Pedicelaria or Pedicellaria: How To spell?

The word Pedicelaria is misspelled against Pedicellaria, a noun meaning "A peculiar forcepslike organ which occurs in large numbers upon starfishes and echini. Those of starfishes have two movable jaws, or blades, and are usually nearly, or quite, sessile; those of echini usually have three jaws and a pedicel. See Illustration in Appendix."