Baa
Baalzebub Coddington, 1986
- Baalzebub albonotatus (Petrunkevitch, 1930)
- Baalzebub baubo Coddington, 1986
- Baalzebub brauni (Wunderlich, 1976)
- Baalzebub nemesis Miller, Griswold & Yin, 2009
Arachnida → Araneae → Theridiosomatidae
Bac
, Bacelarella , Bacillemma , Bacillocnemis
Backobourkia Framenau et al., 2010
- Backobourkia brouni (Urquhart, 1885)
- Backobourkia collina (Keyserling, 1886)
- Backobourkia heroine (L. Koch, 1871)
Arachnida → Araneae → Araneidae
Bactrogyna Millidge, 1991
- Bactrogyna prominens Millidge, 1991
Arachnida → Araneae → Linyphiidae
Bad
Badia Roewer, 1961
- Badia rugosa Roewer, 1961
Arachnida → Araneae → Palpimanidae → Chediminae
Badumna Thorell, 1890
- Badumna arguta (Simon, 1906)
- Badumna bimetallica (Hogg, 1896)
- Badumna blochmanni (Strand, 1907)
- Badumna exilis Thorell, 1890
- Badumna exsiccata (Strand, 1913)
- Badumna guttipes (Simon, 1906)
- Badumna hirsuta Thorell, 1890
- Badumna hygrophila (Simon, 1902)
- Badumna insignis (L. Koch, 1872)
- Badumna javana (Strand, 1907)
- Badumna longinqua (L. Koch, 1867)
- Badumna maculata (Rainbow, 1916)
- Badumna microps (Simon, 1908)
- Badumna pilosa (Hogg, 1900)
- Badumna scalaris (L. Koch, 1872)
- Badumna senilella (Strand, 1907)
- Badumna socialis (Rainbow, 1905)
- Badumna tangae Zhu, Zhang & Yang, 2006
Animalia → Arthropoda → Arachnida → Araneae → Desidae
-
Badumna insignis, mužjak
-
Badumna insignis, ženka
Bag
, Bagheera
Bai
, Baiami
Bak
Bakala Davies, 1990
- Bakala episinoides Davies, 1990
Arachnida → Araneae → Amaurobiidae , Bakerdania
Bal
, Balazsella , Ballognatha , Ballus , Balmaceda , Baloghacarus , Balogheremaeus , Baloghia , Baloghiella , Baloghoizetes , Baloghoppia
Bam
Bamazomus Harvey, 1992
- Bamazomus aviculus Harvey, 2001
- Bamazomus bamaga Harvey, 1992
- Bamazomus hunti Harvey, 2001
- Bamazomus madagassus (Lawrence, 1969)
- Bamazomus milloti (Lawrence, 1969)
- Bamazomus pileti (Brignoli, 1974)
- Bamazomus siamensis (Hansen, 1905)
- Bamazomus subsolanus Harvey, 2001
- Bamazomus vadoni (Lawrence, 1969)
- Bamazomus vespertinus Harvey, 2001
- Bamazomus weipa Harvey, 1992
Arachnida → Schizomida → Hubbardioidea → Hubbardiidae → Hubbardiinae
Ban
Banaidja Lehtinen, 1967
- Banaidja bifasciata (L. Koch, 1872)
Arachnida → Araneae → Dictynidae , Bandakia , Bandakiopsis , Banksetosa , Banksinoma
Bannaella Zhang & Li, 2011
- Bannaella sinuata Zhang & Li, 2011
- Bannaella tibialis Zhang & Li, 2011
Arachnida → Araneae → Dictynidae
Bao
, Baobabula
Bar
, Barahna , Bardala , Barrisca
Barronopsis Chamberlin & Ivie, 1941
- Barronopsis arturoi Alayón, 1993
- Barronopsis barrowsi (Gertsch, 1934)
- Barronopsis floridensis (Roth, 1954)
- Barronopsis jeffersi (Muma, 1945)
- Barronopsis pelempito Alayón, 2012
- Barronopsis stephaniae Stocks, 2009
- Barronopsis texana (Gertsch, 1934)
Arachnida → Araneae → Agelenidae
Barrowammo Platnick, 2002
