Clam With a Hard Shell
This page is the CodyCross answer for the clue below from Nordic Wonders, Group 1951, Puzzle 4 (Icelandic Horses).
Question is: Clam With a Hard Shell
and the answer is: QUAHOG
Word Meaning:
QUAHOG — An edible clam with a hard shell found along the Atlantic Coast of North America, from species Mercenaria mercenaria, formerly Venus mercenaria.
Definitions from Wiktionary.