Mea
, Meata
Mec
, Mecaphesa , Mecicobothriidae , Mecicobothrium , Mecognatha , Mecognathidae , Mecolaesthus
Mecopisthes Simon, 1926
- Mecopisthes alter Thaler, 1991
- Mecopisthes crassirostris (Simon, 1884)
- Mecopisthes daiarum Bosmans, 1993
- Mecopisthes jacquelinae Bosmans, 1993
- Mecopisthes latinus Millidge, 1978
- Mecopisthes millidgei Wunderlich, 1995
- Mecopisthes monticola Bosmans, 1993
- Mecopisthes nasutus Wunderlich, 1995
- Mecopisthes nicaeensis (Simon, 1884)
- Mecopisthes orientalis Tanasevitch & Fet, 1986
- Mecopisthes paludicola Bosmans, 1993
- Mecopisthes peuceticus Caporiacco, 1951
- Mecopisthes peusi Wunderlich, 1972
- Mecopisthes pictonicus Denis, 1950
- Mecopisthes pumilio Wunderlich, 2008
- Mecopisthes rhomboidalis Gao, Zhu & Gao, 1993
- Mecopisthes silus (O. Pickard-Cambridge, 1872) tipična
- Mecopisthes tokumotoi Oi, 1964
Arachnida → Araneae → Linyphiidae
Mecynargoides Eskov, 1988
- Mecynargoides kolymensis Eskov, 1988
Arachnida → Araneae → Linyphiidae
Mecynargus Kulczyński, 1894
- Mecynargus asiaticus Tanasevitch, 1989
- Mecynargus borealis (Jackson, 1930)
- Mecynargus brocchus (L. Koch, 1872)
- Mecynargus foveatus (Dahl, 1912)
- Mecynargus hypnicola Eskov, 1988
- Mecynargus longus (Kulczyński, 1882) tipična
- Mecynargus minutipalpis Gnelitsa, 2011
- Mecynargus minutus Tanasevitch, 2013
- Mecynargus monticola (Holm, 1943)
- Mecynargus morulus (O. Pickard-Cambridge, 1873)
- Mecynargus paetulus (O. Pickard-Cambridge, 1875)
- Mecynargus pinipumilis Eskov, 1988
- Mecynargus pyrenaeus (Denis, 1950)
- Mecynargus sphagnicola (Holm, 1939)
- Mecynargus tundricola Eskov, 1988
- Mecynargus tungusicus (Eskov, 1981)
Arachnida → Araneae → Linyphiidae
Mecynidis Simon, 1894
- Mecynidis antiqua Jocqué & Scharff, 1986
- Mecynidis ascia Scharff, 1990
- Mecynidis bitumida Russell-Smith & Jocqué, 1986
- Mecynidis dentipalpis Simon, 1894 tipična
- Mecynidis laevitarsis Miller, 1970
- Mecynidis muthaiga Russell-Smith & Jocqué, 1986
- Mecynidis scutata Jocqué & Scharff, 1986
- Mecynidis spiralis Jocqué & Scharff, 1986
Arachnida → Araneae → Linyphiidae
Mecynogea Simon, 1903
- Mecynogea apatzingan Levi, 1997
- Mecynogea bigibba Simon, 1903
- Mecynogea buique Levi, 1997
- Mecynogea chavona Levi, 1997
- Mecynogea erythromela (Holmberg, 1876)
- Mecynogea lemniscata (Walckenaer, 1841)
- Mecynogea martiana (Archer, 1958)
- Mecynogea ocosingo Levi, 1997
- Mecynogea sucre Levi, 1997
Arachnida → Araneae → Araneidae , Mecynometa , Mecysmaucheniidae , Mecysmauchenioides , Mecysmauchenius
Med
, Mediolata
Mediothele Raven & Platnick, 1978
- Mediothele anae Ríos & Goloboff, 2012
- Mediothele australis Raven & Platnick, 1978 tipična vrsta
- Mediothele lagos Ríos & Goloboff, 2012
- Mediothele linares Ríos & Goloboff, 2012
