Stenopterygius is an extinct genus of thunnosaur ichthyosaur known from Europe (England, France, Germany, Luxembourg and Switzerland). Stenopterygius...

well-known genera include Eurhinosaurus, Ichthyosaurus, Leptonectes, Stenopterygius, and the large predator Temnodontosaurus. More basal parvipelvians like...

previously referred to Stenopterygius hauffianus. Maisch found that the lectotype of S. hauffianus can be determined as Stenopterygius cf. S. quadriscissus...

forelimbs to be much more like those of Stenopterygius. Noting that Chacaicosaurus lived after Stenopterygius but before Ophthalmosaurus, the researchers...

Ryosuke Motani in 1999, it contains the basal taxa Ichthyosaurus and Stenopterygius and the family Ophthalmosauridae. In thunnosaurs, the fore fin is at...

indicating that Ichthyosaurus was viviparous. Similar finds in the related Stenopterygius also show this. Jurassic ichthyosaurs had a fleshy dorsal fin on their...

(marine "crocodiles") appeared, as did new genera of ichthyosaurs (Stenopterygius, Eurhinosaurus, and the persistently primitive Suevoleviathan) and plesiosaurs...

described the species that would later come to be known as Stenopterygius quadriscissus and Stenopterygius triscissus. 1860 Sir Richard Owen tried to rename the...

the Staatliches Museum für Naturkunde in Stuttgart) shows remains of Stenopterygius, another ichthyosaur, in its abdominal cavity. Due to its more robust...

moderately reduced and also showed the fusion of pubis and ilium seen Stenopterygius. The plate-like bones of the pelvis (pubis and ischium) had modified...