Medium to very coarse shell hash including polychaetes (chitinous worm tbes), bryozoans, pelecypods, echinoids, sponges, tunicates, one small piece coral, egg cases, coquina.
Cite the IMLGS database as: Curators of Marine and Lacustrine Geological Samples Consortium. The Index to Marine and Lacustrine Geological Samples (IMLGS). National Geophysical Data Center, NOAA. doi:10.7289/V5H41PB8 [date of access].