- Barrowammo waldockae Platnick, 2002
Arachnida → Araneae → Ammoxenidae , Barrus , Barrussus
Barusia Kratochvíl, 1978
- Barusia hofferi (Kratochvíl, 1935)
- Barusia insulana (Kratochvíl & Miller, 1939)
- Barusia korculana (Kratochvíl & Miller, 1939)
- Barusia laconica (Brignoli, 1974)
- Barusia maheni (Kratochvíl & Miller, 1939) tipična vrsta
Arachnida → Araneae → Leptonetidae
Porodica Barychelidae Simon, 1889
- Ammonius Thorell, 1899
- Atrophothele Pocock, 1903
- Aurecocrypta Raven, 1994
- Barycheloides Raven, 1994
- Barychelus Simon, 1889
- Cosmopelma Simon, 1889
- Cyphonisia Simon, 1889
- Cyrtogrammomma Pocock, 1895
- Diplothele O. Pickard-Cambridge, 1890
- Encyocrypta Simon, 1889
- Eubrachycercus Pocock, 1897
- Fijocrypta Raven, 1994
- Idioctis L. Koch, 1874
- Idiommata Ausserer, 1871
- Idiophthalma O. Pickard-Cambridge, 1877
- Mandjelia Raven, 1994
- Monodontium Kulczyński, 1908
- Moruga Raven, 1994
- Natgeogia Raven, 1994
- Neodiplothele Mello-Leitão, 1917
- Nihoa Raven & Churchill, 1992
- Orstom Raven, 1994
- Ozicrypta Raven, 1994
- Paracenobiopelma Feio, 1952
- Pisenor Simon, 1889
- Plagiobothrus Karsch, 1892
- Psalistops Simon, 1889
- Questocrypta Raven, 1994
- Rhianodes Raven, 1985
- Sason Simon, 1887
- Sasonichus Pocock, 1900
- Seqocrypta Raven, 1994
- Sipalolasma Simon, 1892
- Strophaeus Ausserer, 1875
- Synothele Simon, 1908
- Thalerommata Ausserer, 1875
- Tigidia Simon, 1892
- Trittame L. Koch, 1874
- Troglothele Fage, 1929
- Tungari Raven, 1994
- Zophorame Raven, 1990
- Zophoryctes Simon, 1902
Barycheloides Raven, 1994
- Barycheloides alluviophilus Raven, 1994
- Barycheloides chiropterus Raven, 1994
- Barycheloides concavus Raven, 1994
- Barycheloides rouxi (Berland, 1924)
- Barycheloides rufofemoratus Raven, 1994
Arachnida → Araneae → Barychelidae
Barychelus Simon, 1889
- Barychelus badius Simon, 1889
- Barychelus complexus Raven, 1994
Arachnida → Araneae → Barychelidae , Barylestis , Baryphas
Baryphyma Simon, 1884
- Baryphyma gowerense (Locket, 1965)
- Baryphyma insigne (Palmgren, 1976)
- Baryphyma maritimum (Crocker & Parker, 1970)
- Baryphyma pratense (Blackwall, 1861) tipična vrsta
- Baryphyma proclive (Simon, 1884)
- Baryphyma trifrons (O. Pickard-Cambridge, 1863)
Arachnida → Araneae → Linyphiidae
Baryphymula Eskov, 1992
- Baryphymula kamakuraensis (Oi, 1960)
Arachnida → Araneae → Linyphiidae
Bas
, Basasteron , Basiceramerus , Basidoppia , Basilobelba , Basilobelbidae , Basiloppia , Bassaniana , Bassaniodes
Bat
, Batesiella , Bathippus , Bathocepheus , Bathyhalacarus
Bathylinyphia Eskov, 1992
- Bathylinyphia maior (Kulczyński, 1885)
Arachnida → Araneae → Linyphiidae
Bathyphantes Menge, 1866
- Bathyphantes alameda Ivie, 1969
- Bathyphantes alascensis (Banks, 1900)
- Bathyphantes alboventris (Banks, 1892)
- Bathyphantes approximatus (O. Pickard-Cambridge, 1871)
- Bathyphantes bishopi Ivie, 1969