- Mediothele minima Ríos & Goloboff, 2012
- Mediothele nahuelbuta Ríos & Goloboff, 2012
Arachnida → Araneae → Hexathelidae , Medioxyoppia
Medmassa Simon, 1887
- Medmassa celebensis (Deeleman-Reinhold, 1995)
- Medmassa christae Raven, 2015
- Medmassa diplogale Deeleman-Reinhold, 2001
- Medmassa frenata (Simon, 1877)
- Medmassa insignis (Thorell, 1890)
- Medmassa kltina (Barrion & Litsinger, 1995)
- Medmassa pulchra (Thorell, 1881)
- Medmassa semiaurantiaca Simon, 1910
- Medmassa tigris (Deeleman-Reinhold, 1995)
Arachnida → Araneae → Corinnidae
Mee
Meedo Main, 1987
- Meedo bluff Platnick, 2002
- Meedo booti Platnick, 2002
- Meedo broadwater Platnick, 2002
- Meedo cohuna Platnick, 2002
- Meedo flinders Platnick, 2002
- Meedo gympie Platnick, 2002
- Meedo harveyi Platnick, 2002
- Meedo houstoni Main, 1987
- Meedo mullaroo Platnick, 2002
- Meedo munmorah Platnick, 2002
- Meedo ovtsharenkoi Platnick, 2002
- Meedo yarragin Platnick, 2002
- Meedo yeni Platnick, 2002
Arachnida → Araneae → Gallieniellidae
Meg
, Megabulbus , Megadictyna , Megadolomedes
Megafroneta Blest, 1979
- Megafroneta dugdaleae Blest & Vink, 2002
- Megafroneta elongata Blest, 1979 tipična
- Megafroneta gigas Blest, 1979
Arachnida → Araneae → Linyphiidae , Megahexura
Megalepthyphantes Wunderlich, 1994
- Megalepthyphantes auresensis Bosmans, 2006
- Megalepthyphantes bkheitae (Bosmans & Bouragba, 1992)
- Megalepthyphantes brignolii Tanasevitch, 2014
- Megalepthyphantes camelus (Tanasevitch, 1990)
- Megalepthyphantes collinus (L. Koch, 1872)
- Megalepthyphantes globularis Tanasevitch, 2011
- Megalepthyphantes hellinckxorum Bosmans, 2006
- Megalepthyphantes kandahar Tanasevitch, 2009
- Megalepthyphantes kronebergi (Tanasevitch, 1989
- Megalepthyphantes kuhitangensis (Tanasevitch, 1989)
- Megalepthyphantes lydiae Wunderlich, 1994
- Megalepthyphantes minotaur Tanasevitch & Wunderlich, 2015
- Megalepthyphantes nebulosoides (Wunderlich, 1977)
- Megalepthyphantes nebulosus (Sundevall, 1830) tipična
- Megalepthyphantes pseudocollinus Saaristo, 1997
- Megalepthyphantes turkestanicus (Tanasevitch, 1989)
- Megalepthyphantes turkeyensis Tanasevitch, Kunt & Seyyar, 2005
Arachnida → Araneae → Linyphiidae , Megaloastia , Megalopsalis , Megaloremmius
Megalostrata Karsch, 1880
- Megalostrata bruneri (Bryant, 1936)
- Megalostrata depicta (O. Pickard-Cambridge, 1895)
- Megalostrata monistica (Chamberlin, 1924)
- Megalostrata raptor (L. Koch, 1866)
Arachnida → Araneae → Corinnidae , Megalotocepheus
Megamyrmaekion Reuss, 1834
- Megamyrmaekion algericum Simon, 1885
- Megamyrmaekion ashae Tikader & Gajbe, 1977
- Megamyrmaekion austrinum Simon, 1908
- Megamyrmaekion caudatum Reuss, 1834
- Megamyrmaekion hula Levy, 2009
- Megamyrmaekion jodhpurense Gajbe, 1993
- Megamyrmaekion kajalae Biswas & Biswas, 1992
