Apatosaurus by Kunihiko Kasahara

Diagrams in Cute! Cool! Beautiful! Animal Origami Book by Kunihiko Kasahara
Folded from a square of reptile-origami paper

Apatosaurus by Steve Biddle

Diagrams in The New Origami by Steve and Megumi Biddle
Folded from a square of Golden River Leather paper

Apatosaurus by Takai Hiroaki

Diagrams in NOA Magazine 219
Folded from a square of Golden River Leather paper

Archaeopteryx by Seiji Nishikawa

Diagrams in Works of Seiji Nishikawa by Seiji Nishikawa
Folded from a square of Fadeless paper

Barosaurus by Satoshi Kamiya

Diagrams in Tanteidan 6th convention
Diagrams in Works of Satoshi Kamiya 1995-2003 by Satoshi Kamiya
Folded from a square of Trimaco masking paper

Brachiosaurus by Akira Yoshizawa

Diagrams in Origami: Living Nature by Akira Yoshizawa
Folded from a square of scrapbooking paper

Brachiosaurus by John Montroll

Diagrams in Dinosaur Origami by John Montroll
Folded from a square of speckle-design origami paper

Brontosaurus or Apatosaurus by Issei Yoshino

Diagrams in Issei Super Complex Origami by Issei Yoshino
Diagrams in Origami Tanteidan Magazine 1
Folded from a square of Dinosaur origami paper

Iguanodon by Akira Yoshizawa

Diagrams in Akira Yoshizawa Origami - Exhibition Catalog by Akira Yoshizawa
Diagrams in Antologia di Origami Animali by Akira Yoshizawa
Diagrams in Origami Museum 1: Animals by Akira Yoshizawa
Folded from a square of reptile dark brown scrapbooking paper