- Bathyphantes bohuensis Zhu & Zhou, 1983
- Bathyphantes brevipes (Emerton, 1917)
- Bathyphantes brevis (Emerton, 1911)
- Bathyphantes canadensis (Emerton, 1882)
- Bathyphantes chico Ivie, 1969
- Bathyphantes diasosnemis Fage, 1929
- Bathyphantes dubius Locket, 1968
- Bathyphantes eumenis (L. Koch, 1879)
- Bathyphantes eumenis buchari Ruzicka, 1988
- Bathyphantes fissidens Simon, 1902
- Bathyphantes floralis Tu & Li, 2006
- Bathyphantes glacialis Caporiacco, 1935
- Bathyphantes gracilipes van Helsdingen, 1977
- Bathyphantes gracilis (Blackwall, 1841) tipična vrsta
- Bathyphantes gulkana Ivie, 1969
- Bathyphantes helenae van Helsdingen, 1977
- Bathyphantes hirsutus Locket, 1968
- Bathyphantes humilis (L. Koch, 1879)
- Bathyphantes iviei Holm, 1970
- Bathyphantes jeniseicus Eskov, 1979
- Bathyphantes keeni (Emerton, 1917)
- Bathyphantes larvarum Caporiacco, 1935
- Bathyphantes latescens (Chamberlin, 1919)
- Bathyphantes lennoxensis Simon, 1902
- Bathyphantes mainlingensis Hu, 2001
- Bathyphantes malkini Ivie, 1969
- Bathyphantes menyuanensis Hu, 2001
- Bathyphantes minor Millidge & Russell-Smith, 1992
- Bathyphantes montanus Rainbow, 1912
- Bathyphantes nangqianensis Hu, 2001
- Bathyphantes nigrinus (Westring, 1851)
- Bathyphantes ohlerti Simon, 1884
- Bathyphantes orica Ivie, 1969
- Bathyphantes pallidus (Banks, 1892)
- Bathyphantes paracymbialis Tanasevitch, 2014
- Bathyphantes paradoxus Berland, 1929
- Bathyphantes parvulus (Westring, 1851)
- Bathyphantes pogonias Kulczyński, 1885
- Bathyphantes rainbowi Roewer, 1942
- Bathyphantes reprobus (Kulczyński, 1916)
- Bathyphantes reticularis Caporiacco, 1935
- Bathyphantes robustus Oi, 1960
- Bathyphantes sarasini Berland, 1924
- Bathyphantes setiger F. O. Pickard-Cambridge, 1894
- Bathyphantes similis Kulczyński, 1894
- Bathyphantes tagalogensis Barrion & Litsinger, 1995
- Bathyphantes tongluensis Chen & Song, 1988
- Bathyphantes umiatus Ivie, 1969
- Bathyphantes vittiger Simon, 1884
- Bathyphantes waneta Ivie, 1969
- Bathyphantes weyeri (Emerton, 1875)
- Bathyphantes yodoensis Oi, 1960
- Bathyphantes yukon Ivie, 1969
Arachnida → Araneae → Linyphiidae
Battalus Karsch, 1878
- Battalus adamparsonsi Raven, 2015
- Battalus baehrae Raven, 2015
- Battalus bidgemia Raven, 2015
- Battalus boolathana Raven, 2015
- Battalus byrneae Raven, 2015
- Battalus diadens Raven, 2015
- Battalus helenstarkae Raven, 2015
- Battalus microspinosus Raven, 2015
- Battalus rugosus Raven, 2015
- Battalus semiflavus (Simon, 1896)
- Battalus spinipes Karsch, 1878
- Battalus wallum Raven, 2015
- Battalus zuytdorp Raven, 2015
Arachnida → Araneae → Corinnidae
Batueta Locket, 1982
- Batueta baculum Tanasevitch, 2014
- Batueta cuspidata Zhao & Li, 2014
- Batueta similis Wunderlich & Song, 1995
- Batueta voluta Locket, 1982 tipična vrsta
Arachnida → Araneae → Linyphiidae
Bav
, Bavia , Baviola