| Velociraptorichnus | |
|---|---|
Trace fossil classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Ichnofamily: | † Dromaeopodidae |
| Ichnogenus: | † Velociraptorichnus L.I.Zhen, Zhang, Chen & Zhu, 1995 |
Velociraptorichnus is an ichnogenus of dinosaur footprint. In 2016 based on the 10 cm (0.33 ft) long footprint the animal's size was estimated at 1.2-1.55 meters (3.9–5 ft) and 3.9-5.6 kg (8.6-12.3 lbs). [1]
Acrocanthosaurus is a genus of carcharodontosaurid dinosaur that existed in what is now North America during the Aptian and early Albian stages of the Early Cretaceous, from 113 to 110 million years ago. Like most dinosaur genera, Acrocanthosaurus contains only a single species, A. atokensis. It had a continent-wide range, with fossil remains known from the U.S. states of Oklahoma, Texas, and Wyoming in the west, and Maryland in the east.
Shantungosaurus is a genus of very large saurolophine hadrosaurid dinosaur found in the Late Cretaceous Wangshi Group of the Shandong Peninsula in China, containing a single species, Shantungosaurus giganteus. The stratigraphic interval of Shantungosaurus ranges from the top of the Xingezhuang Formation to the middle of the Hongtuya Formation, middle to late Campanian in age. Shantungosaurus is so far the largest hadrosauroid taxon in the world, reaching between 15 metres (49 ft) to 16.6 metres (54 ft) in length and 13 metric tons to 16 metric tons in body mass.
Dicraeosaurus is a genus of diplodocoid sauropod dinosaur that lived in what is now Lindi Region, Tanzania during the late Jurassic period. The genus was named for the neural spines on the back of its neck. The first fossil was described by paleontologist Werner Janensch in 1914.
Labocania is a genus of carnivorous theropod dinosaur of uncertain affinities from Baja California, Mexico, which lived 73 million years ago, in the Campanian stage of the late Cretaceous Period.
Therizinosauridae is an extinct family of derived (advanced) therizinosauroid dinosaurs whose fossil remains have been found in mostly Late Cretaceous boundary. Even though representative fossils have only been found throughout Asia and North America, the range of Therizinosauridae is believed to have spanned much of the supercontinent of Laurasia based on several footprints and isolated remains in Europe and Africa. Currently, Therizinosauridae comprises eight described and named taxa.
Size is an important aspect of dinosaur paleontology, of interest to both the general public and professional scientists. Dinosaurs show some of the most extreme variations in size of any land animal group, ranging from tiny hummingbirds, which can weigh as little as two grams, to the extinct titanosaurs, which could weigh as much as 50–100 t.
Sinosaurus is an extinct genus of theropod dinosaur which lived during the Early Jurassic Period. It was a bipedal carnivore approximately 5.5 metres (18 ft) in length and 300 kilograms (660 lb) in body mass. Fossils of the animal were found at the Lufeng Formation, in the Yunnan Province of China.
Grallator ["GRA-luh-tor"] is an ichnogenus which covers a common type of small, three-toed print made by a variety of bipedal theropod dinosaurs. Grallator-type footprints have been found in formations dating from the Early Triassic through to the early Cretaceous periods. They are found in the United States, Canada, Europe, Australia, Brazil and China, but are most abundant on the east coast of North America, especially the Triassic and Early Jurassic formations of the northern part of the Newark Supergroup. The name Grallator translates into "stilt walker", although the actual length and form of the trackmaking legs varied by species, usually unidentified. The related term "Grallae" is an ancient name for the presumed group of long-legged wading birds, such as storks and herons. These footprints were given this name by their discoverer, Edward Hitchcock, in 1858.
Pycnonemosaurus is a genus of carnivorous theropod dinosaur that belonged to the family Abelisauridae. It was found in the Upper Cretaceous red conglomerate sandstones of the Cachoeira do Bom Jardim Formation, Mato Grosso, Brazil, and it lived during the Campanian stage of the Late Cretaceous period.
Eubrontes is the name of fossilised dinosaur footprints dating from the Late Triassic and Early Jurassic. They have been identified from France, Poland, Slovakia, Czech Republic, Italy, Spain, Sweden, Australia (Queensland), US, India, China and Brazil (South).
