#lusotitan
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The Mists of Lourinhã Eousdryosaurus encounters Lusotitan.
#my art#paleoart#sciart#dinosaur#lusotitan#eousdryosaurus#sauropod#ornithopod#herbivore#lourinha formation#portugal#jurassic#mesozoic#extinct#animal#nature#prehistoric
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Sad Lusotitan
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SISTER FORMATIONS: MORRISON, LOURINHA AND TENDAGURU
Back in the Late Jurassic Period, North America, Europe and Africa were next door neighbors.
This is reflected in the similarity of the lithology, and fauna of the rocks. In North America, we have the Morrison Formation, in Europe we have the Lourinha Formation, and in Africa we have the Tendaguru Formation. All of these are contemporaneous or sister formations.
Stratigraphy
The Tendaguru Formation is approximately 177 m thick and broken up into five members: Lower Dinosaur Member (cross-bedded, fine-grained sand and siltstone w/interbedded clay), Nerinella Member (trough cross-bedded and massive sandstone indicating a tidal channels, sandbars and beaches),
Middle Dinosaur Member ( ripple, cross-bedded, fine-grained calcareous sandstone and siltstone and massive to crudely bedded siltstone and claystone indicating tidal flats and lagoons),
Indotrigonia Africana Member (calcite cemented sandstone, conglomerate, thin claystone, and siltstone with sandy limestone indicating tidal and deltaic channels),
and the Upper Dinosaur Member (ripple, cross-bedded, fine-grained sandstone and siltstone with interbedded claystone and micriitic carbonates indicating tidal flats).
The Lourinha Formation is about 200 to 1000 meters thick and is broken into about 5 members: Praia da Amoreira Member (massive mudstone with meter thick sandstone lenses and calcrete layers indicating a meandering river system),
the Porto Novo Member (cross-bedded sandstone indicating a deltaic system), the Praia Azul Member (marl and mudstone indicating brief marine transgression),
and the Santa Rita and Assenta Members (mudstone, caliche, shelly carbonates near the top indicating a landward side of a deltaic system) which are equivalent members from different basins.
The Morrison, as stated previously, is about 200 m thick and consists of 11 different members. I will not go into detail about them again but it should be noted that the formations are approximately the same thickness and made of primarily sand, silt and mudstone.
DINOSAURS
Now for the other fun part: the dinosaur fauna. There are some dinosaurs that are shared between two or all of the formations. These include Ceratosaurus nasicornis in the Morrison and a possible Ceratosaurus in the Tendaguru
and in the Lourinha, Torvosaurus tanneri in the Morrison, Torvosaurus gurneyi in the Lourinha, and a possible Torvosaurus species in the Tendaguru,
Allosaurus fragilis in the Morrison and Allosaurus europaeus in the Lourinha,
Dryosaurus altus in the Morrison and a possible Dryosaurus species in the Lourinha,
Miragaia longicollum in the Lourinha and possibly Miragaia longispinus in the Morrison. Though if that's true, the genus would be Alcovosaurus because that was named first.
And then there are the dinosaurs that were similar to each other in each formation. Filling in the niche or living alongside Dryosaurus was Dystalotosaurus of the Tendaguru,
Eudryosaurus in the Lourinha, and Nanosaurus in the Morrison.
There's Draconyx in the Lourinha and Camptosaurus in the Morrison as early iguanodonts.
Kentrosaurus in the Tendaguru, Dacentrurus in the Lourinha and Stegosaurus and Hesperosaurus in the Morrison are the main stegosaurs.
For ankylosaurs, there is Dracopelta in the Lourinha and Mymooropelta and Gargoyleosaurus in the Morrison.
Then there's Dicraeosaurus of the Tendaguru and Suuwassea of the Morrison.
Giraffatitan of the Tendaguru, Lusotitan of the Lourinha and Brachiosaurus of the Morrison all represent brachiosaurs.
Janenschia of the Tendaguru and Haplocanthosaurus of the Morrison represent early sauropods.
Tendaguria of the Tendaguru and Zby of the Lourinha are even earlier sauropods.
Torneiria of the Tendaguru and Deinheirosaurus of the Lourinha are the diplodocids that match up with the bagillion in the Morrison.
Lourinhasaurus is the camarasaurid representative of the Lourinha.
