Californiulus yosemitensis is species of cylindrical millipede in the family Paeromopodidae that is found in the Pacific Slope states of the United States: predominantly in the Sierra Nevada of California but also extending into southeastern Oregon and parts of Nevada.
Harpaphe haydeniana (the yellow-spotted millipede, almond-scented millipede or cyanide millipede) is a millipede found in the moist forests along the Pacific coast of North America, from Southeast Alaska to California.