Dinosaur Names that Start with “A”

Check out the alphabetical list of dinosaur names beginning with the letter “A.” We’ll look at dinosaur pictures and discuss what their names mean, as well as learn more about dinosaur facts.

Dinosaurs with names that begin with the letter “A”

Contents for Dinosaur Names that Start with “A”


Abditosaurus was a sauropod that existed in what is now Spain during the Late Cretaceous period. Abditosaurus is reported to have measured 17.5 metres (57 feet) in length and weighed 14 tonnes (15 short tons). Bernata Vila and colleagues named and described it in 2022.

The name Abditosaurus is derived from the Latin word abditus, which means “abditus” (“hidden”). This is a reference to the fact that Abditosaurus’ remains were discovered in 1954 and then forgotten for the next 60 years. Prof. Walter Georg Kuehne, the holotype’s discoverer, is honoured with the genre epithet.



Abelisaurus was a predatory abelisaurid theropod dinosaur that lived in what is now South America during the Late Cretaceous Period (Campanian). Abelisaurus comahuensis means “Abel’s body from the Comahue region.”

The name recognises the membership – prof. Roberto Abela, director of the Museo de Cipolleti, where it is published as a holotype.


Abrictosaurus was a tiny dinosaur that existed from the late Triassic to the early Jurassic. Abrictosaurus was discovered in South Africa’s Lesotho red sandstone.

Abrictosaurus (from the Greek (abriktos) meaning ‘wakeful’ and (sauros) meaning ‘lizard’) alludes to Hopson’s disagreement with Thulborn’s idea that heterodontosaurids hibernated during hot and/or dry seasons.


Abrosaurus is a macronarian sauropod dinosaur genus discovered at the Dashanpu Quarry in China’s Sichuan Province during the Middle Jurassic Period.

The generic name alludes to the structure of the skull, which consists of huge holes divided by thin bone struts. The sole identified species is A. dongpoi, which is named after the Sichuan-born poet Su Shi, also known as Su Dongpo, from the eleventh century.


Abydosaurus was an Early Cretaceous brachiosaurid sauropod that lived in what is now Utah.

The generic name was formed by combining the Greek terms sauros (lizard) and Abydos – a Nile city (now El Araba el Madfuna) that was to be the burial location of Osiris – the Egyptian god of life, death, and fertility. This is a reference to the Abydosaurus holotype, the skull and neck of which were discovered in a quarry overlooking the Green River. The name recognises John “Jack” McIntosh for his contributions to the Dinosaur National Monument and sauropod study.



Acantholipan was a four-legged armoured herbivorous dinosaur that lived in North America during the Late Cretaceous period.

Acantholipan derives its name from the Greek term acanthus, which means “spike,” and the Spanish Lápai-Ndé, which refers to the Apache tribe who lived near the discovery location. Arturo H. Gonzalez González is honoured by the gonzalezi species epithet for his contributions to Mexican palaeontology.

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Written by James

James has always been intrigued by dinosaurs, the universe, technology, and animals. With a Bachelor of Computer Science and years of writing expertise, he joined World Amazing Facts in 2021 as a staff writer.

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The A-Z list of Dinosaur Names and Pictures

Dinosaur Names that Start with “B”