WAculepeira carbonarioides is a spider in the orb-weaver family (Araneidae).
WAgroeca ornata is a species of liocranid sac spider in the family Liocranidae. It is found in the United States, Canada, and Russia.
WDavus fasciatus, commonly known as the Costa Rican tiger rump, is a species of a new-world tarantula native to Costa Rica. This is a terrestrial species with a maximum legspan of 12 centimetres (4.7 in), which makes it a rather small tarantula species, yet it is one of the largest of its genus.
WOne of the larger species of tarantula, the Chaco golden knee, formerly known by Grammostola aureostriata, can be expected to reach between 20–22 cm (8.5 in).
WMarpissa formosa is a species of jumping spider in the family Salticidae. It is found in the United States.
WMyrmarachne spissa is a species of spider of the family Salticidae. It is endemic to Sri Lanka.
WPeckhamia americana is a species of jumping spider in the family Salticidae. It is found in the United States, Mexico, and Hispaniola.
WPelegrina aeneola is a species of jumping spider in the family Salticidae. It is found in North America.
WPelegrina exigua is a species of jumping spider in the family Salticidae. It is found in the United States.
WStegodyphus sarasinorum also known as the Indian cooperative spider, is a species of velvet spider of the family Eresidae. It is native to India, Sri Lanka, Nepal, and Myanmar. This spider is a social spider that exhibits communal predation and feeding, where individuals live in large cooperatively built colonies with a nest or retreat constructed of silk woven using leaves, twigs, and food carcasses, and a sheet web for prey capture.