Names matching 'mas'
- family: Amaurobiidae
- family: Amphinectidae
- family: Anyphaenidae
- family: Araneidae
- genus: Amazonepeira
- genus: Araneus
- genus: Argiope
- genus: Cyrtophora
- genus: Gasteracantha
- genus: Kaira
- genus: Mastophora Holmberg, 1876
- species: Mastophora abalosi Urtubey & Báez, 1983
- species: Mastophora alachua Levi, 2003
- species: Mastophora alvareztoroi Ibarra & Jiménez, in Levi, 2003
- species: Mastophora apalachicola Levi, 2003
- species: Mastophora archeri Gertsch, 1955
- species: Mastophora bisaccata (Emerton, 1884)
- species: Mastophora brescoviti Levi, 2003
- species: Mastophora caesariata Eberhard & Levi, 2006
- species: Mastophora carpogaster Mello-Leitao, 1925
- species: Mastophora catarina Levi, 2003
- species: Mastophora comma Báez & Urtubey, 1985
- species: Mastophora conica Levi, 2006
- species: Mastophora conifera (Holmberg, 1876)
- species: Mastophora cornigera (Hentz, 1850)
- species: Mastophora corpulenta (Banks, 1898)
- species: Mastophora corumbatai Levi, 2003
- species: Mastophora cranion Mello-Leitao, 1928
- species: Mastophora diablo Levi, 2003
- species: Mastophora dizzydeani Eberhard, 1981
- species: Mastophora escomeli Levi, 2003
- species: Mastophora extraordinaria Holmberg, 1876
- species: Mastophora fasciata Reimoser, 1939
- species: Mastophora felda Levi, 2003
- species: Mastophora felis Piza, 1976
- species: Mastophora gasteracanthoides (Nicolet, 1849)
- species: Mastophora haywardi Birabén, 1946
- species: Mastophora holmbergi Canals, 1931
- species: Mastophora hutchinsoni Gertsch, 1955
- species: Mastophora lara Levi, 2003
- species: Mastophora leucabulba (Gertsch, 1955)
- species: Mastophora leucacantha (Simon, 1897)
- species: Mastophora longiceps Mello-Leitao, 1940
- species: Mastophora melloleitaoi Canals, 1931
- species: Mastophora obtusa Mello-Leitao, 1936
- species: Mastophora pesqueiro Levi, 2003
- species: Mastophora phrynosoma Gertsch, 1955
- species: Mastophora pickeli Mello-Leitao, 1931
- species: Mastophora piras Levi, 2003
- species: Mastophora rabida Levi, 2003
- species: Mastophora reimoseri Levi, 2003
- species: Mastophora satan Canals, 1931
- species: Mastophora satsuma Levi, 2003
- species: Mastophora seminole Levi, 2003
- species: Mastophora soberiana Levi, 2003
- species: Mastophora stowei Levi, 2003
- species: Mastophora timuqua Levi, 2003
- species: Mastophora vaquera Gertsch, 1955
- species: Mastophora yacare Levi, 2003
- species: Mastophora yeargani Levi, 2003
- species: Mastophora ypiranga Levi, 2003
- genus: Micrathena
- genus: Ocrepeira
- genus: Poltys
- genus: Thelacantha
- genus: Verrucosa
- genus: Wagneriana
- family: Barychelidae
- family: Clubionidae
- family: Corinnidae
- genus: Corinna
- genus: Koppe
- genus: Medmassa Simon, 1887
- species: Medmassa australiensis (L. Koch, 1867)
- species: Medmassa bicolor Hogg, 1900
- species: Medmassa celebensis (Deeleman-Reinhold, 1995)
- species: Medmassa diplogale Deeleman-Reinhold, 2001
- species: Medmassa frenata (Simon, 1877)
- species: Medmassa fusca Hogg, 1900
