Fish
Fish | Chris Heynen |  Czech Origami Convention 2012
| 158 | Square | |
Flying ghost
Imaginary beings | Chris Heynen |  Reference Fold 1 by Joshua Goutam
| 17 | Square
Crease pattern | |
Frog
Amphibians | Chris Heynen |  Bogota Origami Convention 2015
| 124 | Square | |
Frog
Amphibians | Chris Heynen |  Tanteidan 27th convention
| 179 | Square | |
Frog
Amphibians | Chris Heynen |  Pajarita Magazine 119 | 25 | Square | 
Folded by Pere Olivella |
Jellyfish
Cnidarians - Anemones and Jellyfish | Chris Heynen | Czech Origami Convention 2012
| 104 | Square | |
Jellyfish
Cnidarians - Anemones and Jellyfish | Chris Heynen |  Tanteidan 18th convention (read full review)
| 226 | Square | |
Leatherback sea turtle
Reptiles - Turtles | Chris Heynen |  Czech Origami Convention 2013
| 140 | Square | |
Leatherback sea turtle
Reptiles - Turtles | Chris Heynen |  Tanteidan 19th convention (read full review)
| 178 | Square | |
Lizard
Reptiles | Chris Heynen |  Czech Origami Convention 2015
| 396 | Square | |
Lizard
Reptiles | Chris Heynen |  Tanteidan 21st convention (read full review)
| 194 | Square | |
Slug
Molluscs | Chris Heynen |  Bogota Origami Convention 2014
| 249 | Square | |
Slug
Molluscs | Chris Heynen |  Czech Origami Convention 2014
| 175 | Square | |
