Parvorder:   Iurida
      And than, there is the rest of them; all scorpion families that are not Buthidae belong to any of six superfamilies that make up the Parvorder: Iurida.   There is reasonable argument fot the idea that the parvorder taxons can be done away with as it has been noted that the Buthidae are a sister-group to all other scorpion families combined.  However as there is currently no concensus on the classification of scorpions below the level of 'Order', there is no choice but to maintain the status quo here as well.
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     The distribution of the Iurida is similar to that of the Buthida although the Iurids appear to be more tolerant of cooler climate than their counterparts.  Subsequently they reach further north and further south in the northern and southern hemisphere respectively. They also are more widespread among the Pacific Island nations but, interestingly there are no scorpions of any kind to be found in New Zealand. Iurids make up just over half of all known scorpion species; about 1400 species in 133 genera in 22 families.        
      Two of the superfamilies are represented in the Northern Rivers region but  diversity is  scant with only five species listed on these pages as local contenders and three of those listed are not even 100 % certain.
References  and  links:

>      Fet, V.,  Sissom, W.D.,  Lowe, G.  and  Braunwalder, M.E..  (2000).   'Catalog of the Scorpions of the World (1758-1998).'  New York Entomological Society, 2000.

      https://biodiversity.org.au/afd/taxa/SCORPIONES/checklist​
      https://inaturalist.ala.org.au/taxa/1323570-Iurida

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