- species: Medmassa hiekae Berland, 1922
- species: Medmassa insignis (Thorell, 1890)
- species: Medmassa kltina (Barrion & Litsinger, 1995)
- species: Medmassa laurenti Lessert, 1946
- species: Medmassa lesserti Strand, 1916
- species: Medmassa nitida Lawrence, 1937
- species: Medmassa nyctalops Simon, 1910
- species: Medmassa pallipes (L. Koch, 1873)
- species: Medmassa proxima Lessert, 1923
- species: Medmassa pulchra (Thorell, 1881)
- species: Medmassa pusilla Simon, 1896
- species: Medmassa semiaurantiaca Simon, 1910
- species: Medmassa semiflava Simon, 1896
- species: Medmassa tigris (Deeleman-Reinhold, 1995)
- species: Medmassa vidua Lessert, 1923
- genus: Parachemmis
- family: Ctenidae
- family: Cyatholipidae
- family: Cybaeidae
- family: Cyrtaucheniidae
- family: Desidae
- family: Dictynidae
- family: Dipluridae
- genus: Chilehexops
- genus: Masteria L. Koch, 1873
- species: Masteria aimeae (Alayón, 1995)
- species: Masteria barona (Chickering, 1966)
- species: Masteria caeca (Simon, 1892)
- species: Masteria cavicola (Simon, 1892)
- species: Masteria colombiensis Raven, 1981
- species: Masteria cyclops (Simon, 1889)
- species: Masteria downeyi (Chickering, 1966)
- species: Masteria franzi Raven, 1991
- species: Masteria golovatchi Alayón, 1995
- species: Masteria hirsuta L. Koch, 1873
- species: Masteria kaltenbachi Raven, 1991
- species: Masteria lewisi (Chickering, 1964)
- species: Masteria lucifuga (Simon, 1889)
- species: Masteria macgregori (Rainbow, 1898)
- species: Masteria modesta (Simon, 1891)
- species: Masteria pallida (Kulczynski, 1908)
- species: Masteria pecki Gertsch, 1982
- species: Masteria petrunkevitchi (Chickering, 1964)
- species: Masteria simla (Chickering, 1966)
- species: Masteria spinosa (Petrunkevitch, 1925)
- species: Masteria toddae Raven, 1979
- species: Masteria tovarensis (Simon, 1889)
- genus: Thelechoris
- family: Drymusidae
- family: Gnaphosidae
- family: Idiopidae
- family: Leptonetidae
- genus: Leptoneta
- genus: Masirana Komatsu, 1961
- species: Masirana abensis (Kobayashi, 1973)
- species: Masirana akahanei Komatsu, 1963
- species: Masirana akiyoshiensis (Oi, 1958)
- species: Masirana akiyoshiensis imperatoria Komatsu, 1974
- species: Masirana akiyoshiensis kagekiyoi Komatsu, 1974
- species: Masirana akiyoshiensis primocreata Komatsu, 1974
- species: Masirana bandoi (Nishikawa, 1986)
- species: Masirana chibusana (Irie, 2000)
- species: Masirana cinevacea Kishida, in Komatsu, 1942
- species: Masirana glabra (Komatsu, 1957)
- species: Masirana kawasawai (Komatsu, 1970)
- species: Masirana kinoshitai (Irie, 2000)
- species: Masirana kosodeensis Komatsu, 1963
- species: Masirana kuramotoi Komatsu, 1974
- species: Masirana kyokoae Yaginuma, 1972
- species: Masirana longimana Yaginuma, 1970
- species: Masirana longipalpis Komatsu, 1972
- species: Masirana mizonokuchiensis Irie & Ono, 2005
- species: Masirana nippara Komatsu, 1957
- species: Masirana silvicola (Kobayashi, 1973)
- species: Masirana taioensis Irie & Ono, 2005
- species: Masirana taraensis Irie & Ono, 2005
- family: Linyphiidae