The Urbión Group is a geological group in Castile and León and La Rioja, Spain whose strata date back to the Early Cretaceous (late Hauterivian to late Barremian. The formations of the group comprise a sequence of brown limestones in a matrix of black silt, sandstones, claystones and conglomerates deposited under terrestrial conditions, in alluvial fan and fluvial environments.
The Chacarilla Formation is an Oxfordian to Early Cretaceous geologic formation of the Tarapacá Basin in northern Chile, close to the border with Bolivia. The marine and fluvial formation preserves several dinosaur trackways and has been declared a Natural Sanctuary in 2004.
The Schrattenkalk Formation is a Barremian to Aptian geologic formation in the Alps. The limestone is highly karstified. Fossil ornithopod tracks have been reported from the formation. Iguanodont tracks have been registered in the Swiss portion of the formation. The famous north face of the Eiger is partly composed of Schrattenkalk, as well as the Sturmannshöhle in southernmost Bavaria, Germany, and the Hölloch and Silberen system karst caves in Switzerland.
Luoyanggia is a genus of oviraptorid dinosaur known from the Early Cretaceous Haoling Formation of the Ruyang Basin in Henan Province, central China. The type species is L. liudianensis. Holtz estimated it at 1.5 meters and around 2.27-9.1 kg. Molina-Pérez and Larramendi gave a similar size of 1.2 meters and 8.5 kg.
Brontopodus is an ichnogenus of dinosaur footprint. The footprint has diplodocid form, but four toes when almost every diplodocid has no more than three. This leaves Dyslocosaurus as the only known genus capable of producing the footprints. In 2020 Molina-Perez and Larramendi estimated the size of an individual at 23.7 meters (78 ft) and 32 tonnes based on the 1.1 m (3.6 ft) long footprint that was found in Texas.
Carmelopodus is an ichnogenus of theropod dinosaur footprint. They are suggested to belong to basal ceratosaurs, due to their similarities with abelisaurid footprints. In 2016, a large footprint from the Early Jurassic of Morocco belonging to Carmelopodus sp. was estimated to belong to an 8 m (26 ft) long and 1.65 t heavy individual. Another footprint from the Middle Jurassic of the USA that belongs to Carmelopodus untermannorum, the type species, has a size of 4 cm (0.13 ft) and was made by an individual that was 68 cm (2.2 ft) in length and 1 kg (2.2 lbs).
Parabrontopodus is an ichnogenus of dinosaur footprint, that was initially described by Lockley et al. in 1994, and was assigned to Sauropoda by Lockley in 2002 and in 2004 by Niedzwiedzki and Pienkowski. Various species through their footprints that are characterized by the association of two impressions left by hand and foot. The acquisition of a specific family is complex, but now in most cases, they have been considered diplodocoids and similar animals. The reason is that their traces left are large, but in proportion to the size, from animals, seem very light because the depth of imprint is low.
Pseudotetrasauropus is an ichnogenus of sauropod dinosaur footprint from the Elliot Formation of Lesotho and South Africa. In 2020 based on the 60 cm long footprint Molina-Pérez and Larramendi estimated the size of the animal at 9.1 meters and 2 tonnes.
Sarmientichnus is an ichnogenus of dinosaur footprint.
Tyrannosauripus is an ichnogenus of dinosaur footprint. It was discovered by geologist Charles "Chuck" Pillmore in 1983 and formally described by Martin Lockley and Adrian Hunt in 1994. This fossil footprint from northern New Mexico is 96 cm long and given its Late Cretaceous age, it very likely belonged to the giant theropod dinosaur Tyrannosaurus rex. In 2016 the size of this individual was estimated at 11.4 meters and 5.8-6.9 tonnes. Similar tridactyl dinosaur tracks in North America were discovered earlier and named Tyrannosauropus in 1971, but they were later recognized as hadrosaurid tracks and their description deemed inadequate, with Tyrannosauropus regarded as a nomen dubium. True footprints likely from Tyrannosaurus would not be found until the discovery of Tyrannosauripus. In 2007, a large tyrannosaurid track was found also in eastern Montana. In 2016, a probable fossil trackway of Tyrannosaurus was discovered in Wyoming.
Glut, Donald F. (2003). "Appendix: Dinosaur Tracks and Eggs" . Dinosaurs: The Encyclopedia. 3rd Supplement. Jefferson, North Carolina: McFarland & Company, Inc. pp. 613–652. ISBN 0-7864-1166-X.
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