Theropoda

Ancient Greek θήρ (thḗr, “beast, fantastic animal”) + πούς (poús, “foot/feet”)

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A taxonomic suborder within the order Saurischia – a group of bipedal dinosaurs, theropods, ancestral to birds.

Neotheropoda

†Liliensternus; †Tachiraptor, †Zupaysaurus, †Shuangbaisaurus - genera in Neotheropoda


Tyrannosaurus

From Ancient Greek τύραννος (túrannos, “tyrant”) + σαῦρος (saûros, “lizard”).

A taxonomic genus within the family Tyrannosauridae – tyrannosaurs.


Tyrannosaurus rex

head

Tyrannosaurus rex m (plural Tyrannosauri reges)

†Tyrannosaurus rex (canonical masculine)
Tyrannosauri reges (plural)

A taxonomic species within the family Tyrannosauridae – a large carnivorous dinosaur.


Stegosaurus

From Ancient Greek στέγος (stégos, “roof”) + σαῦρος (saûros, “lizard”).

A taxonomic genus within the family Stegosauridae – herbivorous dinosaurs distinguished by the plates on their backs.


Pachycephalosaurus

From Ancient Greek παχύς (pakhús, “thick”) + κεφαλή (kephalḗ, “head”) + σαῦρος (saûros, “lizard”)

Pachycephalosaurus wyomingensis
Pachycephalosaurus wyomingensis

A taxonomic genus within the family Pachycephalosauridae – a dinosaur that lived during the Late Cretaceous period (Maastrichtian faunal stage) of what is now North America.. Currently contains only the species Pachycephalosaurus wyomingensis


Gallimimus

A taxonomic genus within the family Ornithomimidae – a Cretaceous dinosaur believed capable of running very fast.


Abelisauridae

A taxonomic family within the order Saurischia – a group of dinosaurs.


Abrosaurus

From Ancient Greek ἁβρός (habrós, “delicate”) + σαῦρος (saûros, “lizard”).

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A taxonomic genus within the taxon Saurischia – a macronarian dinosaur from the Middle Jurassic of China.


Diplodocus

From Ancient Greek διπλός (diplós, “double”) and δοκός (dokós, “beam”).

A taxonomic genus within the family Diplodocidae – the diplodocus.


Maiasaura

From Ancient Greek μαῖα (maîa, “caring mother”) + -saura; there is evidence that they nurtured their young in the nest.

A taxonomic genus within the family Hadrosauridae – large duck-billed dinosaurs of North America that lived in the Campanian period.


Mamenchisaurus

From Mandarin 馬門溪／马门溪 (Mǎménqī, literally “horse-gate brook”), Wade–Giles romanization: Ma³-mên²-chʻi¹ + -saurus. It was intended to name the reptile after the place where its fossil was first found — a construction site next to Mamingxi (馬鳴溪／马鸣溪 (Mǎmíngxī, literally “horse-neighing brook”)) Ferry Crossing by the Jinsha River (the westernmost major headwater stream of the Yangtze River), near Yibin in Sichuan Province of China. However, due to a mix-up by Young, the location name Mamingxi was mistaken as Mamenxi.

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The biggest star of the exhibit is a detailed model of a 60-foot-long Mamenchisaurus (pronounced mah-MUN-key-sore-us). “It’s a very long-necked animal from China,” said Mark Norell of the museum’s paleontology department. Its neck was 30 feet long!

2011 May 30, “Big dinosaur exhibit at natural history museum”, in The Washington Post, →ISSN, →OCLC, archived from the original on 2023-11-29, Style:

Another important element of the discovery is the environment where Kryptodrakon lived. This was a river-dominated ecosystem far from the ocean in a region teeming with life, including a fearsome dinosaur predator called Sinraptor and a gigantic plant-eating dinosaur named Mamenchisaurus that boasted one of the longest necks of any creature yet to walk the planet.

2014 April 26, “Gobi desert reveals modest ancestor of gigantic flying reptiles”, in South China Morning Post, →ISSN, →OCLC, archived from the original on 2014-04-26, World:

To determine how Mamenchisaurus managed a neck as long as a semi-truck trailer, Dr. Moore and colleagues used a CT scanner to analyze the animal’s vertebrae. Instead of being stuffed with heavy marrow and tissue while the dinosaur was living, the interior of the sauropod’s vertebrae were filled with large air pockets similar to those found in modern birds like storks and swans. These empty pockets accounted for up to 77 percent of each bone’s volume, vastly decreasing the weight of Mamenchisaurus’s spine.

2023 March 15, Jack Tamisiea, “It’s Not a Stretch: This Dinosaur Had a 50-Foot Neck”, in The New York Times, →ISSN, →OCLC, archived from the original on 2023-03-15, Science:

The dinosaurs evolved a few ways to manage their unwieldy necks. Researchers used CT scans to find that most of the vertebrae’s volume—about 69 to 77 percent—was air, similar to the vertebrae of some birds. Such air-filled bones would be lighter, making it easier for the Mamenchisaurus to hold up its giant neck, per the statement.