- genus: Aprifrontalia
- genus: Blestia
- genus: Ceratinops
- genus: Diplocentria
- genus: Drepanotylus
- genus: Masikia Millidge, 1984
- genus: Maso Simon, 1884
- genus: Masoncus Chamberlin, 1948
- genus: Masonetta Chamberlin & Ivie, 1939
- genus: Neomaso Forster, 1970
- species: Neomaso abnormis Millidge, 1991
- species: Neomaso aequabilis Millidge, 1991
- species: Neomaso angusticeps Millidge, 1985
- species: Neomaso antarcticus (Hickman, 1939)
- species: Neomaso articeps Millidge, 1991
- species: Neomaso arundicola Millidge, 1991
- species: Neomaso bilobatus (Tullgren, 1901)
- species: Neomaso claggi Forster, 1970
- species: Neomaso damocles Miller, 2007
- species: Neomaso fagicola Millidge, 1985
- species: Neomaso fluminensis Millidge, 1991
- species: Neomaso insperatus Millidge, 1991
- species: Neomaso insulanus Millidge, 1991
- species: Neomaso minimus Millidge, 1985
- species: Neomaso parvus Millidge, 1985
- species: Neomaso patagonicus (Tullgren, 1901)
- species: Neomaso peltatus Millidge, 1985
- species: Neomaso pollicatus (Tullgren, 1901)
- species: Neomaso scutatus Millidge, 1985
- species: Neomaso setiger Millidge, 1991
- species: Neomaso vicinus Millidge, 1991
- genus: Nippononeta
- genus: Notiomaso Banks, 1914
- genus: Onychembolus
- genus: Oreonetides
- genus: Pocadicnemis
- genus: Pseudomaso Locket & Russell-Smith, 1980
- genus: Satilatlas
- genus: Scotinotylus
- genus: Tapinotorquis
- genus: Theonina
- genus: Troglohyphantes
- genus: Walckenaeria
- family: Liphistiidae
- family: Lycosidae
- family: Mecysmaucheniidae
- family: Migidae
- family: Mysmenidae
- family: Nesticidae
- family: Oonopidae
- genus: Gamasomorpha Karsch, 1881
- species: Gamasomorpha anhuiensis Song & Xu, 1984
- species: Gamasomorpha arabica Simon, 1893
- species: Gamasomorpha austera Simon, 1898
- species: Gamasomorpha australis Hewitt, 1915
- species: Gamasomorpha barbifera Tong & Li, 2007
- species: Gamasomorpha bipeltis (Thorell, 1895)
- species: Gamasomorpha brasiliana Bristowe, 1938
- species: Gamasomorpha camelina Simon, 1893
- species: Gamasomorpha cataphracta Karsch, 1881
- species: Gamasomorpha clarki Hickman, 1950
- species: Gamasomorpha clypeolaria Simon, 1907
- species: Gamasomorpha deksam Saaristo & van Harten, 2002
- species: Gamasomorpha gershomi Saaristo, 2007
- species: Gamasomorpha humicola Lawrence, 1947
- species: Gamasomorpha humilis Mello-Leitao, 1920
- species: Gamasomorpha inclusa (Thorell, 1887)
- species: Gamasomorpha insularis Simon, 1907
- species: Gamasomorpha jeanneli Fage, in Fage & Simon, 1936
- species: Gamasomorpha kabulensis Roewer, 1960
- species: Gamasomorpha kraepelini Simon, 1905
- species: Gamasomorpha kusumii Komatsu, 1963
- species: Gamasomorpha lalana Suman, 1965
- species: Gamasomorpha linzhiensis Hu, 2001
- species: Gamasomorpha longisetosa Lawrence, 1952
- species: Gamasomorpha lucida Simon, 1893
- species: Gamasomorpha lutzi (Petrunkevitch, 1929)
- species: Gamasomorpha m-scripta Birabén, 1954
- species: Gamasomorpha margaritae Denis, 1947
- species: Gamasomorpha maschwitzi Wunderlich, 1995
