Sigmalassasaurus: Sigilmassasaurus is a controversial genus of spinosaurid dinosaur that lived approximately 100 to 94 million years ago during the Late Cretaceous Period in what is now northern Africa. Named in 1996 by Canadian paleontologist Dale Russell, it contains a single species, Sigilmassasaurus brevicollis

Oxalia: Oxalaia is a controversial genus of spinosaurid dinosaur that lived in what is now the Northeast Region of Brazil during the Cenomanian stage of the Late Cretaceous period, sometime between 100.5 and 93.9 million years ago.

Protathlithas: Protathlitis is a genus of spinosaurid dinosaur from the Early Cretaceous Arcillas de Morella Formation of Castellón, Spain. The type and only species is Protathlitis cinctorrensis, known from a partial skeleton. It was a basal member of the Baryonychinae

Suchomimus: Suchomimus, from Ancient Greek σούχος, meaning "crocodile", and 'mimus', meaning "actor" in Latin, is a genus of spinosaurid dinosaur that lived between 125 and 112 million years ago in what is now Niger, North Africa, during the Aptian to early Albian stages of the Early Cretaceous Period.

Cristautusaurus: Cristatusaurus is a genus of theropod dinosaur that lived during the Early Cretaceous Period of what is now Niger, 112 million years ago. It was a baryonychine member of the Spinosauridae, a group of large bipedal carnivores with well-built forelimbs and elongated, crocodile-like skulls

Icthyovenator: Ichthyovenator is a genus of spinosaurid dinosaur that lived in what is now Laos, sometime between 120 and 113 million years ago, during the Aptian stage of the Early Cretaceous period.

Baryonyx: Baryonyx is a genus of theropod dinosaur which lived in the Barremian stage of the Early Cretaceous period, about 130–125 million years ago.

Suchosaurus: Suchosaurus is a spinosaurid dinosaur from Cretaceous England and Portugal, originally believed to be a genus of crocodile. The type material, consisting of teeth, was used by British palaeontologist Richard Owen to name the species S. cultridens in 1841

Riojavanitrix: Riojavenatrix is a genus of spinosaurid theropod from the Early Cretaceous Enciso Group of La Rioja, Spain. The type species is Riojavenatrix lacustris

Siamosaurus: Siamosaurus is a potentially dubious genus of spinosaurid dinosaur that lived in what is now known as China and Thailand during the Early Cretaceous period and is the first reported spinosaurid from Asia.

Sinopliosaurus: Sinopliosaurus is a dubious genus of pliosauroid plesiosaur. It lived during the Aptian and Albian stages of the Early Cretaceous of the People's Republic of China - its exact age is unknown. The type species, Sinopliosaurus weiyuanensis, was named and described in 1944 by Yang Zhongjian.

Ripoveranator: Riparovenator is a genus of baryonychine spinosaurid dinosaur from the Early Cretaceous period of Britain. The genus contains a single species, Riparovenator milnerae.

camrillasaurus: The type species, Camarillasaurus cirugedae, was described by Bárbara Sánchez-Hernández and Michael J. Benton. Originally described as a basal species of ceratosaur; latest publishments in 2019 has been reclassified the theropod as a potential member species to the Spinosauridae.

Iberospinus: Iberospinus is an extinct genus of spinosaurid dinosaur from the Early Cretaceous Papo Seco Formation of Portugal. The genus contains a single species, I. natarioi, known from several assorted bones belonging to one individual

Ostafrikasaurus: Ostafrikasaurus is a potentially dubious genus of theropod dinosaur from the Late Jurassic period of what is now Lindi Region, Tanzania. It is known only from fossil teeth discovered sometime between 1909 and 1912, during an expedition to the Tendaguru Formation by the Natural History Museum of Berlin

Ceratosuchops: Ceratosuchops is a genus of spinosaurid from the Early Cretaceous of Britain

Vallibonavenatrix: Vallibonavenatrix is a genus of spinosaurid dinosaur from the Early Cretaceous Arcillas de Morella Formation of Castellón, Spain. The type and only species is Vallibonavenatrix cani, known from a partial skeleton.

Irritator: Irritator is a genus of spinosaurid dinosaur that lived in what is now Brazil during the Albian stage of the Early Cretaceous Period, about 113 to 110 million years ago. It is known from a nearly complete skull found in the Romualdo Formation of the Araripe Basin

A list of every spinosaurid from largest to smallest