Dinosaurs A to Z
Dinosaurs that start with A
146 dinosaur names start with A, from Aardonyx to Avimimus. The best known are Allosaurus, Ankylosaurus and Argentinosaurus.
From the field
Famous A dinosaurs
All 146 A dinosaurs
- Aardonyx
- Abdarainurus
- Abditosaurus
- Abelisaurus
- Abrictosaurus
- Abrosaurus
- Abydosaurus
- Acantholipan
- Achelousaurus
- Acheroraptor
- Achillesaurus
- Achillobator
- Acristavus
- Acrocanthosaurus
- Acrotholus
- Actiosaurus
- Adamantisaurus
- Adasaurus
- Adelolophus
- Adeopapposaurus
- Adratiklit
- Adynomosaurus
- Aegyptosaurus
- Aeolosaurus
- Aepyornithomimus
- Aerosteon
- Afromimus
- Afrovenator
- Agilisaurus
- Agnosphitys
- Agujaceratops
- Agustinia
- Ahshislepelta
- Ahshislesaurus
- Ahvaytum
- Ajkaceratops
- Ajnabia
- Akainacephalus
- Alamosaurus
- Alaskacephale
- Albalophosaurus
- Albertaceratops
- Albertadromeus
- Albertavenator
- Albertonykus
- Albertosaurus
- Albinykus
- Alcovasaurus
- Alectrosaurus
- Aletopelta
- Alioramus
- Allosaurus
- Almas
- Alnashetri
- Alpkarakush
- Altirhinus
- Altispinax
- Alvarezsaurus
- Alwalkeria
- Alxasaurus
- Amanasaurus
- Amanzia
- Amargasaurus
- Amargatitanis
- Amazonsaurus
- Ambopteryx
- Ampelognathus
- Ampelosaurus
- Amphicoelias
- Amtocephale
- Amurosaurus
- Amygdalodon
- Anabisetia
- Analong
- Anasazisaurus
- Anchiceratops
- Anchiornis
- Anchisaurus
- Andesaurus
- Angaturama
- Angolatitan
- Angulomastacator
- Anhuilong
- Aniksosaurus
- Animantarx
- Ankylosaurus
- Anodontosaurus
- Anomalipes
- Anoplosaurus
- Anserimimus
- Antarctopelta
- Antarctosaurus
- Anteavis
- Antetonitrus
- Anzu
- Aoniraptor
- Aorun
- Apatoraptor
- Apatosaurus
- Appalachiosaurus
- Aquilarhinus
- Aquilops
- Arackar
- Aragosaurus
- Aralosaurus
- Aratasaurus
- Archaeoceratops
- Archaeocursor
- Archaeodontosaurus
- Archaeornithoides
- Archaeornithomimus
- Arcovenator
- Arcusaurus
- Ardetosaurus
- Arenysaurus
- Argentinosaurus
- Argyrosaurus
- Aristosuchus
- Arkansaurus
- Arrhinoceratops
- Arrudatitan
- Asfaltovenator
- Asiaceratops
- Asiatyrannus
- Asilisaurus
- Astigmasaura
- Astrophocaudia
- Asylosaurus
- Atacamatitan
- Athenar
- Atlasaurus
- Atlascopcosaurus
- Atrociraptor
- Atsinganosaurus
- Aucasaurus
- Augustynolophus
- Auroraceratops
- Australodocus
- Australovenator
- Austrocheirus
- Austroposeidon
- Austroraptor
- Austrosaurus
- Avaceratops
- Aviatyrannis
- Avimimus