The Tendaguru and the Lourinha have early carcharadontosaurs in the forms of Veteruristisaurus and Lusovenator.
Lourinanosaurus is the European equivalent of Marshosaurus in the U.S.
And Elaphrosaurus of the Tendaguru is the small to medium-sized equivalent of Tanycoalgreus in the Morrison.
This was a ton of info so if you want it more broken down, message me! I am happy to walk you through it all! Enjoy your weekend!
#paleontology#dinosaur#fossils#geology#lithology#north america#europe#africa#morrison formation#lourinha formation#tendaguru formation#science#allosaurus#torvosaurus#ceratosaurus#stegosaurus#brachiosaurus#giraffatitan#miragaia#kentrosaurus#dacentrurus#mymooropelta#dracopelta#gargoyleosaurus#dryosaurus#sandstone#mudstone#limestone#siltstone#stratigraphy
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Second #JurassicJune post!
Oops, turns out they were both male, but Miragaia doesn't seem to mind. We continue our journey over the lands of the Lourinhã Formation, with some Lusotitan and Dinheirosaurus/Supersaurus patrolling the floodplains. A Draconyx herd in the background.
#sciart#paleoart#paleostream#palaeoblr#dinosaur#dinosaurs#jurassic#stegosaur#lourinha#portugal#jurassicjune#pride month
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#Archovember Day 12 - Miragaia longicollum
In the Late Jurassic of Portugal lived a peculiarly long-necked stegosaur, Miragaia longicollum. Miragaia had at least 17 vertebrae in its neck, more than most sauropods! Its fossil was found during the construction of a new road and, unfortunately, the back half of the skeleton was likely destroyed in the process. 13 bony plates and one tail spike were found scattered, so Miragaia’s plate and spike configuration is mostly unknown. Still, its long neck is a distinguishing feature that sets it apart from any other known stegosaur.
Miragaia was long, graceful, large, but more lightweight than most other stegosaurs, at an estimated 2 metric tons (2.2 short tons). Its long neck could have been a means to browse at levels other herbivores weren’t exploiting, and/or it arose due to sexual selection and was used for display. Like other stegosaurs, it may have also been able to stand on its hind legs to reach even higher levels of browse.
Late Jurassic Portugal in many ways mimicked the Morrison Formation of Wyoming, USA. Miragaia would have lived alongside other stegosaurs like its close relative Dacentrurus. It would have also shared space with the ankylosaur Dracopelta, early ornithopods like Draconyx and Dryosaurus, and sauropods like Lourinhasaurus and Lusotitan. It would have been hunted by the European Allosaur, Allosaurus europaeus, and the European Torvosaur, Torvosaurus gurneyi, as well as other theropods like Lourinhanosaurus.
(I previously made my Dacentrurus purple on a whim, so I just decided to follow that trend with Miragaia here. All my stegosaurs are pink or purple lol)
#my art#SaritaDrawsPalaeo#Miragaia longicollum#Miragaia#stegosaurid#stegosaur#thyreophorans#ornithischians#dinosaurs#archosaurs#archosauromorphs#Archovember#archovember2023
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Ophiussasuchus: The Lourinhã Goniopholid
Not even a full three weeks into 2024 and we already have three new pseudosuchians, personally, I'm pretty satisfied with this developement.
The newest one is Ophiussasuchus paimogonectes ("crocodile from Portugal that swims at Paimogo beach"), a goniopholid Neosuchian from the Late Jurassic Lourinhã Formation of Portugal.
Ophiussasuchus is known from a single specimen, but one thats quite complete, preserving almost the entirety of the skull in 3D and only missing a chunk of the right side of the end of the skull.
The skull of Ophiussasuchus is mesorostine and platyrostral. In simple terms, its of medium length and width and has a flattened skull. Platyrostry is pretty much the standard for goniopholids, but mesorostry is more noticable in that there are some other genera in the group with short snouts (like Nannosuchus) and long snouts (like Anteopthalmosuchus and Hulkepholis). Another more general feature of this animal is that it was a medium-sized member of its family, with estimates suggesting a length of somewhere between 2.5 to 3 meters.