- Megamyrmaekion magshimim Levy, 2009
- Megamyrmaekion nairobii Berland, 1920
- Megamyrmaekion schreineri Tucker, 1923
- Megamyrmaekion transvaalense Tucker, 1923
- Megamyrmaekion velox Simon, 1887
- Megamyrmaekion vulpinum (O. Pickard-Cambridge, 1874)
Arachnida → Araneae → Gnaphosidae , Megaoonops , Megaphobema , Megapyge
Megaraneus Lawrence, 1968
- Megaraneus gabonensis (Lucas, 1858)
Arachnida → Araneae → Araneidae
Megarctosa Caporiacco, 1948
- Megarctosa aequioculata (Strand, 1906)
- Megarctosa argentata (Denis, 1947)
- Megarctosa bamiana Roewer, 1960
- Megarctosa caporiaccoi Roewer, 1960
- Megarctosa gobiensis (Schenkel, 1936)
- Megarctosa melanostoma (Mello-Leitão, 1941)
- Megarctosa naccai Caporiacco, 1948
Arachnida → Araneae → Lycosidae , Megaschizomus , Megateg , Megatrichobates , Megeremaeidae , Megeremaeus , Megninia
Infrarazred Megoperculata
- Amblypygi Thorell, 1883
- Araneae Clerck, 1757
- Palpigradi Thorell, 1888
- Uropygi Thorell, 1883
Arthropoda → Chelicerata → Arachnida → Micrura
Mei
, Meioneta
Mel
, Melaenosia
Melanesotypus Raven, 2015
- Melanesotypus guadal Raven, 2015
Arachnida → Araneae → Corinnidae , Melanoblossia , Melanoblossiidae , Melanozetes
Melecosa Marusik, Omelko & Koponen, 2015
- Melecosa alpina (Marusik, Azarkina & Koponen, 2004)
Arachnida → Araneae → Lycosidae , Meleon , Mellitiphis , Melloicosa , Melloina , Melloleitaoina
Melocosa Gertsch, 1937
- Melocosa fumosa (Emerton, 1894)
- Melocosa gertschi Mello-Leitão, 1947
Arachnida → Araneae → Lycosidae
Melpomene O. Pickard-Cambridge, 1898
- Melpomene bicavata (F. O. Pickard-Cambridge, 1902)
- Melpomene bipunctata (Roth, 1967)
- Melpomene chiricana Chamberlin & Ivie, 1942
- Melpomene coahuilana (Gertsch & Davis, 1940)
- Melpomene elegans O. Pickard-Cambridge, 1898
- Melpomene panamana (Petrunkevitch, 1925)
- Melpomene penetralis (F. O. Pickard-Cambridge, 1902)
- Melpomene plesia Chamberlin & Ivie, 1942
- Melpomene quadrata (Kraus, 1955)
- Melpomene rita (Chamberlin & Ivie, 1941)
- Melpomene singula (Gertsch & Ivie, 1936)
- Melpomene transversa (F. O. Pickard-Cambridge, 1902)
Arachnida → Araneae → Agelenidae
Melychiopharis Simon, 1895
- Melychiopharis bibendum Brescovit, Santos & Leite, 2011
- Melychiopharis cynips Simon, 1895
Arachnida → Araneae → Araneidae
Mem
, Membranoppia
Men
, Mendoza , Menemerus
Menneus Simon, 1876
- Menneus aussie Coddington, Kuntner & Opell, 2012
- Menneus bituberculatus Coddington, Kuntner & Opell, 2012
- Menneus camelus Pocock, 1902
- Menneus capensis (Purcell, 1904)
- Menneus darwini Coddington, Kuntner & Opell, 2012
- Menneus dromedarius Purcell, 1904
- Menneus nemesio Coddington, Kuntner & Opell, 2012
- Menneus neocaledonicus (Simon, 1888)
- Menneus quasimodo Coddington, Kuntner & Opell, 2012
- Menneus samperi Coddington, Kuntner & Opell, 2012