2023 March 17, Will Sullivan, “This Dinosaur Had a 50-Foot-Long Neck, Scientists Say”, in Smithsonian Magazine, archived from the original on 2023-03-20:

A taxonomic genus within the family Mamenchisauridae – a large herbivorous sauropod dinosaur, with an exceptionally long neck, which lived during the Jurassic period.


Carcharodontosaurus

From Ancient Greek κάρχαρος (kárkharos, “sharp, jagged”) + ὀδών (odṓn, “tooth”) + -saurus.

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A taxonomic genus within the family Carcharodontosauridae – carcharodontosaurid dinosaurs.


Abelisaurus

From the discoverer's name, Roberto Abel, + -saurus (“lizard”), meaning “Abel's lizard”.
Abel + -i- + -saurus

A taxonomic genus within the clade Saurischia – a ceratosaur dinosaur from the Late Cretaceous of Argentina.

Abelisaurus comahuensis - sole species (1 specimen)


Alamosaurus

From Ojo Alamo + Ancient Greek σαῦρος (saûros, “reptile”).

A taxonomic genus within the family Saltasauridae.


Titanosaurus

From Ancient Greek Τιτάν (Titán, “Titan”) + σαῦρος (saûros, “lizard”).

A taxonomic genus within the family Titanosauridae.


Brachiosaurus

A taxonomic genus within the family Brachiosauridae – brachiosauruses.


Sauroposeidon

From Ancient Greek σαῦρος (saûros, “lizard”) + Ποσειδῶν (Poseidôn, “Poseidon, god of earthquakes”).

A taxonomic genus within the family Brachiosauridae – a sauropod dinosaur from the Early Cretaceous of the United States.


Coelurosauria

From New Latin Coelurosauria, from Ancient Greek κοῖλος (koîlos, “hollow”) + οὐρά (ourá, “tail”) + σαύρα (saúra, “lizard”) + -ia.

A taxonomic clade within the clade Avetheropoda – all animals closer to birds than to Allosaurus.


Aardonyx

From Afrikaans aarde (“earth”) and Ancient Greek ὄνυξ (ónux, “nail, claw”), in reference to the hematite encrusting the claws of its fossils.

A taxonomic genus within the clade Saurischia – a sauropodomorph dinosaur from the Early Jurassic of South Africa.


Spinosaurus

New Latin, from Latin spīna (“spine”) + Ancient Greek σαῦρος (saûros, “lizard”).

A taxonomic genus within the family Spinosauridae – spinosaurs.


Abydosaurus

From Abydos, Egypt and + -saurus, named in reference to how only the head and neck were found, analogous to a myth about the Egyptian god Osiris, whose head and neck were buried at Abydos.

A taxonomic genus within the clade Saurischia – a macronarian dinosaur from the Cretaceous of Utah.


Achelousaurus

From Ancient Greek Ἀχελῷος (Akhelôios, “Achelous, a Greek shapeshifting deity”) + -saurus, named by Scott Sampson in 1994 in reference to its transitional combination of nasal boss and frill horns, reminiscent of a myth where Achelous transformed into a bull and had his horn broken off by Hercules.

A taxonomic genus within the family Ceratopsidae – a ceratopsian dinosaur from the Cretaceous of North America.


Acanthopholis

From Ancient Greek ἄκανθα (ákantha, “thorn”) + φολίς (pholís, “scale”), named by Thomas Henry Huxley in 1867 in reference to its armor.

A taxonomic genus within the family Nodosauridae – an ankylosaurian dinosaur from the Cretaceous of England.


Achillesaurus

From Latin Achilles (from Ancient Greek Ἀχιλλεύς (Akhilleús)) + -saurus, named by Agustín Martinelli and Ezequiel Vera in 2007 in reference to the Achilles heel, because the diagnostic features were found on the heel.

A taxonomic genus within the family Alvarezsauridae – a theropod dinosaur from the Cretaceous of Argentina.


Achillobator

From Latin Achilles (from Ancient Greek Ἀχιλλεύς (Akhilleús)) + Mongolian баатар (baatar, “hero”), named by Altangerel Perle in 1999 in reference to the Achilles tendon, which powered its sickle-shaped claws.

A taxonomic genus within the family Dromaeosauridae – a theropod dinosaur from the Cretaceous of Mongolia.


Abrictosaurus

From Ancient Greek ἄβρικτος (ábriktos, “wakeful”) + -saurus, named by James Hopson in 1975 in opposition to a hypothesis that heterodontosaurids aestivated.

A taxonomic genus within the family †Heterodontosauridae – an ornithischian dinosaur from the Jurassic of South Africa and Lesotho.


Acristavus

From a- (“not”) + Latin crista (“crest”) + avus (“grandfather”).

A taxonomic genus within the family Hadrosauridae – a saurolophine dinosaur from the Cretaceous of the United States.


