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Weald Clay or the Weald Clay Formation is a Lower Cretaceous sedimentary rock unit underlying areas of South East England, between the North and South Downs, in an area called the Weald Basin. It is the uppermost unit of the Wealden Group of rocks within the Weald Basin, and the upper portion of the unit is equivalent in age to the exposed portion of the Wessex Formation on the Isle of Wight. It predominantly consists of thinly bedded mudstone. The un-weathered form is blue/grey, and the yellow/orange is the weathered form, it is used in brickmaking.
Anasibirites is an extinct genus of cephalopod belonging to the Ammonite subclass.
Cyclanorbis is a genus of softshell turtles in the family Trionychidae. The genus is endemic to Africa.
Cycloderma is a genus of softshell turtles in the subfamily Cyclanorbinae of the family Trionychidae. The genus is endemic to Africa.
Batrachosuchoides is an extinct genus of prehistoric amphibian from the Early Triassic of Russia. It was found in the Baskunchakskaia Series and the Lestanshorskaya Svita.
Batrachosaurus is an extinct genus of prehistoric brachyopoid amphibian that lived in Germany during the Middle Triassic (Ladinian). The genus was named by Joseph Fitzinger in 1837 and the type species, B. jaegeri, was named three years later in 1840. It may have been the same animal as Mastodonsaurus.
Gosfordia is an extinct genus of prehistoric sarcopterygian or lobe-finned fish.
Metaceratodus is an extinct genus of prehistoric lungfish in the family Ceratodontidae, with an indeterminate specimen known from the Late Triassic (Norian)-aged Lissauer Breccia of Poland and more complete specimens known from the Late Cretaceous of Queensland, Australia and Argentina. The genus was named and described by Frederick Chapman in 1914.
Megapleuron is an extinct genus of prehistoric sarcopterygian or lobe-finned fish from the early Permian of France.
Pillararhynchus is an extinct genus of prehistoric sarcopterygians or lobe-finned fish.
Chelonoidis is a genus of turtles in the tortoise family erected by Leopold Fitzinger in 1835. They are found in South America and the Galápagos Islands, and formerly had a wide distribution in the West Indies.
The Trionychinae are a subfamily of turtles in the family Trionychidae.
Rhadalognathus was a prehistoric crocodile-like amphibian that belongs to the Mastodonsauridae family. Not much is known about this creature but it lived in the Triassic period. Rhadalognathus is also the name of the genus in which the organism belongs within. Rhadalognathus was found in northern Arizona, US, by S. P. Welles in 1947. The size of the organism is unknown but its skull is about 17in long and weighs 7lbs.
Alienochelys is an extinct genus of sea turtle known from Maastrichian-aged Cretaceous phosphates in Morocco. Its name comes from, unlike other sea turtles, Alienochelys' the jaws being adapted for a powerful crushing pattern, as well as its unusual cranial characteristics. It is a relative of the modern leatherback turtle, as well as the extinct Archelon.
Glyptoactis is a mostly extinct genus of bivalves in the family Carditidae. They have been recovered from the Castle Hayne Limestone geologic formation in North Carolina and in France.
Baiera is a genus of prehistoric gymnosperms in the order Ginkgoales. It is one of the oldest fossil foliage types of Ginkgoales, and is related to the genera Ginkgo and Ginkgoites. Fossils of Baiera are found worldwide, and have been known from the Permian to the Cretaceous.
Microcnemus is an extinct genus of lizard-like early archosauromorph reptiles from the Protorosauridae. Members of the genus lived during the Early Triassic period in Russia. Once believed to have been an ancestor to lizards, Microcnemus is now known to be one of the oldest members of the lineage that would eventually lead to archosaurs such as crocodilians and dinosaurs. The type species, M. efremovi, was named in 1940 by the German palaeontologist Friedrich von Huene.
Acrochordoidea is a superfamily of snakes that contains only one extant family, the file snakes (Acrochordidae), as well as two extinct families, Nigerophiidae and Palaeophiidae. Members of this superfamily are largely aquatic in nature, with some species found in marine habitats, much as with the only distantly related sea snakes. Members of Palaeophiidae and Nigerophiidae could grow incredibly large and some species, such as members of the genus Palaeophis, were among the largest snakes to ever exist.
Sabinosuchus is a genus of Mesoeucrocodylian, from the Maastrichtian Escondido Formation of Coahuila, Mexico, with S. coahuilensis as the type species. First described as a putative dyrosaurid by Shiller II et al. (2016), it was tentatively redescribed as a pholidosaurid by Jouve & Jalil (2020).
Ilatardia is an extinct genus of bothremydid pleurodiran turtle that was discovered in the Farin Doutchi Formation of Niger. The genus consists solely of type species I. cetiotesta.
References
- ↑ "Fossilworks: Anatomites". fossilworks.org. Retrieved 17 December 2021.
- ↑ "Fossilworks: Juvavites (Anatomites) konnincki". fossilworks.org. Retrieved 17 December 2021.
- ↑ "Chiara Guaiumi's research works | University of Padova, Padova (UNIPD) and other places". ResearchGate. Retrieved 2019-03-10.
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