Order Araneida Clerck, 1757 - spiders
Count: [*†*] 41f;23g;2s; †14f;52g;78s
   Suborder Araneae Clerck, 1757 - tailless spiders
  Count: [*†*] 41f;23g;2s; †13f;52g;78s
     Infraorder Opisthothelae Pocock, 1892 - unsegmented spiders
    Count: [*†*] 41f;23g;2s; †13f;52g;78s
       Microorder Mygalomorpha Pocock, 1892 - mygalomorphs see [unranked] Mygalomorphae Pocock, 1892
      Count: [*†*] 11f;13g; †1f;9g;8s
         Family †Fossilcalcaridae Wunderlich, 2015 [monotypic]
        Count: [†*] †1g;1s [14 Oct 2024]
           1 Genus †Fossilcalcarus Wunderlich, 2020, orth. inval. [monotypic] see Genus Fossilcalcar Wunderlich, 2015
          Count: [†*] †1s [14 Oct 2024]