This page lists all described species of the spider family Araneidae as of Dec. 20, 2016, that start with the letter A.
Acantharachne
Acantharachne Tullgren, 1910
- Acantharachne cornuta Tullgren, 1910 (type species) — East Africa
- Acantharachne giltayi Lessert, 1938 — Congo, Madagascar
- Acantharachne lesserti Giltay, 1930 — Congo
- Acantharachne madecassa Emerit, 2000 — Madagascar
- Acantharachne milloti Emerit, 2000 — Madagascar
- Acantharachne psyche Strand, 1913 — Central Africa
- Acantharachne regalis Hirst, 1925 — Cameroon, Congo
- Acantharachne seydeli Giltay, 1935 — Congo
Actinosoma
Actinosoma Holmberg, 1883
Aculepeira
Aculepeira Chamberlin & Ivie, 1942
- Aculepeira aculifera (O. P.-Cambridge, 1889) — USA to Guatemala
- Aculepeira albovittata (Mello-Leitao, 1941) — Paraguay, Argentina
- Aculepeira angeloi Álvares, Loyola & De Maria, 2005 — Brazil
- Aculepeira apa Levi, 1991 — Paraguay
- Aculepeira armida (Audouin, 1826) — Palearctic
- Aculepeira armida orientalis (Kulczynski, 1901) — Russia, China
- Aculepeira armida pumila (Simon, 1929) — France
- Aculepeira azul Levi, 1991 — Panama
- Aculepeira busu Levi, 1991 — Hispaniola
- Aculepeira carbonaria (L. Koch, 1869) — Palearctic
- Aculepeira carbonaria sinensis (Schenkel, 1953) — China
- Aculepeira carbonarioides (Keyserling, 1892) — USA, Canada, Alaska, Russia
- Aculepeira ceropegia (Walckenaer, 1802) — Palearctic
- Aculepeira escazu Levi, 1991 — Costa Rica
- Aculepeira gravabilis (O. P.-Cambridge, 1889) — Honduras to Panama
- Aculepeira lapponica (Holm, 1945) — Sweden, Finland, Russia
- Aculepeira luosangensis Yin et al., 1990 — China
- Aculepeira machu Levi, 1991 — Peru
- Aculepeira matsudae Tanikawa, 1994 — Japan
- Aculepeira morenoae Rubio, Izquierdo & Piacentini, 2013 — Argentina
- Aculepeira packardi (Thorell, 1875) (type species) — North America, Russia, China, Kazakhstan
- Aculepeira serpentina Guo & Zhang, 2010 — China
- Aculepeira taibaishanensis Zhu & Wang, 1995 — China
- Aculepeira talishia (Zawadsky, 1902) — Turkey, Russia, Georgia, Azerbaijan
- Aculepeira travassosi (Soares & Camargo, 1948) — Mexico to Argentina
- Aculepeira visite Levi, 1991 — Hispaniola
- Aculepeira vittata (Gerschman & Schiapelli, 1948) — Brazil, Paraguay, Argentina
Aethrodiscus
Aethrodiscus Strand, 1913
Alenatea
Alenatea Song & Zhu, 1999
- Alenatea fuscocolorata (Bösenberg & Strand, 1906) (type species) — China, Korea, Taiwan, Japan
- Alenatea touxie Song & Zhu, 1999 — China
- Alenatea wangi Zhu & Song, 1999 — China
Alpaida
Alpaida O. P.-Cambridge, 1889
- Alpaida acuta (Keyserling, 1865) — Panama to Argentina
- Alpaida albocincta (Mello-Leitao, 1945) — Venezuela to Argentina
- Alpaida almada Levi, 1988 — Brazil
- Alpaida alticeps (Keyserling, 1879) — Brazil, Paraguay
- Alpaida alto Levi, 1988 — Paraguay
- Alpaida alvarengai Levi, 1988 — Brazil
- Alpaida amambay Levi, 1988 — Colombia, Paraguay
- Alpaida anchicaya Levi, 1988 — Colombia
- Alpaida angra Levi, 1988 — Brazil
- Alpaida antonio Levi, 1988 — Brazil, Guyana
- Alpaida arvoredo Buckup & Rodrigues, 2011 — Brazil
- Alpaida atomaria (Simon, 1895) — Brazil
- Alpaida banos Levi, 1988 — Colombia, Ecuador
- Alpaida biasii Levi, 1988 — Brazil
- Alpaida bicornuta (Taczanowski, 1878) — Costa Rica to Argentina
- Alpaida bischoffi Levi, 1988 — Brazil
- Alpaida boa Levi, 1988 — Brazil
- Alpaida boraceia Levi, 1988 — Brazil
- Alpaida cachimbo Levi, 1988 — Brazil
- Alpaida cali Levi, 1988 — Colombia
- Alpaida calotypa (Chamberlin, 1916) — Peru
