PERIOSTRACUM the horny outer layer of a molluscs shell

PERIOSTRACUM the horny outer layer of a molluscs shell
Crossword Clue
**We have found 4 answers to crossword clue "PERIOSTRACUM the horny outer layer of a molluscs shell"**
**The Best Answer: 10/10**
Answer	Crossword Clue
periostracums	PERIOSTRACUM, the horny outer layer of a mollusc's shell
periostracum	the horny outer layer of a mollusc's shell
rhamphotheca	the horny or leathery outer layer of a bird's bill

rhamphothecae	RHAMPHOTHECA, the horny or leathery outer layer of a bird's bill

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

PERIOSTRACUM the horny outer layer of a molluscs shellCrossword Clue