Pseudomegaloolithus

A taxonomic oogenus within the oofamily Megaloolithidae – fossil eggs of a certain dinosaur first described from the Cretaceous of Morocco.


Ankylosaurinae

A taxonomic subfamily within the family Ankylosauridae – ankylosaurine dinosaurs.


Ankylosaurus

From Ancient Greek ἀγκύλος (ankúlos, “crooked, bent”) + -saurus.

A taxonomic genus within the family Ankylosauridae – ankylosaurus, an armored dinosaur from the Cretaceous of Western North America.


Borogovia

From English borogove (“a fictional creature invented by Lewis Carroll”) + -ia.

A taxonomic genus within the family Troodontidae – a theropod dinosaur from the Late Cretaceous of Mongolia.


Pakisaurus

After Pakistan (taking the first element, which is from Urdu پاک (pāk, “pure”)) + -saurus.

A taxonomic genus within the family Titanosauridae – a sauropod dinosaur from the Late Cretaceous of Pakistan.


Anchisaurus

A taxonomic genus within the clade Anchisauria – a basal sauropodomorph dinosaur of the Early Jurassic Period.


Suchomimus

A taxonomic genus within the family Spinosauridae – a theropod dinosaur from the Early Cretaceous of Niger.


Ulughbegsaurus

A genus of dinosaur that lived around 90 million years ago.


Pentaceratops

A taxonomic genus within the family Ceratopsidae – the extinct pentaceratops.


Abdarainurus

From Abdarain Nuru, the Russian name of the location the fossil was found, and Ancient Greek οὐρά (ourá, “tail”), because it is only known from tail bones.

A taxonomic genus within the clade Saurischia – a titanosaur dinosaur from the Late Cretaceous of Mongolia.


Abditosaurus

From Latin abditus (“hidden, concealed, forgotten”), and Ancient Greek σαῦρος (saûros, “lizard”), because its fossils were described sixty-eight years after they were discovered.

A taxonomic genus within the clade Saurischia – a titanosaur dinosaur from the Late Cretaceous of Spain.


Acantholipan

From Ancient Greek ἄκανθα (ákantha, “thorn, spine”) and English Lipan, referring to its armor and the Lepai-Nde tribe who live in the area its fossils were found.

A taxonomic genus within the clade Ornithischia – a nodosaurid dinosaur from the Cretaceous of Mexico.


Adasaurus

From Ada, a spirit in Mongolian mythology + -saurus.

A taxonomic genus within the clade Saurischia – a deinonychosaur dinosaur from the Cretaceous of Mongolia.


Acrotholus

From Ancient Greek ἄκρος (ákros, “high”) and Ancient Greek θόλος (thólos, “dome”), referring to its tall head dome.

A taxonomic genus within the clade Ornithischia – a pachycephalosaur dinosaur from the Cretaceous of Canada.


Adamantisaurus

From the Adamantina Formation where it was found + -saurus

A taxonomic genus within the clade Saurischia – a titanosaur dinosaur from the Cretaceous of Brazil.


Acheroraptor

From Ancient Greek Ἀχέρων (Akhérōn, “Acheron, the river of pain in Greek mythology”) and Latin raptor (“thief”), named in reference to being a dromaeosaurid discovered in the Hell Creek Formation.

A taxonomic genus within the clade Saurischia – a deinonychosaur dinosaur from the Cretaceous of Montana.


Acrocanthosaurus

From Ancient Greek ἄκρος (ákros, “high”) Ancient Greek ἄκανθος (ákanthos, “spine, thorn”) + Ancient Greek σαῦρος (saûros, “lizard”), referring to the tall spines on its back.

A taxonomic genus within the clade Saurischia – an allosauroid dinosaur from the Cretaceous of the United States.


Adelolophus

From Ancient Greek ἄδηλος (ádēlos, “invisible”) and Ancient Greek λόφος (lóphos, “crest”), in reference to the lack of a preserved crest.

A taxonomic genus within the clade Ornithischia – a hadrosaur dinosaur from the Cretaceous of Utah.


Adeopapposaurus

From Latin adeo (“so much”), Ancient Greek λόφος (lóphos, “eat”), and. Ancient Greek σαῦρος (saûros, “lizard”), intended to mean “far-eating lizard”, a reference to its long neck.

A taxonomic genus within the clade Saurischia – a sauropodomorph dinosaur from the Jurassic of Argentina.


Giganotosaurus

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→ Chinese: 南方巨獸龍／南方巨兽龙 (nánfāngjùshòulóng) (calque)

→ English: giganotosaurus

From New Latin giga- (“large”) + New Latin noto- (“southern”) + -saurus (“lizard”).

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A taxonomic genus within the family Carcharodontosauridae – the giganotosaurus, Giganotosaurus carolinii.


Aviatyrannis

Possibly from Latin avia (“grandmother”) + Latin tyrannis (“tyrant”, genitive noun).

A taxonomic genus within the clade Coelurosauria.