Branchiopoda is a group of primarily freshwatercrustaceans, mostly resembling shrimp. A few are well-known, including the Artemia (brine shrimp[?], also called a "sea monkey") and Daphnia, both of which are raised as aquarium food or as interesting pets in and of themselves.
... conglomerates, sandstones, marls and clays, folded by subsequent upheavals, in many parts of the island. The clays, which contain layers of good coal and an abundant ...