- Menneus superciliosus (Thorell, 1881)
- Menneus tetragnathoides Simon, 1876
- Menneus trinodosus Rainbow, 1920
- Menneus wa Coddington, Kuntner & Opell, 2012
Arachnida → Araneae → Deinopidae , Menosira , Menthidae
Meo
, Meotipa
Mer
Merenius Simon, 1910
- Merenius alberti Lessert, 1923
- Merenius concolor Caporiacco, 1947
- Merenius myrmex Simon, 1910
- Merenius plumosus Simon, 1910
- Merenius proximus Lessert, 1929
- Merenius proximus quadrimaculatus Lessert, 1946
- Merenius recurvatus (Strand, 1906)
- Merenius secundus (Strand, 1907)
- Merenius simoni Lessert, 1921
- Merenius solitarius Lessert, 1946
- Merenius tenuiculus Simon, 1910
- Merenius yemenensis Denis, 1953
Arachnida → Araneae → Corinnidae , Meringa , Meriocepheus , Meriola , Meristacarus , Meristolohmannia , Merizocera
Mermessus O. Pickard-Cambridge, 1899
- Mermessus agressus (Gertsch & Davis, 1937)
- Mermessus albulus (Zorsch & Crosby, 1934)
- Mermessus annamae (Gertsch & Davis, 1937)
- Mermessus antraeus (Crosby, 1926)
- Mermessus augustae (Crosby & Bishop, 1933)
- Mermessus augustalis (Crosby & Bishop, 1933)
- Mermessus avius (Millidge, 1987)
- Mermessus brevidentatus (Emerton, 1909)
- Mermessus bryantae (Ivie & Barrows, 1935)
- Mermessus caelebs (Millidge, 1987)
- Mermessus coahuilanus (Gertsch & Davis, 1940)
- Mermessus cognatus (Millidge, 1987)
- Mermessus colimus (Millidge, 1987)
- Mermessus comes (Millidge, 1987)
- Mermessus conexus (Millidge, 1987)
- Mermessus conjunctus (Millidge, 1991)
- Mermessus contortus (Emerton, 1882)
- Mermessus denticulatus (Banks, 1898)
- Mermessus dentiger O. Pickard-Cambridge, 1899 tipična
- Mermessus dentimandibulatus (Keyserling, 1886)
- Mermessus dominicus (Millidge, 1987)
- Mermessus dopainus (Chamberlin & Ivie, 1936)
- Mermessus entomologicus (Emerton, 1911)
- Mermessus estrellae (Millidge, 1987)
- Mermessus facetus (Millidge, 1987)
- Mermessus floridus (Millidge, 1987)
- Mermessus formosus (Millidge, 1987)
- Mermessus fractus (Millidge, 1987)
- Mermessus fradeorum (Berland, 1932)
- Mermessus fuscus (Millidge, 1987)
- Mermessus hebes (Millidge, 1991)
- Mermessus holdus (Chamberlin & Ivie, 1939)
- Mermessus hospita (Millidge, 1987)
- Mermessus ignobilis (Millidge, 1987)
- Mermessus imago (Millidge, 1987)
- Mermessus index (Emerton, 1914)
- Mermessus indicabilis (Crosby & Bishop, 1928)
- Mermessus inornatus (Ivie & Barrows, 1935)
- Mermessus insulsus (Millidge, 1991)
- Mermessus jona (Bishop & Crosby, 1938)
- Mermessus leoninus (Millidge, 1987)
- Mermessus libanus (Millidge, 1987)
- Mermessus lindrothi (Holm, 1960)
- Mermessus maculatus (Banks, 1892)
- Mermessus maderus (Millidge, 1987)
- Mermessus major (Millidge, 1987)
- Mermessus mediocris (Millidge, 1987)
- Mermessus medius (Millidge, 1987)
