WAcusilas coccineus is a species of spider in the family Araneidae, found from India and China to Indonesia. In India particularly, it has been known by the synonym Phonognatha vicitra Sherriffs, 1928, but this is based on a misidentification. In India, it is found in woodlands and among shrubs. It is a small orb-weaver.
WAttinella concolor is a species of jumping spider in the family Salticidae. It is found in the United States and Mexico.
WBlabomma californicum is a species of true spider in the family Dictynidae. It is found in the United States.
WChilobrachys fimbriatus, commonly known as the Indian violet, is a species of spider of the genus Chilobrachys. It is endemic to India.
WChinattus parvulus is a species of jumping spider in the family Salticidae. It is found in the United States and Canada.
WEucteniza relata, the southwestern trapdoor spider, is a species of wafer-lid trapdoor spider in the family Euctenizidae. It is found in the United States and Mexico.
WHabronattus borealis is a species of jumping spiders from the family Salticidae, found in Canada and the United States.
WHabronattus clypeatus is a species of jumping spider which occurs in the United States and Mexico. Its range extends from the southern Rocky Mountains to the northern Sierra Madre Occidental and Sonoran Desert. It belongs to the viridipes species group within the genus Habronattus.
WOzyptila pacifica is a species of crab spider in the family Thomisidae. It is found in the United States and Canada.
WPhidippus borealis is a species of jumping spider which occurs in Canada and the northern United States.
WPoecilotheria striata, or the Mysore ornamental tarantula, is a large arboreal tarantula of the family Theraphosidae. It is endemic to India.
WPoecilotheria vittata, sometimes called Pederson's ornamental, the ghost ornamental, or magam tiger spider, is an arboreal tarantula. It is endemic to Sri Lanka. In IUCN Red List, the species is cited as a synonym of Indian species Poecilotheria striata, but in other local text books and online publications, it is cited as a separate species. As of February 2016, the species was considered to be native to both India and Sri Lanka by the World Spider Catalog.
WPsalmopoeus cambridgei, the Trinidad chevron tarantula, is a species of spider in the family Theraphosidae, endemic to Trinidad. Its venom is the source of psalmotoxin and vanillotoxin which are classified as inhibitor cystine knot proteins. Psalmotoxin may be of therapeutic use in patients suffering from a stroke.
WSassacus papenhoei is a species of jumping spider in the family Salticidae. It is found in North America.
WTalavera minuta is a species of jumping spider in the family Salticidae. It is found in Russia, Canada, and the United States.
WTheridion albidum is a species of cobweb spider in the family Theridiidae. It is found in the United States and Canada.
WTutelina similis is a species of jumping spider in the family Salticidae. It is found in the United States and Canada.
WWamba crispulus is a species of cobweb spider in the family Theridiidae. It is found in a range from Canada to Brazil and the Caribbean.
WXysticus fraternus is a species of crab spider in the family Thomisidae. It is found in the United States and Canada.
WZygoballus iridescens is a species of jumping spider which occurs in the United States. It is known only from a single female specimen collected in Franconia, New Hampshire by Annie Trumbull Slosson.