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Tataouinea In Situ
''Tataouinea'' is an extinct genus of sauropod dinosaur in the subfamily Rebbachisaurinae of Rebbachisauridae which lived in the Early Cretaceous of Tunisia. Only one species, ''T. hannibalis'', is known. Discovery and naming The first known elements of the holotype were discovered in the Aïn el Guettar Formation in 2011 by Aldo Luigi Bacchetta, but he was unable to excavate the specimen until 2012. The remains were subsequently studied by Federico Fanti, Andrea Cau, Mohsen Hassine and Michela Contessi. The genus was named in 2013. The name refers to the Tataouine Governatorate, Tunisia, and Hannibal. In 2015 more material of the holotype specimen was uncovered after the initial description were analysed. These included additional tail vertebrae. Description Its bones were extensively pneumatic, providing strong support for the theory that sauropods had birdlike respiratory systems. Key characteristics of its vertebral morphology show that ''Tatouinea'' was a rebbachisau ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Albian
The Albian is both an age of the geologic timescale and a stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early/Lower Cretaceous Epoch/Series. Its approximate time range is 113.0 ± 1.0 Ma to 100.5 ± 0.9 Ma (million years ago). The Albian is preceded by the Aptian and followed by the Cenomanian. Stratigraphic definitions The Albian Stage was first proposed in 1842 by Alcide d'Orbigny. It was named after Alba, the Latin name for River Aube in France. A Global Boundary Stratotype Section and Point (GSSP), ratified by the IUGS in 2016, defines the base of the Albian as the first occurrence of the planktonic foraminiferan '' Microhedbergella renilaevis'' at the Col de Pré-Guittard section, Arnayon, Drôme, France. The top of the Albian Stage (the base of the Cenomanian Stage and Upper Cretaceous Series) is defined as the place where the foram species '' Rotalipora globotruncanoides'' first appears in the stratigraphic column. The Albia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rebbachisaurus
''Rebbachisaurus'' (meaning "Khebbash, Aït Rebbach lizard") is a genus of sauropod dinosaur of the superfamily Diplodocoidea, that lived during the Late Cretaceous period in Africa and possibly also South America about 99-97 million years ago. Remains attributed to ''Rebbachisaurus'' have been found in Morocco, Niger, Algeria, Tunisia and possibly also Argentina (if ''Rayososaurus'' is the same animal as ''Rebbachisaurus''), although only the Moroccan remains can be referred to the genus without doubt. The discovery of ''Rayososaurus'', a South American sauropod nearly identical to ''Rebbachisaurus'' which may have actually have been the same animal as ''Rebbachisaurus'', supports the theory that there was still a land connection between Africa and South America during the Early Cretaceous, long after it was commonly thought the two continents had separated.Bonaparte, J. (1996). "Cretaceous tetrapods of Argentina". ''Münchner Geowissenschaften Abhandlungen'' 30: 73-130. History ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Demandasaurus
''Demandasaurus'' (meaning " Demanda lizard") is a genus of rebbachisaurid sauropod dinosaur from early Cretaceous (late Barremian – early Aptian stage) deposits of Spain. ''Demandasaurus'' is known from an incomplete but associated skeleton that includes cranial and postcranial remains. It was collected from the Castrillo de la Reina Formation in Burgos Province of Spain. It was first named by Fidel Torcida Fernández-Baldor, José Ignacio Canudo, Pedro Huerta, Diego Montero, Xabier Pereda Suberbiola and Leonardo Salgado in 2011 and the type species is ''Demandasaurus darwini''. Description It has a series of singular characteristics that allow this differentiation as a new genus and species. For example, teeth with a special ornamentation of ridges in its enamel, cervical vertebrae with bone structures that are not present in other dinosaurs, neural arches of the dorsal vertebrae crossed entirely by two pneumatic fossae. The rounded shape of its snout also contrasts with t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Katepensaurus