- species: Gamasomorpha microps Simon, 1907
- species: Gamasomorpha minima Berland, 1942
- species: Gamasomorpha mornensis Benoit, 1979
- species: Gamasomorpha nigrilineata Xu, 1986
- species: Gamasomorpha nigripalpis Simon, 1893
- species: Gamasomorpha nitida Simon, 1893
- species: Gamasomorpha parmata (Thorell, 1890)
- species: Gamasomorpha patquiana Birabén, 1954
- species: Gamasomorpha perplexa Bryant, 1942
- species: Gamasomorpha plana (Keyserling, 1883)
- species: Gamasomorpha platensis Birabén, 1954
- species: Gamasomorpha porcina Simon, 1909
- species: Gamasomorpha psyllodes Thorell, 1897
- species: Gamasomorpha puberula (Simon, 1893)
- species: Gamasomorpha pusilla Berland, 1914
- species: Gamasomorpha rufa Banks, 1898
- species: Gamasomorpha sculptilis Thorell, 1897
- species: Gamasomorpha semitecta Simon, 1907
- species: Gamasomorpha servula Simon, 1908
- species: Gamasomorpha seximpressa Simon, 1907
- species: Gamasomorpha silvestris (Simon, 1893)
- species: Gamasomorpha simplex (Simon, 1891)
- species: Gamasomorpha subclathrata Simon, 1907
- species: Gamasomorpha taprobanica Simon, 1893
- species: Gamasomorpha testudinella Berland, 1914
- species: Gamasomorpha tovarensis (Simon, 1893)
- species: Gamasomorpha vianai Birabén, 1954
- species: Gamasomorpha wasmanniae Mello-Leitao, 1939
- genus: Ischnothyreus
- genus: Lisna
- genus: Opopaea
- species: Opopaea atlantica (Benoit, 1977)
- species: Opopaea banksi (Hickman, 1950)
- species: Opopaea berlandi (Simon & Fage, 1922)
- species: Opopaea deserticola Simon, 1891
- species: Opopaea floridana (Banks, 1896)
- species: Opopaea hoplites (Berland, 1914)
- species: Opopaea kulczynskii (Berland, 1914)
- species: Opopaea lena Suman, 1965
- species: Opopaea silhouettei (Benoit, 1979)
- species: Opopaea simoni (Berland, 1914)
- species: Opopaea speciosa (Lawrence, 1952)
- species: Opopaea syarakui (Komatsu, 1967)
- genus: Orchestina
- genus: Patri
- genus: Pelicinus
- genus: Prida
- genus: Pseudotriaeris
- genus: Silhouettella
- genus: Xestaspis
- family: Oxyopidae
- family: Philodromidae
- family: Pholcidae
- family: Pisauridae
- genus: Dolomedes
- genus: Thalassius
- genus: Thaumasia Perty, 1833
- species: Thaumasia abrahami Mello-Leitao, 1948
- species: Thaumasia annecta Bryant, 1948
- species: Thaumasia annulipes Cambridge, 1903
- species: Thaumasia argenteonotata (Simon, 1898)
- species: Thaumasia argentinensis Mello-Leitao, 1941
- species: Thaumasia argyrotypa Chamberlin & Ivie, 1936
- species: Thaumasia argyrura Mello-Leitao, 1943
- species: Thaumasia benoisti Caporiacco, 1954
- species: Thaumasia brunnea Caporiacco, 1947
- species: Thaumasia decemguttata Mello-Leitao, 1945
- species: Thaumasia heterogyna Chamberlin & Ivie, 1936
- species: Thaumasia marginella (C. L. Koch, 1847)
- species: Thaumasia niceforoi Mello-Leitao, 1941
- species: Thaumasia scoparia (Simon, 1888)
- species: Thaumasia senilis Perty, 1833
- species: Thaumasia strandi Caporiacco, 1947
- species: Thaumasia velox Simon, 1898
- genus: Tinus
- family: Prodidomidae
- family: Salticidae