- Alpaida canela Levi, 1988 — Brazil
- Alpaida canoa Levi, 1988 — Brazil
- Alpaida caramba Buckup & Rodrigues, 2011 — Brazil
- Alpaida carminea (Taczanowski, 1878) — Peru, Brazil, Paraguay, Argentina
- Alpaida caxias Levi, 1988 — Brazil
- Alpaida chaco Levi, 1988 — Paraguay
- Alpaida championi (O. P.-Cambridge, 1889) — Guatemala to Colombia
- Alpaida chapada Levi, 1988 — Brazil
- Alpaida chickeringi Levi, 1988 — Panama to Brazil
- Alpaida cisneros Levi, 1988 — Colombia, Ecuador
- Alpaida citrina (Keyserling, 1892) — Brazil
- Alpaida clarindoi Nogueira & Dias, 2015 - Brazil
- Alpaida conica O. P.-Cambridge, 1889 (type species) — Panama
- Alpaida constant Levi, 1988 — Brazil
- Alpaida coroico Levi, 1988 — Bolivia
- Alpaida costai Levi, 1988 — Argentina
- Alpaida cuiaba Levi, 1988 — Brazil
- Alpaida cuyabeno Levi, 1988 — Colombia, Ecuador
- Alpaida darlingtoni Levi, 1988 — Colombia
- Alpaida deborae Levi, 1988 — Brazil, Suriname, French Guiana
- Alpaida delicata (Keyserling, 1892) — Colombia, Peru, Bolivia, Brazil
- Alpaida dominica Levi, 1988 — Lesser Antilles
- Alpaida eberhardi Levi, 1988 — Colombia
- Alpaida elegantula (Archer, 1965) — Martinique
- Alpaida ericae Levi, 1988 — Brazil, Argentina
- Alpaida erythrothorax (Taczanowski, 1873) — French Guiana
- Alpaida gallardoi Levi, 1988 — Brazil, Paraguay, Argentina
- Alpaida gracia Levi, 1988 — Argentina
- Alpaida graphica (O. P.-Cambridge, 1889) — Mexico to Panama
- Alpaida grayi (Blackwall, 1863) — Brazil, Paraguay, Uruguay, Argentina
- Alpaida guimaraes Levi, 1988 — Brazil, Guyana
- Alpaida gurupi Levi, 1988 — Colombia, Brazil
- Alpaida guto Abrahim & Bonaldo, 2008 — Brazil
- Alpaida haligera (Archer, 1971) — Peru, Venezuela
- Alpaida hartliebi Levi, 1988 — Brazil
- Alpaida hoffmanni Levi, 1988 — Brazil, Paraguay
- Alpaida holmbergi Levi, 1988 — Argentina
- Alpaida iguazu Levi, 1988 — Brazil, Argentina
- Alpaida iquitos Levi, 1988 — Peru, Ecuador, Brazil
- Alpaida itacolomi Santos & Santos, 2010 — Brazil
- Alpaida itapua Levi, 1988 — Paraguay
- Alpaida itauba Levi, 1988 — Brazil, Argentina
- Alpaida jacaranda Levi, 1988 — Brazil
- Alpaida kartabo Levi, 1988 — Guyana
- Alpaida keyserlingi Levi, 1988 — Brazil
- Alpaida kochalkai Levi, 1988 — Colombia
- Alpaida lanei Levi, 1988 — Brazil, Argentina
- Alpaida latro (Fabricius, 1775) — Brazil, Uruguay, Paraguay, Argentina
- Alpaida leucogramma (White, 1841) — Panama to Argentina
- Alpaida levii Saturnino, Rodrigues & Bonaldo, 2015 - Brazil
- Alpaida lomba Levi, 1988 — Brazil
- Alpaida losamigos Deza & Andía, 2014 - Peru
- Alpaida lubinae Levi, 1988 — Venezuela
- Alpaida machala Levi, 1988 — Ecuador
- Alpaida madeira Levi, 1988 — Brazil
- Alpaida manicata Levi, 1988 — Colombia, Brazil
- Alpaida marmorata (Taczanowski, 1873) — Ecuador, Peru, French Guiana
- Alpaida marta Levi, 1988 — Colombia
- Alpaida mato Levi, 1988 — Brazil
- Alpaida moata (Chamberlin & Ivie, 1936) — Panama, Colombia
- Alpaida moka Levi, 1988 — Bolivia
- Alpaida monzon Levi, 1988 — Peru
- Alpaida monzon audiberti Dierkens, 2014 - French Guiana
- Alpaida morro Levi, 1988 — Brazil
- Alpaida muco Levi, 1988 — Colombia
- Alpaida murtinho Levi, 1988 — Brazil
- Alpaida nadleri Levi, 1988 — Venezuela
- Alpaida nancho Levi, 1988 — Peru
- Alpaida narino Levi, 1988 — Colombia
- Alpaida natal Levi, 1988 — Brazil
- Alpaida navicula (L. Koch, 1871) — Brazil
- Alpaida negro Levi, 1988 — Colombia, Brazil
- Alpaida nigrofrenata (Simon, 1895) — Brazil
- Alpaida niveosigillata (Mello-Leitao, 1941) — Colombia, Ecuador