As often the case, the devil lies in the detail. Ophiussasuchus is thought to have been most closely related to Hulkepholis and Anteophthalmosuchus, two goniopholids from the Early Cretaceous of Europe. However it displays several features that indicate an intermediate position. A nasopharyngeal duct is visible on the palate, but in its closest relatives the duct is enclosed and in the more basal American forms the duct is more open. Interestingly, the palate also features small palatal fenestrae, which are not seen in any other goniopholids aside from Siamosuchus. Interestingly, these two features are not just leftovers from its ancestry. Analysis suggest that the palate of the ancestor of Ophiussasuchus likely looked like that of the other European taxa, which in turn means that this anatomy was reversed in Ophiussasuchus. It's unclear if Ophiussasuchus simply lost that anatomy or if it actually converged with the more basal forms.
Anteophthalmosuchus and Hulkepholis, longirostrine relatives of Ophiussasuchus from the early Cretaceous. Figure from Arribas et al. 2019
Ophiussasuchus lived during the Late Jurassic (Kimmeridgian to Tithonian) in the Lourinhã Formation of Portugal. The Lourinha is perhaps most famous as "Europe's Morrison", sharing much fauna with its American counterpart. Just as an example both formations feature Allosaruus, Torvosaurus and some animals found in the Lourinhã Formation are at the very least related to American forms. Examples for the latter are Lusotitan and Brachiosaurus, Dinheirosaurus and Supersaurus as well as Miragaia and Alcovasaurus.
Goniopholids are also present in both formations, the Morrison featuring Amphicotylus, Eutretauranosuchus and Diplosaurus and Lourinhã being home to Ophiussasuchus.
Reconstruction below by Simão Mateus and Camilo Pineda
Obligatory wikipedia and paper links
Ophiussasuchus - Wikipedia
A new Portuguese goniopholidid (palaeo-electronica.org)
#Lourinhã Formation#goniopholidae#pseudosuchia#croc#crocodile#ophiussasuchus#prehistory#jurassic#portugal#paleontology#palaeoblr#long post
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Brachiosaurus
(temporal range: 154-150 mio. years ago)
[text from the Wikipedia article, see also link above]
Brachiosaurus (/ˌbrækiəˈsɔːrəs/) is a genus of sauropod dinosaur that lived in North America during the Late Jurassic, about 154 to 150 million years ago.[1] It was first described by American paleontologist Elmer S. Riggs in 1903 from fossils found in the Colorado River valley in western Colorado, United States. Riggs named the dinosaur Brachiosaurus altithorax; the generic name is Greek for "arm lizard", in reference to its proportionately long arms, and the specific name means "deep chest". Brachiosaurus is estimated to have been between 18 and 22 meters (59 and 72 ft) long; body mass estimates of the subadult holotype specimen range from 28.3 to 46.9 metric tons (31.2 and 51.7 short tons). It had a disproportionately long neck, small skull, and large overall size, all of which are typical for sauropods. Atypically, Brachiosaurus had longer forelimbs than hindlimbs, which resulted in a steeply inclined trunk, and a proportionally shorter tail.
Brachiosaurus is the namesake genus of the family Brachiosauridae, which includes a handful of other similar sauropods. Most popular depictions of Brachiosaurus are in fact based on Giraffatitan, a genus of brachiosaurid dinosaur from the Tendaguru Formation of Tanzania. Giraffatitan was originally described by German paleontologist Werner Janensch in 1914 as a species of Brachiosaurus, B. brancai, but moved to its own genus in 2009. Three other species of Brachiosaurus have been named based on fossils found in Africa and Europe; two are no longer considered valid, and a third has become a separate genus, Lusotitan.
The type specimen of B. altithorax is still the most complete specimen, and only a few other specimens are thought to belong to the genus, making it one of the rarer sauropods of the Morrison Formation. It is regarded as a high browser, possibly cropping or nipping vegetation as high as 9 meters (30 ft) off the ground. Unlike other sauropods, it was unsuited for rearing on its hindlimbs. It has been used as an example of a dinosaur that was most likely ectothermic because of its large size and the corresponding need for sufficient forage, but more recent research suggests it was warm-blooded. Among the most iconic and initially thought to be one of the largest dinosaurs, Brachiosaurus has appeared in popular culture, notably in the 1993 film Jurassic Park.
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Hello, do you have by change anything about the Lourinhanosaurus or the Lusotitan atalaiensis?