- Mermessus merus (Millidge, 1987)
- Mermessus mniarus (Crosby & Bishop, 1928)
- Mermessus modicus (Millidge, 1987)
- Mermessus montanus (Millidge, 1987)
- Mermessus monticola (Millidge, 1987)
- Mermessus moratus (Millidge, 1987)
- Mermessus naniwaensis (Oi, 1960)
- Mermessus nigrus (Millidge, 1991)
- Mermessus obscurus (Millidge, 1991)
- Mermessus orbus (Millidge, 1987)
- Mermessus ornatus (Millidge, 1987)
- Mermessus paludosus (Millidge, 1987)
- Mermessus paulus (Millidge, 1987)
- Mermessus perplexus (Millidge, 1987)
- Mermessus persimilis (Millidge, 1987)
- Mermessus pinicola (Millidge, 1987)
- Mermessus probus (Millidge, 1987)
- Mermessus proximus (Keyserling, 1886)
- Mermessus rapidulus (Bishop & Crosby, 1938)
- Mermessus singularis (Millidge, 1987)
- Mermessus socius (Chamberlin, 1949)
- Mermessus sodalis (Millidge, 1987)
- Mermessus solitus (Millidge, 1987)
- Mermessus solus (Millidge, 1987)
- Mermessus subantillanus (Millidge, 1987)
- Mermessus taibo (Chamberlin & Ivie, 1933)
- Mermessus tenuipalpis (Emerton, 1911)
- Mermessus tepejicanus (Gertsch & Davis, 1937)
- Mermessus tibialis (Millidge, 1987)
- Mermessus tlaxcalanus (Gertsch & Davis, 1937)
- Mermessus tridentatus (Emerton, 1882)
- Mermessus trilobatus (Emerton, 1882)
- Mermessus undulatus (Emerton, 1914)
Arachnida → Araneae → Linyphiidae , Merredinia
Mes
, Mesabolivar , Mesarchaea
Mesasigone Tanasevitch, 1989
- Mesasigone mira Tanasevitch, 1989
Arachnida → Araneae → Linyphiidae , Mesida
Mesilla Simon, 1903
- Mesilla anyphaenoides Caporiacco, 1954
- Mesilla vittiventris Simon, 1903 tipična
Arachnida → Araneae → Anyphaenidae
Mesiotelus Simon, 1897
- Mesiotelus alexandrinus (Simon, 1880)
- Mesiotelus annulipes (Kulczyński, 1897)
- Mesiotelus cyprius Kulczyński, 1908
- Mesiotelus grancanariensis Wunderlich, 1992
- Mesiotelus kulczynskii Charitonov, 1946
- Mesiotelus libanicus (Simon, 1878)
- Mesiotelus lubricus (Simon, 1880)
- Mesiotelus maderianus Kulczyński, 1899
- Mesiotelus mauritanicus Simon, 1909
- Mesiotelus pococki Caporiacco, 1949
- Mesiotelus scopensis Drensky, 1935
- Mesiotelus tenellus (Thorell, 1875)
- Mesiotelus tenuissimus (L. Koch, 1866) tipična
- Mesiotelus viridis (L. Koch, 1867)
- Mesiotelus zonsteini Mikhailov, 1986
Arachnida → Araneae → Liocranidae
- Mesiphiastus
Mesobria Simon, 1898
- Mesobria guttata Simon, 1898
Arachnida → Araneae → Liocranidae , Mesobryobia , Mesolaelaps , Mesoplophora , Mesoplophoridae , Mesoplophoroidea
†Mesoscorpionina Stockwell, 1989
- Heloscorpio Kjellesvig-Waering, 1986 † [1]
- Mazonia Meek & Worthen, 1868 † [1]
- Mesophonus Wills, 1910 † [1]
- Paraisobuthus Kjellesvig-Waering, 1986 † [1]
- Phoxiscorpio Kjellesvig-Waering, 1986 †
- Telmatoscorpio Kjellesvig-Waering, 1986 † [1]
Arachnida → Dromopoda → Scorpiones
