Glossus humanus, the oxheart clam, is a species of species of marine clam found in deepwater off the Atlantic coastline of Europe and Northern Africa.

The outer surface usually is dark brown or olive green, with fine radial lines and frequently covered with short hairs.

Glossus humanus lives half buried into the substratum, exposing only the lower margin of the shell and the siphon.

Right and left valve of the same specimen: This species can be found in the eastern Atlantic Ocean from Iceland and Norway to Morocco, Mediterranean Sea and Adriatic Sea.

This species occurs in soft muddy or sandy substrates, from depths of 7 m up to 250 m, but more frequently below 50 m.