the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > division Pelmatozoa > class Crinoidea > member of > parts of > suture of joints (1)
Biology. A suture or immovable union of two joints of a crinoid; also, the joints thus sutured.