Mem. Boston Soc. i. 1867, p. 305.
Zeitschr. wiss. Zool. xxxi. 1878, p. 262.
Ann. Mag. Nat. Hist. (5) xiii. 1884, p. 381.
Quart. Journ. Micr. Sci. xxiv. 1884, p. 612.
The name was coined by Dr. Fleming from χάλιξ "silex" and χόνδρος "cartilage," and as these roots could only give Chalic-chondria it is not surprising that those who have not referred to Dr. Fleming's statements give the derivation as ἅλς "sea" and χόνδρος.