In Depth Kazakhstanosaurus is a genus of ichthyosaur that lived during the late Jurassic. Kazakhstanosaurus is considered to be similar and perhaps even an ancestor to the genus Undorosaurus. Further reading – новый вид kazakhstanosaurus efimovi yakupova et akhmedenov sp. nov. (ichthyosauria, undorosauridae) из верхнеюрских отложений среднего поволжья России. (new species kazakhstanosaurus efimovi yakupova et … Read more
In Depth Platypterygius was a medium sized ichthyosaur that lived towards the end of the reign of this group of marine reptiles. The name which means ‘flat wing’ seems to have been in reference to the arrangement of the bones inside the front flippers which were tightly bound to produce the flat form. This feature … Read more
In Depth Malawania is a genus of ichthyosaur that lived around the Middle East during the early Cretaceous. Further Reading - A basal thunnosaurian from Iraq reveals disparate phylogenetic origins for Cretaceous ichthyosaurs. - Biology Letters 98(4). - V. Fischer, R. M. Appleby, D. Naish, J. Liston, J. B. Riding, S. Brindley & P. Godefroit … Read more
In Depth Jabalisaurus is a genus of ophthalmosaurid ichthyosaur that lived during the late Jurassic. Further reading - A new ophthalmosaurid (Ichthyosauria) from the Upper Kimmeridgian deposits of the La Casita Formation, near G�mez Far�as, Coahuila, northern Mexico. Journal of South American Earth Sciences. 111: 103499. - Jair Israel Barrientos-Lara & Jes�s Alvarado-Ortega - 2021.
In Depth Janusaurus is a genus of ophthalmosaurid ichthyosaur that lived in the waters around what is now Spitsbergen during the late Jurassic. Further Reading - A new Upper Jurassic ophthalmosaurid ichthyosaur from the Slottsm�ya Member, Agardhfjellet Formation of central Spitsbergen. - PLoS One 9(8):1-24. - A. J. Robert, P. S. Druckenmiller, G. Saetre & … Read more
In Depth First discovered in 2009, the holotype specimen of Cryopterygius was found quite complete, only the posterior portion of the tail is missing. The main length of Cryopterygius from the tip of the snout to the posterior regions of the body is just over four and a half meters long, Depending upon how long … Read more
In Depth Sumpalla ia a genus of ichthyosaur that lived in the waters around South America during the late Jurassic. The holotype fossil of Sumpalla was originally assigned to the Aegirosaurus genus, before being re-described in 2021. Further reading - Morphological disparity in the evolution of the ophthalmosaurid forefin: new clues from the Upper Jurassic … Read more
In Depth Hudsonelpidia is a little known ichthyosaur from the Late Triassic. Like with its relatives, Hudsonelpidia was probably a hunter of fish and other small marine organisms. Further Reading Further reading- A remarkable small ichthyosaur from the Upper Triassic of British Columbia, representing a new genus and species. – Canadian Journal of Earth Sciences. … Read more
In Depth Eurhinosaurus is one member of what still appears to be a small group of ichthyosaurs that had specialised asymmetrical jaws. What this means in more detail is that the rostrum of the upper jaw extended beyond the lower jaw to give Eurhinosaurus a head and set of jaws that resemble a modern day … Read more
In Depth Gengasaurus is a genus of ichthyosaur that lived in European waters during the late Jurassic. Further Reading - The first ophthalmosaurid ichthyosaur from the Upper Jurassic of the Umbrian-Marchean Apennines (Marche, Central Italy). - Geological Magazine 154(4):837-858. - I. Paparella, E. E. Maxwell, A. Cipriani, S. Roncace & M. W. Caldwell - 2017.