I tried to search your blog but I couldn't find anything, so wanted to check in
They're two species kinda unique to my country and I really like them
i haven’t heard of these two, but i’ll definitely look into them! they seem really neat! thank u for the suggestions :)
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Top 10 dinosaurs of Dinosaur Revolution.
Bonus No. 1 non-dinosaur:
#dinosaur revolution#dinosaurs#shunosaurus#lusotitan#eoraptor#cryolophosaurus#dinheirosaurus#troodon#protoceratops#torvosaurus#tyrannosaurus rex#allosaurus#mosasaur#mine#q
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youtube
Portugal during the late Jurassic was home to some of the most spectacular creatures to ever walk the Earth, from the colorful Draconyx to the enormous Lusotitan. But, this beauty was not without danger - fierce predators like Allosaurus and Torvosaurus also stalked these lands.
A short style experiment -- more like a brief ecology overview than a proper narrative short film.
#videos i made#short film#jurassic world evolution#dinosaurs#draconyx#allosaurus#supersaurus#miragaia#lusotitan#torvosaurus
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Is a genus of sauropod dinosaur that lived in North America during the Late Jurassic, about 154–153 million years ago. It was first described by American paleontologist Elmer S. Riggs in 1903 from fossils found in the Colorado River valley in western Colorado, United States. Riggs named the dinosaur Brachiosaurus altithorax; the generic name is Greek for "arm lizard", in reference to its proportionately long arms, and the specific name means "deep chest". Brachiosaurus is estimated to have been between 18 and 21 meters (59 and 69 ft) long; weight estimates range from 28.3 to 58 metric tons (31.2 and 64 short tons). It had a disproportionately long neck, small skull, and large overall size, all of which are typical for sauropods. Atypically, Brachiosaurus had longer forelimbs than hindlimbs, which resulted in a steeply inclined trunk, and a proportionally shorter tail. Brachiosaurus is the namesake genus of the family Brachiosauridae, which includes a handful of other similar sauropods. Most popular depictions of Brachiosaurus are in fact based on Giraffatitan, a genus of brachiosaurid dinosaur from the Tendaguru Formation of Tanzania. Giraffatitan was originally described by German paleontologist Werner Janensch in 1914 as a species of Brachiosaurus, B. brancai, but moved to its own genus in 2009. Three other species of Brachiosaurus have been named based on fossils found in Africa and Europe; two are no longer considered valid, and a third has become a separate genus, Lusotitan. The type specimen of B. altithorax is still the most complete specimen, and only a few other specimens are thought to belong to the genus, making it one of the rarer sauropods of the Morrison Formation. It is regarded as a high browser, possibly cropping or nipping vegetation as high as 9 meters (30 ft) off the ground. Unlike other sauropods, it was unsuited for rearing on its hindlimbs. It has been used as an example of a dinosaur that was most likely ectothermic because of its large size and the corresponding need for sufficient forage, but more recent research suggests it was warm-blooded. Among the most iconic and initially thought to be one of the largest dinosaurs, Brachiosaurus has appeared in popular culture, notably in the 1993 film Jurassic Park.
Herbivore
Brachiosaurus (c) Jurassic Park Art (c) reneg661
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"Eine klassische Jagdszene im Jura: Allosaurier greifen einen Lusotitan an" :(
#leave him alone he doesn't deserve this :(#they accidentally(?) sent me two posters and it tells what's going on on the back so i have both sides up#anyway there's a smaug and a charizard on here and I'm
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Lourinhanosaurus antunesi
By Ripley Cook
Etymology: Reptile from Lourinhã
First Described By: Mateus, 1998
Classification: Dinosauromorpha, Dinosauriformes, Dracohors, Dinosauria, Theropoda, Neotheropoda, Averostra, Tetanurae, Orionides
Status: Extinct
Time and Place: Between 153 and 150 million years ago, in the Kimmeridgian to Tithonian ages of the Late Jurassic
Lourinhanosaurus is known from the Sobral and Amoreira-Porto Novo Members of the Lourinhã Formation of Portugal
Physical Description: Lourinhanosaurus is a mysterious theropod - the bipedal predatory dinosaurs that evolved into such creatures as Tyrannosaurus and Allosaurus, and also birds! Lourinhanosaurus is mainly known from a partial skeleton, as well as many eggs and embryos! Despite this, we cannot figure out what type of theropod it definitely is. This was a fairly large dinosaur, at about 4.5 meters in length when reaching 17 years of age. It had long arms and legs, and a fairly large, bulky head. In short, it was a large predatory dinosaur - but so generic of one that we can’t pinpoint what kind!
