1 was discovered by Paul Sereno in 1995 in the Kem Kem Beds of Morocco.

Cretaceous Carnivore 12.5m

NE · 99–93 Ma

Rugops

Rugops primus

"First wrinkle face"

Rugops primus is a basal abelisaurid from the Late Cretaceous, discovered in the Echkar Formation of Niger, at the heart of the Sahara Desert. It lived approximately 95 million years ago, during a period when Gondwana was still fragmenting. Its partial skull, roughly 31 centimeters long, features a surface covered with vascular foramina and depressions on the nasal bones — unique structures that likely supported crests, cornified scales, or dermal ornaments in life. Its relatively small teeth led some researchers to propose scavenging behavior, though this hypothesis remains debated. As one of the first well-documented African abelisaurids, Rugops provided key evidence for faunal connections between Gondwanan landmasses during the mid-Cretaceous.

Cretaceous Carnivore 6m

EG · 99–93 Ma

Spinosaurus

Spinosaurus aegyptiacus

"Egyptian spine lizard"

Spinosaurus aegyptiacus was the largest theropod ever recorded, surpassing Tyrannosaurus rex in length. At up to 15 meters and an estimated mass between 6,000 and 7,400 kg, it dominated the river systems of northern Africa during the Cenomanian (99 to 93 million years ago). Its most striking feature was the dorsal sail supported by neural spines up to 1.65 meters tall, whose function is still debated: thermoregulation, sexual display, or fat storage. The snout was elongated and narrow, with conical teeth adapted for catching fish, resembling the morphology of modern crocodilians. Pressure receptors in the snout, similar to those in crocodiles, allowed it to detect prey underwater. In 2020, Ibrahim and colleagues described a paddle-like tail with tall neural spines and expanded chevrons, confirming adaptations for propulsive swimming. Spinosaurus is the only non-avian dinosaur with robust evidence of aquatic habits. The original fossils, collected by Markgraf in Egypt in 1912, were destroyed in the Allied bombing of the Munich Museum in 1944, making rediscoveries in Morocco essential for reconstructing the animal.

Cretaceous Piscivore 15m

EG · 95–94 Ma

Paralititan

Paralititan stromeri

"Stromer's tidal titan"

Paralititan stromeri is a giant titanosaur from the Cenomanian (about 95 to 94 million years ago) of the Bahariya Formation in the Bahariya Oasis of Egypt's Western Desert. It was described in 2001 by Joshua B. Smith, Matthew C. Lamanna, Kenneth J. Lacovara, Peter Dodson and colleagues in Science, based on holotype CGM 81119, a fragmentary but significant skeleton including two humeri (the right complete, at 1.69 metres long among the largest ever recovered in a Cretaceous sauropod at the time of description), two sacral vertebrae likely the fifth and sixth, an anterior caudal vertebra, dorsal and sacral ribs, incomplete scapulae and the distal end of a metacarpal. With only around 5 per cent of the skeleton preserved, Paralititan's dimensions are estimated by comparison with more complete relatives. Carpenter (2006) calculated about 26 metres in length using Saltasaurus as guide, while mass estimates vary widely depending on method, between 20 tonnes (Paul 2010), roughly 30 tonnes (Wikipedia, April 2026 revision), 50 tonnes (Gonzalez Riga et al. 2016, via humerus and femur circumference), 30 to 55 tonnes (Paul 2019) and 59 tonnes (2011 estimate). All these values are approximate and reflect the uncertainty intrinsic to fragmentary preservation. The animal lived in a coastal mangrove ecosystem, the first dinosaur scientifically demonstrated to inhabit this type of environment. The deposit preserving the holotype is a tidal flat dominated by the seed fern Weichselia reticulata, and a Carcharodontosaurus tooth associated with the skeleton suggests immediate scavenging of the carcass by a giant predator. Villa et al. (2022), in the description of Abditosaurus kuehnei, recovered Paralititan in an Afro-European clade within Saltasaurinae with Abditosaurus, sister to the South American Saltasaurini clade including Neuquensaurus and Saltasaurus; earlier analyses, such as Curry Rogers (2005) and Mannion and Upchurch (2011), had interpreted the genus as a more basal titanosaur. The Bahariya Oasis is the same site where Austro-Hungarian collector Richard Markgraf gathered fossils between 1912 and 1914, later described by Ernst Stromer in Munich; the rediscovery of the site by Joshua Smith's team in 2000 marked the return of palaeontology to North Africa after nearly 70 years of silence.

Cretaceous Herbivore 26m