Mesostalita Deeleman-Reinhold, 1971
- Mesostalita comottii (Gasparo, 1999)
- Mesostalita kratochvili Deeleman-Reinhold, 1971
- Mesostalita nocturna (Roewer, 1931)
Arachnida → Araneae → Dysderidae , Mesostigmata , Mesotritia
Messapus Simon, 1898
- Messapus martini Simon, 1898
- Messapus natalis (Pocock, 1898)
Arachnida → Araneae → Corinnidae , Messua , Mesudus
Met
, Meta , Metabelba , Metabelbella , Metabus , Metacleobis , Metacleocnemis , Metacyrba , Metadiaea
Metafroneta Blest, 1979
- Metafroneta minima Blest, 1979
- Metafroneta sinuosa Blest, 1979 tipična
- Metafroneta subversa Blest & Vink, 2002
Arachnida → Araneae → Linyphiidae , Metagonia
Metaleptyphantes Locket, 1968
- Metaleptyphantes bifoliatus Locket, 1968
- Metaleptyphantes cameroonensis Bosmans, 1986
- Metaleptyphantes carinatus Locket, 1968
- Metaleptyphantes clavator Locket, 1968
- Metaleptyphantes dentiferens Bosmans, 1979
- Metaleptyphantes dubius Locket & Russell-Smith, 1980
- Metaleptyphantes familiaris Jocqué, 1984
- Metaleptyphantes foulfouldei Bosmans, 1986
- Metaleptyphantes kraepelini (Simon, 1905)
- Metaleptyphantes machadoi Locket, 1968 tipična
- Metaleptyphantes ovatus Scharff, 1990
- Metaleptyphantes perexiguus (Simon & Fage, 1922)
- Metaleptyphantes praecipuus Locket, 1968
- Metaleptyphantes triangulatus Holm, 1968
- Metaleptyphantes uncinatus Holm, 1968
- Metaleptyphantes vates Jocqué, 1983
- Metaleptyphantes vicinus Locket, 1968
Arachnida → Araneae → Linyphiidae
Metaltella Mello-Leitão, 1931
- Metaltella arcoiris (Mello-Leitão, 1943)
- Metaltella iheringi (Keyserling, 1891)
- Metaltella imitans (Mello-Leitão, 1940)
- Metaltella rorulenta (Nicolet, 1849)
- Metaltella simoni (Keyserling, 1878)
- Metaltella tigrina (Mello-Leitão, 1943)
Arachnida → Araneae → Amphinectidae
Metamynoglenes Blest, 1979
- Metamynoglenes absurda Blest & Vink, 2002
- Metamynoglenes attenuata Blest, 1979
- Metamynoglenes flagellata Blest, 1979
- Metamynoglenes gracilis Blest, 1979
- Metamynoglenes helicoides Blest, 1979
- Metamynoglenes incurvata Blest, 1979 tipična
- Metamynoglenes magna Blest, 1979
- Metamynoglenes ngongotaha Blest & Vink, 2002
Arachnida → Araneae → Linyphiidae
Metanapis Brignoli, 1981
- Metanapis bimaculata (Simon, 1895)
- Metanapis mahnerti Brignoli, 1981
- Metanapis montisemodi (Brignoli, 1978)
- Metanapis plutella (Forster, 1974)
- Metanapis tectimundi (Brignoli, 1978)
Arachnida → Araneae → Anapidae
Metapanamomops Millidge, 1977
- Metapanamomops kaestneri (Wiehle, 1961)
Arachnida → Araneae → Linyphiidae , Metaphidippus , Metapyroppia , Metasolpuga
Metazygia F. O. Pickard-Cambridge, 1904
- Metazygia adisi Levi, 1995
- Metazygia aldela Levi, 1995
- Metazygia amalla Levi, 1995
- Metazygia arnoi Levi, 1995
- Metazygia atalaya Levi, 1995
- Metazygia atama Levi, 1995