As a moderately sized theropod, it’s very likely that it was covered in a coat of protofeathers; however, this cannot be exactly confirmed.
Diet: Lourinhanosaurus primarily fed on meat, especially larger herbivores.
Behavior: Lourinhanosaurus is known to have taken care of its young, which were found in nests with hundreds of eggs, indicating that multiple Lourinhanosaurus would all share the same nesting site. This kind of colonial nesting is fascinating, to say the least, as it’s not very common in theropods. This cooperative breeding may indicate that these were very social dinosaurs, living in large family groups and possibly hunting in these family groups.
In addition to that, Lourinhanosaurus was found with gastroliths - rocks in the stomach that helped to grind up food to make it easily digestible. Though many theropods have since been found with gastroliths, Lourinhanosaurus was the first! This means that it used these stones to help break apart the variety of meat that it would eat.
By Audrey Horn, CC BY-SA 4.0
Ecosystem: Lourinhanosaurus is from the Lourinhã Formation, a Late Jurassic environment eerily similar to the Morrison, but from across the burgeoning Atlantic Ocean! This was a large, semi-arid floodplain environment, dominated by cycads and coniferswhere numerous herds of sauropods would roam. Here, Lourinhanosaurus lived alongside other predatory dinosaurs such as Allosaurus, Ceratosaurus, Richardoestesia, and Torvosaurus, which would have been major competitors - if not predators - of Lourinhanosaurus. Sauropods included such dinosaurs as Lourinhasaurus, Lusotitan, Supersaurus, and Zby, though only the juveniles would have probably been viable food for Lourinhanosaurus. Ornithischians included the small runners Trimucrodon and Alocodon, which would have been excellent Lourinhanosaurus food; the armored dinosaurs Dracopelta, Dacentrurus, and Miragaia; and the ornithopods Draconyx, Dryosaurus, Eousdryosaurus, and Phyllodon. There were also mammals such as Docodonts and Dryolestoids.
Other: Lourinhanosaurus has been found to be a Carnosaur - so related to things like Allosaurus - or a Megalosaur - related to things like Megalosaurus - or a Coelurosaur - related to things like Tyrannosaurus. Maybe, one day, we’ll have an answer, but for now it’s still a Question!
~ By Meig Dickson
Sources under the Cut
Antunes M.T.; Taquet P.; Ribeiro V. (1998). "Upper Jurassic dinosaur and crocodile eggs from Paimogo nesting site (Lourinhã- Portugal)". Memórias da Academia de Ciências de Lisboa. 37: 83–100.
Antunes, Miguel Telles; Mateus, Octávio (2003). "Dinosaurs of Portugal". Comptes Rendus Palevol. 2: 77.
Benson, Roger B. J.; Carrano, Matthew T.; Brusatte, Stephen L. (2009). "A new clade of archaic large-bodied predatory dinosaurs (Theropoda: Allosauroidea) that survived to the latest Mesozoic". Naturwissenschaften. 97 (1): 71–8.
Carrano, Matthew T.; Benson, Roger B. J.; Sampson, Scott D. (2012). "The phylogeny of Tetanurae (Dinosauria: Theropoda)". Journal of Systematic Palaeontology. 10 (2): 211.
De Ricqlès, Armand; Mateus, Octávio; Antunes, Miguel Telles; Taquet, Philippe (2001). "Histomorphogenesis of embryos of Upper Jurassic Theropods from Lourinhã (Portugal)". Comptes Rendus de l'Académie des Sciences, Série IIA. 332 (10): 647.
Hendrickx, Christophe; Mateus, Octávio (2014). "Torvosaurus gurneyi n. sp., the Largest Terrestrial Predator from Europe, and a Proposed Terminology of the Maxilla Anatomy in Nonavian Theropods". PLoS ONE. 9 (3): e88905.
Mateus, I; Mateus, H; Antunes, MT; Mateus, O; Taquet, P; Ribeiro, V; Manuppella, G (1998). "Upper Jurassic theropod dinosaur embryos from Lourinhã (Portugal)". Memórias da Academia das Ciências de Lisboa. 37: 101–10.