- genus: Aphirape
- genus: Athamas O. P.-Cambridge, 1877
- genus: Cobanus
- genus: Cosmophasis
- genus: Eustiromastix Simon, 1902
- species: Eustiromastix bahiensis Galiano, 1979
- species: Eustiromastix efferatus Bauab & Soares, 1978
- species: Eustiromastix falcatus Galiano, 1981
- species: Eustiromastix intermedius Galiano, 1979
- species: Eustiromastix keyserlingi (Taczanowski, 1878)
- species: Eustiromastix macropalpus Galiano, 1979
- species: Eustiromastix major Simon, 1902
- species: Eustiromastix moraballi Mello-Leitao, 1940
- species: Eustiromastix nativo Santos & Romero, 2004
- species: Eustiromastix obscurus (Peckham & Peckham, 1893)
- species: Eustiromastix vincenti (Peckham & Peckham, 1893)
- genus: Holoplatys
- genus: Hyllus
- genus: Leptathamas Balogh, 1980
- genus: Mashonarus Wesolowska & Cumming, 2002
- genus: Massagris Simon, 1900
- genus: Mogrus
- genus: Onomastus Simon, 1900
- genus: Pachyonomastus Caporiacco, 1947
- genus: Telamonia
- genus: Tomocyrba
- genus: Vailimia
- family: Segestriidae
- family: Sparassidae
- genus: Damastes Simon, 1880
- species: Damastes atrignathus Strand, 1908
- species: Damastes coquereli Simon, 1880
- species: Damastes coquereli affinis Strand, 1907
- species: Damastes decoratus (Simon, 1897)
- species: Damastes fasciolatus (Simon, 1903)
- species: Damastes flavomaculatus Simon, 1880
- species: Damastes grandidieri Simon, 1880
- species: Damastes majungensis Strand, 1907
- species: Damastes malagassus (Fage, 1926)
- species: Damastes malagasus (Karsch, 1881)
- species: Damastes masculinus Strand, 1908
- species: Damastes nigrichelis (Strand, 1907)
- species: Damastes nossibeensis Strand, 1907
- species: Damastes oswaldi Lenz, 1891
- species: Damastes pallidus (Schenkel, 1937)
- species: Damastes sikoranus Strand, 1906
- species: Damastes validus (Blackwall, 1877)
- genus: Thomasettia Hirst, 1911
- family: Tetrablemmidae
- family: Theraphosidae
- family: Theridiidae
- family: Thomisidae
- family: Trochanteriidae
- family: Zodariidae
- genus: Masasteron Baehr, 2004
- species: Masasteron barkly Baehr, 2004
- species: Masasteron bennieae Baehr, 2004
- species: Masasteron bipunctatum Baehr, 2004
- species: Masasteron burbidgei Baehr, 2004
- species: Masasteron clifton Baehr, 2004
- species: Masasteron complector Baehr, 2004
- species: Masasteron darwin Baehr, 2004
- species: Masasteron derby Baehr, 2004
- species: Masasteron deserticola Baehr, 2004
- species: Masasteron gracilis Baehr, 2004
- species: Masasteron haroldi Baehr, 2004
- species: Masasteron mackenziei Baehr, 2004
- species: Masasteron maini Baehr, 2004
- species: Masasteron mas (Jocqué, 1991)
- species: Masasteron ocellum Baehr, 2004
- species: Masasteron piankai Baehr, 2004
- species: Masasteron queensland Baehr, 2004
- species: Masasteron sampeyae Baehr, 2004
- species: Masasteron tealei Baehr, 2004
- species: Masasteron tuart Baehr, 2004
- species: Masasteron utae Baehr, 2004
- genus: Mastidiores Jocqué, 1987
- genus: Psammoduon
- genus: Thaumastochilus Simon, 1897
- family: Zoridae
- family: Zoropsidae