Species list, Checklist of Subfamily Latrodectinae for Guanajuato (North-Central Mexico, Mexico)

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Checklist for Subfamily Latrodectinae Petrunkevitch, 1928
and region Guanajuato (North-Central Mexico, Mexico)

Class	Arachnida Lamarck, 1801 Arachnids	49 80 97	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	42 66 71	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	29 52 59	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	27 50 57	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	24 45 54	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	24 45 54	Families Genera Species	Taxom
Superfamily	Araneoidea Latreille, 1806	4 16 23	Families Genera Species	Taxom
Family	Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders	5 7	Genera Species	Taxom
Subfamily	Latrodectinae Petrunkevitch, 1928	2 4	Genera Species	Taxom

Genera for Guanajuato
2 Genera with 4 Species

Latrodectus Walckenaer, 1775	Black widow spider	3	Species	Taxom
Steatoda Sundevall, 1838	False black widows	1	Species	Taxom

Species list for Guanajuato
4 Species

Latrodectus geometricus C. L. Koch, 1841	Brown black widow
Latrodectus hesperus Chamberlin &..., 1935	Western black widow
Latrodectus mactans (Fabricius, 1775)	⇒ Latrodectus tredecimguttatus Rossi, 1790
Steatoda grossa C. L. Koch, 1838	Brown house spider