- Metazygia bahama Levi, 1995
- Metazygia bahia Levi, 1995
- Metazygia barueri Levi, 1995
- Metazygia benella Levi, 1995
- Metazygia bolivia Levi, 1995
- Metazygia calix (Walckenaer, 1841)
- Metazygia carimagua Levi, 1995
- Metazygia carolinalis (Archer, 1951)
- Metazygia carrizal Levi, 1995
- Metazygia castaneoscutata (Simon, 1895)
- Metazygia cazeaca Levi, 1995
- Metazygia chenevo Levi, 1995
- Metazygia chicanna Levi, 1995
- Metazygia cienaga Levi, 1995
- Metazygia corima Levi, 1995
- Metazygia corumba Levi, 1995
- Metazygia crabroniphila Strand, 1916
- Metazygia crewi (Banks, 1903)
- Metazygia cunha Levi, 1995
- Metazygia curari Levi, 1995
- Metazygia dubia (Keyserling, 1864)
- Metazygia ducke Levi, 1995
- Metazygia enabla Levi, 1995
- Metazygia erratica (Keyserling, 1883)
- Metazygia floresta Levi, 1995
- Metazygia genaro Levi, 1995
- Metazygia genialis (Keyserling, 1892)
- Metazygia goeldii Levi, 1995
- Metazygia gregalis (O. Pickard-Cambridge, 1889)
- Metazygia ikuruwa Levi, 1995
- Metazygia incerta (O. Pickard-Cambridge, 1889)
- Metazygia ipago Levi, 1995
- Metazygia ipanga Levi, 1995
- Metazygia isabelae Levi, 1995
- Metazygia ituari Levi, 1995
- Metazygia jamari Levi, 1995
- Metazygia keyserlingi Banks, 1929
- Metazygia lagiana Levi, 1995
- Metazygia laticeps (O. Pickard-Cambridge, 1889)
- Metazygia lazepa Levi, 1995
- Metazygia levii Santos, 2003
- Metazygia limonal Levi, 1995
- Metazygia lopez Levi, 1995
- Metazygia loque Levi, 1995
- Metazygia manu Levi, 1995
- Metazygia mariahelenae Levi, 1995
- Metazygia matanzas Levi, 1995
- Metazygia moldira Levi, 1995
- Metazygia mundulella (Strand, 1916)
- Metazygia nigrocincta (F. O. Pickard-Cambridge, 1904)
- Metazygia nobas Levi, 1995
- Metazygia octama Levi, 1995
- Metazygia oro Levi, 1995
- Metazygia pallidula (Keyserling, 1864)
- Metazygia paquisha Levi, 1995
- Metazygia pastaza Levi, 1995
- Metazygia patiama Levi, 1995
- Metazygia peckorum Levi, 1995
- Metazygia pimentel Levi, 1995
- Metazygia redfordi Levi, 1995
- Metazygia rogenhoferi (Keyserling, 1878)
- Metazygia rothi Levi, 1995
- Metazygia samiria Levi, 1995
- Metazygia saturnino Levi, 1995
- Metazygia sendero Levi, 1995
- Metazygia serian Levi, 1995
- Metazygia silvestris (Bryant, 1942)
- Metazygia souza Levi, 1995
- Metazygia taman Levi, 1995
- Metazygia tanica Levi, 1995
- Metazygia tapa Levi, 1995
- Metazygia uma Levi, 1995
- Metazygia uraricoera Levi, 1995
- Metazygia uratron Levi, 1995
- Metazygia valentim Levi, 1995
- Metazygia vaupes Levi, 1995
- Metazygia vaurieorum Levi, 1995
- Metazygia viriosa (Keyserling, 1892)
- Metazygia voluptifica (Keyserling, 1892)
- Metazygia voxanta Levi, 1995
- Metazygia wittfeldae (McCook, 1894)
- Metazygia yobena Levi, 1995
- Metazygia yucumo Levi, 1995
- Metazygia zilloides (Banks, 1898)