Mateus, O (1998). "Lourinhanosaurus antunesi, a new Upper Jurassic allosauroid (Dinosauria: Theropoda) from Lourinhã (Portugal)". Memórias da Academia de Ciências de Lisboa. 37: 111–24.
Mateus, O; Antunes, M.T.; Taquet, P. (2001). "Dinosaur ontogeny : the case of Lourinhanosaurus (Late Jurassic, Portugal)". Journal of Vertebrate Paleontology. 21 (supplement to 3): 78A.
Mateus, O., Walen, A., and Antunes, M.T. (2006). "The Large Theropod Fauna of the Lourinha Formation (Portugal) and its Similarity to the Morrison Formation, With a Description of a New Species of Allosaurus" Archived 2012-04-20 at the Wayback Machine in: Foster, J.R. and Lucas, S. G. R.M., eds., Paleontology and Geology of the Upper Jurassic Morrison Formation. New Mexico Museum of Natural History and Science Bulletin 36.
Mateus, O., Mannion P. D., & Upchurch P. (2014). "Zby atlanticus, a new turiasaurian sauropod (Dinosauria, Eusauropoda) from the Late Jurassic of Portugal". Journal of Vertebrate Paleontology. 34 (3): 618–634.
Waskow, Katja; Mateus, Octavio (2017). "Dorsal rib histology of dinosaurs and a crocodylomorph from western Portugal: Skeletochronological implications on age determination and life history traits". Comptes Rendus Palevol. 16: 425–439.
#Lourinhanosaurus#Lourinhanosaurus antunesi#Theropod#Dinosaur#Palaeoblr#Factfile#Dinosaurs#Prehistoric Life#Paleontology#Prehistory#Jurassic#Eurasia#Theropod Thursday#biology#a dinosaur a day#a-dinosaur-a-day#dinosaur of the day#dinosaur-of-the-day#science#nature
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Torvosaurus gurneyi hunt by Xiphactinus
#Torvosaurus#Theropod#Lusotitan#Sauropod#Dinosaurs#Art#Artwork#Extinct#Prehistoric#Mesozoic#Jurassic
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Tenth anniversary of the second episode of Dinosaur Revolution, “The Watering Hole.” Premiered September 4th, 2011.
#dinosaur revolution#dinosaurs#allosaurus#torvosaurus#dinheirosaurus#lusotitan#miragaia#jurassic period#mine
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Lusotitan atalaiensis
Source: http://www.taringa.net/posts/ciencia-educacion/15864740/Los-braquiosaurios.html
Name: Lusotitan atalaiensis
Name Meaning: Lusitanian Giant
First Described: 2003
Described By: Antunes & Mateus
Classification: Dinosauria, Saurischia, Eusaurischia, Sauropodomorpha, Plateosauria, Massopoda, Sauropodiformes, Anchisauria, Sauropoda, Gravisauria, Eusauropoda, Neosauropoda, Macronaria, Camarasauromorpha
Lusotitan is a macronarian that has been listed in a variety of different clads, but all it can really be put into with any sort of confidence is Camarasauromorpha, though its often listed in Brachiosauridae. It is known from a partial skeleton, including the skull; it is estimated to have been about 25 meters long, and it had very long forearms. It was originally named a species of Brachiosaurus, but eventually it was described as its own genus. It was found in the Lourinhã Formation of Portugal, dating back to the Tithonian age of the Late Jurassic. It was a very vibrant community of organisms, similar to the Tendaguru and Morrison formations. It was a coastal region with strong marine influences. It was the largest dinosaur in the area, living alongside Allosaurus, Ceratosaurus, Lourinhanosaurus, Torvosaurus, Dracopelta, Dinheirosaurus, Lourinahsaurus, Dacentrurus, and Miragaia.
Source:
https://en.wikipedia.org/wiki/Lusotitan
Shout out goes to several-nerd!
#lusotitan#lusotitan atalaiensis#sauropod#prehistoric life#dinosaur#paleontology#prehistory#dinosaurs#biology#a dinosaur a day#a-dinosaur-a-day#dinosaur of the day#several-nerd#dinosaur-of-the-day#science#nature#factfile
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