in Molpadiida, [569];

in Dendrochirota, [569];

of calyx in Antedon rosacea, [582], [584], [585];

in Crinoidea, [588];

in Hyocrinus, [588], [590];

in Rhizocrinidae, [588], [590];

in Metacrinus, [588], [591];

in Pentacrinus, [588], [591];

in Holopus, [592];

in Blastoidea, [599];