Shells, Scales, and Armor

Rows and columns start at 1. Each word lists its first and last letter.

• COPPERHEAD: row 9, column 5 → row 9, column 14
• RHINOCEROS: row 13, column 9 → row 13, column 18
• SIDEWINDER: row 2, column 7 → row 11, column 16
• TRILOBITE: row 1, column 12 → row 9, column 12
• CHAMELEON: row 6, column 17 → row 14, column 17
• ANACONDA: row 5, column 2 → row 12, column 9
• PLASTRON: row 4, column 5 → row 11, column 12
• NAUTILUS: row 6, column 18 → row 13, column 18
• CARAPACE: row 13, column 3 → row 6, column 10
• TERRAPIN: row 4, column 3 → row 11, column 10
• PLATING: row 11, column 11 → row 5, column 17
• CTENOID: row 9, column 5 → row 3, column 11
• SARDINE: row 3, column 15 → row 9, column 15
• DEFENSE: row 15, column 3 → row 9, column 9
• ABALONE: row 5, column 2 → row 11, column 2
• SCALLOP: row 12, column 7 → row 12, column 13
• BIVALVE: row 3, column 6 → row 9, column 12
• LOBSTER: row 8, column 1 → row 14, column 7
• KERATIN: row 14, column 11 → row 14, column 17
• GANOID: row 6, column 1 → row 11, column 6
• CHITON: row 1, column 9 → row 1, column 14
• OYSTER: row 2, column 5 → row 2, column 10
• BEETLE: row 11, column 15 → row 16, column 15
• CAIMAN: row 1, column 18 → row 6, column 18
• MUSSEL: row 15, column 10 → row 15, column 15
• PYTHON: row 1, column 3 → row 6, column 8
• ARMOR: row 12, column 9 → row 16, column 9
• SPINE: row 3, column 16 → row 7, column 16
• WHELK: row 14, column 2 → row 14, column 6
• CONCH: row 12, column 8 → row 16, column 8
• SCUTE: row 3, column 3 → row 7, column 7
• SHELL: row 16, column 13 → row 16, column 17
• SKINK: row 1, column 4 → row 1, column 8
• SCALE: row 11, column 1 → row 15, column 1
• SNAIL: row 11, column 1 → row 7, column 5