In Depth        Yuanmousaurus is a genus of sauropod dinosaur that has most recently been considered to be related to genera such as Mamenchisaurus and Tienshanosaurus.†‬This interpretation is based upon a partial cervical†(‬neckâ€) ‬vertebra,†‬at the time of writing the only part†‬of the neck known that shows elongation similar to the neck vertebrae … Read more
In Depth        Lycophocyon is a genus of primitive caniform mammal that lived in western North America during the latter half of the Eocene.†‬Caniform mammals like Lycophocyon are seen as the precursors of the true canids which today include dogs,†‬bears,†‬weasels,†‬martens and even seals. Further Reading -†‬A new basal caniform†(‬Mammalia:†‬Carnivoraâ€) … Read more
In Depth        The holotype specimen of Polonosuchus,†‬a partial left maxilla was originally described as a species of Teratosaurus in†‬2005.†‬A re-evaluation of the specimen led to the†‬2009†‬creation of Polonosuchus.†‬The former species name,†‬silesiacus was retained to create the new type species P.†‬silesiacus,†‬as is standard procedure in such naming … Read more
In Depth        Gobiconodon has been perceived to have been a possum-like animal,†‬as well as one of the larger mammals alive during the†‬Early†‬Cretaceous.†‬Although most fossils associated with Gobiconodon are known from Asia,†‬some fossil remains are also known from the USA.†‬Gobiconodon lived during the early Cretaceous and most species of are … Read more
In Depth        Thescelosaurus seems to have been one of the†‬main herbivorous dinosaurs roaming around North America towards the end of the Cretaceous period.†‬The first fossils of Thescelosaurus began to be recovered in the closing decade of the nineteenth century,†‬but were not described until†‬1913†‬by Charles W.†‬Gilmore,†‬who provided a much … Read more
In Depth Further Reading – Anmďż˝rkningar vid Genus Trichechi. Kongl. – Vetenskaps Academiens nya handlingar 2(15):286-300. – A. J. Retzius – 1794. – A new species of hydrodamaline Sirenia from Hokkaido, Japan. – Takikawa Museum of Art and Natural History. pp. 1–73. – H. Furusawa – 1988. – A phylogeny of the North Pacific Sirenia … Read more
In Depth        Bayomesasuchus is a genus of peirosaurid crocodile that lived in South America during the late Cretaceous. Further Reading -†‬A new peirosaurid†(‬Crocodyliformes,†‬Mesoeucrocodyliaâ€) ‬from the Upper Cretaceous of Patagonia,†‬Argentina.†‬-†‬Ameghiniana†‬53â€(‬1â€)‬:14-25.†‬-†‬F.†‬Barrios,†‬A.†‬Paulina-Carabajal†‬& P.†‬Bona†‬-†2015.
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        Juchilestes is a genus of amphidont mammal that lived in China during the early Cretaceous. Further Reading -†‬A new mammal skull from the Lower Cretaceous of China with implications for the evolution of obtuse-angled molars and†‘‬amphilestid‒ ‬eutriconodonts.†‬-†‬Proceedings of the Royal Society of London B†‬277:237-246.†‬-†‬C.†‬-L.†‬Gao,†… Read more
In Depth        Zhanghenglong was described at the time of its description as a non-hadrosaurid hadrosauroid,†‬which translated into simpler terms is a primitive hadrosaur.†‬Hadrosauroids like Zhanghenglong were descended from the older iguanodont ornithopods that rose to prominence during late Jurassic and early Cretaceous.†‬By the earlier stages of the late cretaceous that had evolved … Read more