Note 26 — Chapter II · CRUSTACEA (CONTINUED): ENTOMOSTRACA—BRANCHIOPODA—PHYLLOPODA—CLADOCERA—WATER-FLEAS
Reading edition
Consult Baird, “Monograph of the Branchiopodidae,” Proc. Zool. Soc. 1852, p. 18. Packard, 12th Ann. Rep. U.S. Geol. Survey, part i., 1879.