- Alpaida nonoai Levi, 1988 — Brazil
- Alpaida octolobata Levi, 1988 — Brazil, Argentina
- Alpaida oliverioi (Soares & Camargo, 1948) — Brazil
- Alpaida orgaos Levi, 1988 — Brazil
- Alpaida oyapockensis Dierkens, 2014 - French Guiana
- Alpaida pedro Levi, 1988 — Brazil
- Alpaida penca Deza & Andía, 2014 - Peru
- Alpaida picchu Levi, 1988 — Peru
- Alpaida quadrilorata (Simon, 1897) — Brazil, Paraguay, Uruguay, Argentina
- Alpaida queremal Levi, 1988 — Colombia
- Alpaida rioja Levi, 1988 — Brazil, Argentina
- Alpaida rosa Levi, 1988 — Brazil, Argentina
- Alpaida rossi Levi, 1988 — Peru
- Alpaida rostratula (Keyserling, 1892) — Brazil, Argentina
- Alpaida rubellula (Keyserling, 1892) — Brazil, Paraguay, Argentina
- Alpaida sandrei (Simon, 1895) — Brazil
- Alpaida santosi Levi, 1988 — Brazil
- Alpaida schneblei Levi, 1988 — Colombia
- Alpaida scriba (Mello-Leitao, 1940) — Brazil
- Alpaida septemmammata (O. P.-Cambridge, 1889) — Mexico to Argentina
- Alpaida sevilla Levi, 1988 — Colombia
- Alpaida silencio Levi, 1988 — Colombia
- Alpaida simla Levi, 1988 — Trinidad
- Alpaida sobradinho Levi, 1988 — Brazil
- Alpaida sulphurea (Taczanowski, 1873) — French Guiana
- Alpaida sumare Levi, 1988 — Brazil
- Alpaida tabula (Simon, 1895) — Guyana to Bolivia
- Alpaida tayos Levi, 1988 — Ecuador, Peru, Brazil, Guyana
- Alpaida teresinha Braga-Pereira & Santos, 2013 — Brazil
- Alpaida thaxteri Levi, 1988 — Trinidad
- Alpaida tijuca Levi, 1988 — Brazil
- Alpaida toninho Braga-Pereira & Santos, 2013 — Brazil
- Alpaida tonze Santos & Santos, 2010 — Brazil
- Alpaida trilineata (Taczanowski, 1878) — Peru
- Alpaida trispinosa (Keyserling, 1892) — Panama to Argentina
- Alpaida truncata (Keyserling, 1865) — Mexico to Argentina
- Alpaida truncata obscura (Caporiacco, 1948) — Guyana
- Alpaida truncata sexmaculata (Caporiacco, 1948) — Guyana
- Alpaida tullgreni (Caporiacco, 1955) — Venezuela
- Alpaida tuonabo (Chamberlin & Ivie, 1936) — Panama
- Alpaida urucuca Levi, 1988 — Brazil
- Alpaida utcuyacu Levi, 1988 — Peru
- Alpaida utiariti Levi, 1988 — Brazil
- Alpaida vanzolinii Levi, 1988 — Peru, Brazil, Argentina
- Alpaida variabilis (Keyserling, 1864) — Colombia
- Alpaida venger Castanheira & Baptista, 2015 - Brazil
- Alpaida veniliae (Keyserling, 1865) — Panama to Argentina
- Alpaida vera Levi, 1988 — Brazil
- Alpaida versicolor (Keyserling, 1877) — Brazil, Paraguay, Uruguay, Argentina
- Alpaida wenzeli (Simon, 1897) — St. Vincent
- Alpaida weyrauchi Levi, 1988 — Peru
- Alpaida yanayacu Saturnino, Rodrigues & Bonaldo, 2015 - Brazil
- Alpaida yotoco Levi, 1988 — Colombia
- Alpaida yucuma Levi, 1988 — Brazil
- Alpaida yungas Levi, 1988 — Bolivia
- Alpaida yuto Levi, 1988 — Paraguay, Argentina
Araniella
Araniella Chamberlin & Ivie, 1942
- Araniella alpica (L. Koch, 1869) — Europe to Azerbaijan
- Araniella coreana Namkung, 2002 — Korea
- Araniella cucurbitina (Clerck, 1757) — Palearctic
- Araniella displicata (Hentz, 1847) (type species) — Holarctic
- Araniella inconspicua (Simon, 1874) — Palearctic
- Araniella jilinensis Yin & Zhu, 1994 — China
- Araniella maderiana (Kulczynski, 1905) — Canary Islands, Madeira
- Araniella opisthographa (Kulczynski, 1905) — Europe to Central Asia
- Araniella plicata Mi & Peng, 2016 - China
- Araniella proxima (Kulczynski, 1885) — Holarctic
- Araniella tbilisiensis (Mcheidze, 1997) — Georgia
- Araniella yaginumai Tanikawa, 1995 — Russia, Korea, China, Taiwan, Japan
Augusta
Augusta O. P.-Cambridge, 1877