
Anelosimus studiosus is a subsocial tangle web spider or theridiid spider living in both North America and South America. In 2012, genetic analysis revealed a previously identified species, A. tungurahua, is in fact the same species as A. studiosus.

Brigittea civica is spider species found in Europe, North Africa, Turkey and North America.

Dictyna foliacea is a species of mesh web weaver in the family Dictynidae. It is found in the USA and Canada.

Emblyna sublata is a species of mesh web weaver in the spider family Dictynidae. It is found in the United States.

Ero leonina is a species of pirate spider in the family Mimetidae. It is found in the United States.

Euryopis funebris is a species of cobweb spider in the family Theridiidae. It is found in the United States and Canada.
Gea heptagon is a species of orb weaver spiders in the family Araneidae. It is found in PacificIslands, Australia, and a range from has been introduced into United States to Argentina.

Hentziectypus globosus is a species of cobweb spider in the family Theridiidae. It is found in North America.

Kaira alba, the pale frilled orbweaver, is a species of orb weaver in the family Araneidae. It is found in the USA and Mexico.

Micrathena mitrata, the white micrathena, is a species of orb weaver in the spider family Araneidae. It is found in a range from the United States to Brazil.

Neospintharus trigonum is a species of cobweb spider in the family Theridiidae. It is found in the United States and Canada.

Spintharus flavidus is a species of cobweb spider in the family Theridiidae. It is found in USA; Central and South America: misidentified.

Steatoda borealis is a species of cobweb spider in the family Theridiidae. It is found in the United States and Canada.

Tetragnatha laboriosa, the silver longjawed orbweaver, is a species of long-jawed orb weaver in the spider family Tetragnathidae. It is found in North and Central America.

Theridion frondeum is a species of cobweb spider in the family Theridiidae. It is found in the United States and Bahama Islands.