''Katepensaurus'' is an extinct genus of rebbachisaurid sauropod dinosaur known from the Late Cretaceous of south-central Chubut Province of central Patagonia, Argentina. It contains a single species, ''Katepensaurus goicoecheai''. Discovery ''Katepensaurus'' was first described and named by Lucio M. Ibiricu, Gabriel A. Casal, Rubén Dario Martínez, Matthew C. Lamanna, Marcelo Luna and Leonardo Salgado in 2013 and the type species is ''Katepensaurus goicoecheai''. It is known solely from the holotype, a partial axial skeleton that includes cervical, dorsal, and caudal vertebrae, found in close association. The holotype, UNPSJB-PV 1007, was collected from the Bajo Barreal Formation, dating to the Cenomanian or Turonian stage of the Late Cretaceous. The generic name is derived from Tehuelche ''katepenk'', "hole", referring to a distinctive opening in the transverse processes of the dorsal vertebrae. The specific name honours Alejandro Goicoechea, the owner of the ''Estancia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limaysaurus
''Limaysaurus'' ("Limay lizard") is a genus represented by a single species of rebbachisaurid sauropod dinosaurs, which lived during the mid-Cretaceous period, about 99.6 to 97 million years ago, in the Cenomanian, in what is now South America (northwestern Patagonia). Description ''Limaysaurus'' was a medium-sized sauropod. Gregory S. Paul in 2010 estimated its length at fifteen meters (50 ft) and its weight at seven tonnes.Paul, G.S., 2010, ''The Princeton Field Guide to Dinosaurs'', Princeton University Press, pp. 186 and 208. The neural spines on its back were very tall. The neural spines of the cervical and dorsal vertebrae are not V-shaped but they have a simple and straight form like an I. Its teeth were curved, unlike those of ''Diplodocus'' which were pencil-shaped. Another distinct characteristic of this sauropod is its phylogenetic relationship to ''Rebbachisaurus'' from Morocco. This discovery supports the theory that there was a land bridge connecting South America ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cathartesaura
''Cathartesaura'' is a genus of rebbachisaurid sauropod dinosaur hailing from the Late Cretaceous strata of the Huincul Formation, at the "La Buitrera" locality, in the Neuquén Basin of Río Negro Province, Argentina. The fossil remains, described by Gallina and Apesteguía in 2005, consist of a partial skeleton including vertebrae and limb bones. These were found at the base of the formation, which spans the Cenomanian and Coniacian epochs, in mudstone and sandstone levels. Etymology The generic name is composed of ''Cathartes'', the New World vulture genus and ''-saura'', feminine declination of the Greek term ''sauros'', "lizard". It also implies the juxtaposition of the components of the scientific name of the turkey vulture, ''Cathartes aura'', whose Spanish name, "''buitre''", named the locality where the fossil was found due to the abundance of such birds there. The specific epithet honors the Argentinian adhesive company Anaeróbicos for providing field and laboratory ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limaysaurinae
Khebbashia is a clade of herbivorous sauropod dinosaurs belonging to the Rebbachisauridae. P. D. Mannion, P. Upchurch, D. Schwarz and O. Wings. (2019). Taxonomic affinities of the putative titanosaurs from the Late Jurassic Tendaguru Formation of Tanzania: phylogenetic and biogeographic implications for eusauropod dinosaur evolution. ''Zoological Journal of the Linnean Society'' 185(3):784-909 Members of Khebbashia were medium-sized sauropods from the early Cretaceous period of South America, Africa and Europe. The name "Khebbashia" is derived from "Khebbash" or "Khebbache", a Moroccan tribe that inhabited the region where the first rebbachisaurid specimen was found in North Africa. Khebbashia is defined as the least inclusive clade including '' Limaysaurus tessonei'', ''Nigersaurus taqueti'', and ''Rebbachisaurus ''Rebbachisaurus'' (meaning " Aït Rebbach lizard") is a genus of sauropod dinosaur of the superfamily Diplodocoidea, that lived during the Late Cretaceous period ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Khebbashia
Khebbashia is a clade of herbivorous sauropod dinosaurs belonging to the Rebbachisauridae. P. D. Mannion, P. Upchurch, D. Schwarz and O. Wings. (2019). Taxonomic affinities of the putative titanosaurs from the Late Jurassic Tendaguru Formation of Tanzania: phylogenetic and biogeographic implications for eusauropod dinosaur evolution. ''Zoological Journal of the Linnean Society'' 185(3):784-909 Members of Khebbashia were medium-sized sauropods from the early Cretaceous period of South America, Africa and Europe. The name "Khebbashia" is derived from "Khebbash" or "Khebbache", a Moroccan tribe that inhabited the region where the first rebbachisaurid specimen was found in North Africa. Khebbashia is defined as the least inclusive clade including ''Limaysaurus tessonei'', ''Nigersaurus taqueti'', and ''Rebbachisaurus garasbae''. It therefore includes the rebbachisaurid subfamilies Rebbachisaurinae and Limaysaurinae Khebbashia is a clade of herbivorous sauropod dinosaurs belongi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Comahuesaurus
