Bivalve Shell
Molluscs | Kunihiko Kasahara |  Origami Omnibus by Kunihiko Kasahara (read full review)
| 270 | Square | |
Scallop shell
Molluscs | Toshio Chino |  The Magic of Origami by Alice Gray and Kunihiko Kasahara
| 49 | Square | |
Sea shell
Molluscs | Toshio Chino | The Magic of Origami by Alice Gray and Kunihiko Kasahara
| 48 | Square | |
Seashell 1
Molluscs | Kunihiko Kasahara |  Latest Small Encyclopedia of Origami by Kunihiko Kasahara
| 39 | Square | |
Seashell 2
Molluscs | Kunihiko Kasahara | Latest Small Encyclopedia of Origami by Kunihiko Kasahara
| 40 | Square | |
Shell
Molluscs | Jun Maekawa |  Fun Origami for All by Kunihiko Kasahara
| 94 | Square | |
Shell
Molluscs | Kunihiko Kasahara |  All Easy Origami by Kunihiko Kasahara
| 88 | Square | |
Shell
Molluscs | Kunihiko Kasahara | Fun Origami for All by Kunihiko Kasahara
| 95 | Rectangle - 1X2 | |
Shell
Molluscs | Kunihiko Kasahara | Fun Origami for All by Kunihiko Kasahara
| 93 | Square | |
Shell
Molluscs | Kunihiko Kasahara | Fun Origami for All by Kunihiko Kasahara
| 220 | Square | |
Shell
Molluscs | Kunihiko Kasahara |  Joy of Origami by Kunihiko Kasahara (read full review)
| 114 | Square | |
Shell
Molluscs | Kunihiko Kasahara |  Origami El Mundo Nuevo by Kunihiko Kasahara (read full review)
| 92 | Square | |
Shell
Molluscs | Kunihiko Kasahara |  Wonderful Origami by Kunihiko Kasahara (read full review)
| 60 | Square | |
Shell - murex
Molluscs | Toshikazu Kawasaki |  Origami for the Connoisseur by Kunihiko Kasahara and Toshie Takahama (read full review)
| 148 | Square
With cuts | 
Folded by Gabriel Vong |
Shell - sea snail
Molluscs | Toshikazu Kawasaki | Origami for the Connoisseur by Kunihiko Kasahara and Toshie Takahama (read full review)
| 144 | Square | 
Folded by Yoshiaki Ichikawa |
Shell - spiral - 1 opening
Molluscs | Toshikazu Kawasaki | Origami El Mundo Nuevo by Kunihiko Kasahara (read full review)
| 106 | Square | 
Folded by Ondrej and Radim Cibulka |
Shell - spiral - 4 openings
Molluscs | Toshikazu Kawasaki | Origami for the Connoisseur by Kunihiko Kasahara and Toshie Takahama (read full review)
| 140 | Square | 
Folded by Gabriel Vong |
Shellfish
Molluscs | Kunihiko Kasahara |  Cute! Cool! Beautiful! Animal Origami Book by Kunihiko Kasahara (read full review)
| 122 | Rectangle - 1X2
2 units | |
Univalve Shell
Molluscs | Kunihiko Kasahara | Origami Omnibus by Kunihiko Kasahara (read full review)
| 268 | Square | |
Univalve shell
Molluscs | Kunihiko Kasahara | Origami Omnibus by Kunihiko Kasahara (read full review)
| 216 | Rectangle - 1X2 | 
Folded by Lou Pearson |
