A Type of Red Algae Native to Atlantic Shorelines

This page is the CodyCross answer for the clue below from Mesopotamia, Group 968, Puzzle 5 (Between Two Rivers).

Question is: A Type of Red Algae Native to Atlantic Shorelines

and the answer is: SEAMOSS

Word Meaning:

SEA MOSS — Any marine organism resembling moss

Definitions from Wiktionary.