Arachnida → Araneae → Araneidae , Metellina
Metepeira F. O. Pickard-Cambridge, 1903
- Metepeira arizonica Chamberlin & Ivie, 1942
- Metepeira atascadero Piel, 2001
- Metepeira bengryi (Archer, 1958)
- Metepeira brunneiceps Caporiacco, 1954
- Metepeira cajabamba Piel, 2001
- Metepeira calamuchita Piel, 2001
- Metepeira celestun Piel, 2001
- Metepeira chilapae Chamberlin & Ivie, 1936
- Metepeira comanche Levi, 1977
- Metepeira compsa (Chamberlin, 1916)
- Metepeira crassipes Chamberlin & Ivie, 1942
- Metepeira datona Chamberlin & Ivie, 1942
- Metepeira desenderi Baert, 1987
- Metepeira foxi Gertsch & Ivie, 1936
- Metepeira galatheae (Thorell, 1891)
- Metepeira glomerabilis (Keyserling, 1892)
- Metepeira gosoga Chamberlin & Ivie, 1935
- Metepeira grandiosa Chamberlin & Ivie, 1941
- Metepeira gressa (Keyserling, 1892)
- Metepeira inca Piel, 2001
- Metepeira incrassata F. O. Pickard-Cambridge, 1903
- Metepeira jamaicensis Archer, 1958
- Metepeira karkii (Tullgren, 1901)
- Metepeira labyrinthea (Hentz, 1847)
- Metepeira lacandon Piel, 2001
- Metepeira lima Chamberlin & Ivie, 1942
- Metepeira maya Piel, 2001
- Metepeira minima Gertsch, 1936
- Metepeira nigriventris (Taczanowski, 1878)
- Metepeira olmec Piel, 2001
- Metepeira pacifica Piel, 2001
- Metepeira palustris Chamberlin & Ivie, 1942
- Metepeira petatlan Piel, 2001
- Metepeira pimungan Piel, 2001
- Metepeira rectangula (Nicolet, 1849)
- Metepeira revillagigedo Piel, 2001
- Metepeira roraima Piel, 2001
- Metepeira spinipes F. O. Pickard-Cambridge, 1903
- Metepeira tarapaca Piel, 2001
- Metepeira triangularis (Franganillo, 1930)
- Metepeira uncata F. O. Pickard-Cambridge, 1903
- Metepeira ventura Chamberlin & Ivie, 1942
- Metepeira vigilax (Keyserling, 1893)
- Metepeira ypsilonota Mello-Leitão, 1940
Arachnida → Araneae → Araneidae
Methesis Simon, 1896
- Methesis brevitarsa Caporiacco, 1954
- Methesis semirufa Simon, 1896
Arachnida → Araneae → Corinnidae , Metleucauge
Metopobactrus Simon, 1884
- Metopobactrus ascitus (Kulczyński, 1894)
- Metopobactrus cavernicola Wunderlich, 1992
- Metopobactrus deserticola Loksa, 1981
- Metopobactrus falcifrons Simon, 1884 tipična
- Metopobactrus nadigi Thaler, 1976
- Metopobactrus nodicornis Schenkel, 1927
- Metopobactrus orbelicus Deltshev, 1985
- Metopobactrus pacificus Emerton, 1923
- Metopobactrus prominulus (O. Pickard-Cambridge, 1872)
- Metopobactrus verticalis (Simon, 1881)
Arachnida → Araneae → Linyphiidae , Metriopelma , Metrioppia , Metrioppiidae , Metriura
Mex
, Mexcala , Mexentypesa , Mexiceremus , Mexigonus
Mexitlia Lehtinen, 1967
- Mexitlia altima Bond & Opell, 1997
- Mexitlia grandis (O. Pickard-Cambridge, 1896)
- Mexitlia trivittata (Banks, 1901)
Arachnida → Araneae → Dictynidae
Mey
, Meyernychus
Mez
, Mezranobia