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“stercomariums”
A species of protozoan the shells of which become calcium carbonate: "The fine sand on the beach was really composed of Sarcodina; the beach could technically be considered a stercomarium, a storage place for Sarcodina."
This entry is located in the following units:
-arium (s), -aria (pl)
(page 3)
stercor-, sterco-, sterc- +
(page 1)