sto  Sulfurisphaera tokodaii
         soh  Sulfurisphaera ohwakuensis
         sjv  Sulfurisphaera javensis
         sso  Saccharolobus solfataricus P2
         sol  Saccharolobus solfataricus 98/2
         ssoa  Saccharolobus solfataricus SULA
         sshi  Saccharolobus shibatae
         scas  Saccharolobus caldissimus
         sis  Saccharolobus islandicus L.S.2.15
         sia  Saccharolobus islandicus M.14.25
         sim  Saccharolobus islandicus M.16.27
         sid  Saccharolobus islandicus M.16.4
         siy  Saccharolobus islandicus Y.G.57.14
         sin  Saccharolobus islandicus Y.N.15.51
         sii  Saccharolobus islandicus L.D.8.5
         sih  Saccharolobus islandicus HVE10/4
         sir  Saccharolobus islandicus REY15A
         sic  Saccharolobus islandicus LAL14/1
         sula  Saccharolobus sp. A20
         sule  Saccharolobus sp. E5-1-F
         sai  Sulfolobus acidocaldarius DSM 639
         sacn  Sulfolobus acidocaldarius N8
         sacr  Sulfolobus acidocaldarius Ron12/I
         sacs  Sulfolobus acidocaldarius SUSAZ
         sulo  Sulfolobus sp. E11-6
         sull  Sulfolobus sp. S-194
         mse  Metallosphaera sedula DSM 5348
         memj  Metallosphaera sedula MJ1HA
         mpru  Metallosphaera sedula Ron 12/II
         mcn  Metallosphaera cuprina
         mhk  Metallosphaera hakonensis JCM 8857 = DSM 7519
         mten  Metallosphaera tengchongensis
         mjn  Metallosphaera javensis
         aho  Acidianus hospitalis
         aman  Acidianus manzaensis
         abri  Acidianus brierleyi
         asul  Acidianus sulfidivorans
         aamb  Acidianus ambivalens
         acih  Acidianus sp. HS-5
         sacd  Sulfodiicoccus acidiphilus
         sazo  Stygiolobus azoricus
         csty  Stygiolobus caldivivus
         step  Sulfuracidifex tepidarius
         smet  Sulfuracidifex metallicus
         sahs  Sulfolobales archaeon HS-7