Stockings were usually black for daytime wear and white or colored for evening. They were held up by garters. By the end of the century, the garters were attached to the corset. Cotton drawers went over the stockings.
Cephalopods include squid, octopus, cuttlefish, nautilus, spirula, and the extinct ammonites and belemnites. Cephalopods first appear in the fossil record nearly 500 million ago during the Ordovician Period. They are all mollusks, members of the same Phylum Mollusca as oysters, conches, and the common garden snail.
First vertebrates with true bones (jawless fishes) 450 Ma: First complete conodonts and echinoids appear: 440 Ma: First agnathan fishes: Heterostraci, Galeaspida, and Pituriaspida: 434 Ma: The first primitive plants move onto land, having evolved from green algae living along the edges of lakes.