arca
/ˈɑːrkə/
nounA genus of marine bivalve mollusks, commonly known as ark clams, with thick ribbed shells.
“The Arca shell is often found buried in sandy ocean floors.”
Synonyms: ark clam, bivalve, mollusk
A genus of marine bivalve mollusks, commonly known as ark clams, with thick ribbed shells.
“The Arca shell is often found buried in sandy ocean floors.”