''Comahuesaurus'' (meaning "Comahue lizard") is a genus of sauropod dinosaur of the family Rebbachisauridae. It was found in the Lohan Cura Formation, in Argentina and lived during the Early Cretaceous, Aptian to Albian. The type species is ''C. windhauseni'', named by Carballido and colleagues in 2012. It had originally been assigned to ''Limaysaurus'' by Salgado ''et al.'' (2004), but was later assigned its own genus based on the presence of diagnostic characters in the caudal centra, pubis and ischium. ''Comahuesaurus'' is known from abundant material compared to other rebbachisaurids; 37 caudal vertebrae, three fragmentary dorsal vertebrae and multiple appendicular elements, including a right humerus, pubis, ischium and a 113 cm long left femur. In their phylogenetic analysis, Carballido ''et al.'' (2012) placed ''Comahuesaurus'' in an intermediate position between basal rebbachisaurids such as '' Histriasaurus'' and the derived clade formed by subfamilies Rebbachisaurin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Histriasaurus
''Histriasaurus'' (HIS-tree-ah-SAWR-us) (meaning "Istria lizard") was a genus of dinosaur from the Early Cretaceous (Hauterivian to Barremian stages, around 135-125 million years ago). Its fossils, holotype WN V-6, were found in a bonebed in lacustrine limestone exposed on the seafloor off the coast of the town of Bale on the Istrian peninsula in Croatia by Dario Boscarolli during the 1980s, and described in 1998 by Dalla Vecchia. It was a diplodocoid sauropod, related to, but more primitive than, ''Rebbachisaurus''. Phylogenetic analyses published in 2007 and 2011 placed ''Histriasaurus'' as the most basal member of Rebbachisauridae. The type species, ''H. boscarollii'', was described by Dalla Vecchia in 1998. The specific name honours the discoverer of the site, Darío Boscarolli. Although some authors consider ''Histriasaurus'' a dubious taxon, more recent papers support the original classification.Apesteguía, S. (2005). "Evolution in the hyposphene-hypantrum complex within ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zapalasaurus
''Zapalasaurus'' is a genus of sauropod dinosaur described by Leonardo Salgado, Ismar de Souza Carvalho and Alberto Garrido in 2006. It was named after the city of Zapala, which is approximately away from where the holotype was discovered. The type species, ''Zapalasaurus bonapartei'', was found in the La Amarga Formation of the Neuquén Basin, Neuquén Province, Argentina. It was a diplodocoid, a long-necked herbivore, and it lived during the Early Cretaceous. The authors conclude from examining the skeleton that "The record of ''Zapalasaurus bonapartei'' shows that, at least in the Neuquén Basin Neuquén Basin ( es, Cuenca Neuquina) is a sedimentary basin covering most of Neuquén Province in Argentina. The basin originated in the Jurassic and developed through alternating continental and marine conditions well into the Tertiary. The bas ..., basal diplodocoids were more diverse than previously thought." ''Zapalasaurus'' is assumed to have a long neck which would have been d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amazonsaurus
''Amazonsaurus'' ( , "Amazon lizard") is a genus of diplodocoid sauropod dinosaur from the Early Cretaceous Period of what is now South America. It would have been a large-bodied quadrupedal herbivore with a long neck and whiplash tail. Although more derived diplodocoids were some of the longest animals ever to exist, ''Amazonsaurus'' was probably not more than 12 meters (40 ft) long. Gregory S. Paul estimated in 2010 its weight at 5000 kg. Fossils of ''Amazonsaurus'', including some back and tail vertebrae, ribs, and fragments of the pelvis, are the only dinosaur remains identifiable at the generic level from the Itapecuru Formation of Maranhão. This geologic formation dates back to the Aptian through Albian epochs of the Early Cretaceous Period, or about 125 to 100 million years ago. ''Amazonsaurus'' was recovered in sediments which are interpreted by geologists as floodplain deposits near a river delta. Description The tall neural spines on the tail vertebrae iden ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
