| antarctica | | thalassospira lohafexi | species | 46 | 0 |
| australia | | thalassospira australica | species | 66 | 0 |
| australia | | thalassospira permensis | species | 1 | 0 |
| australia | | thalassospira profundimaris | species | 1 | 0 |
| australia | victoria | thalassospira sp. h88 | species | 1 | 0 |
| australia | victoria | thalassospira sp. h94 | species | 1 | 0 |
| brazil | | thalassospira profundimaris | species | 1 | 0 |
| brazil | | thalassospira xiamenensis | species | 1 | 0 |
| brazil | sao paulo | thalassospira sp. | species | 4 | 0 |
| canada | quebec | thalassospira sp. | species | 1 | 0 |
| china | | thalassospira indica | species | 1 | 0 |
| china | | thalassospira lucentensis | species | 2 | 0 |
| china | | thalassospira permensis | species | 2 | 0 |
| china | | thalassospira sp. | species | 80 | 0 |
| china | | thalassospira sp. 16c | species | 1 | 0 |
| china | | thalassospira sp. tvgb1 | species | 1 | 0 |
| china | | thalassospira sp. tvgb12 | species | 1 | 0 |
| china | | thalassospira sp. tvgb2 | species | 1 | 0 |
| china | | thalassospira sp. tvgb3 | species | 1 | 0 |
| china | | thalassospira xiamenensis | species | 1 | 0 |
| china | | thalassospira xiamenensis m-5 = dsm 17429 | no rank | 40 | 0 |
| china | | uncultured thalassospira sp. | species | 6 | 0 |
| china | fujian | thalassospira sp. | species | 1 | 0 |
| china | guangdong | thalassospira marina | species | 1 | 0 |
| china | guangdong | thalassospira povalilytica | species | 11 | 0 |
| china | guangdong | thalassospira sp. | species | 2 | 0 |
| china | guangdong | thalassospira sp. mccc 1a02491 | species | 68 | 0 |
| china | guangxi | thalassospira lucentensis | species | 52 | 0 |
| china | hebei | thalassospira sp. bg-8-e3 | species | 1 | 0 |
| china | hubei | thalassospira povalilytica | species | 19 | 0 |
| china | jiangsu | thalassospira sp. | species | 2 | 0 |
| china | liaoning | thalassospira tepidiphila | species | 1 | 0 |
| china | shandong | thalassospira sp. | species | 1 | 0 |
| china | shandong | thalassospira sp. mccc 1a02803 | species | 46 | 0 |
| china | shandong | thalassospira sp. mccc 1a02898 | species | 30 | 0 |
| china | shandong | thalassospira sp. slg510b2-7-1 | species | 1 | 0 |
| china | shandong | thalassospira sp. tsl5_1 | species | 1 | 0 |
| china | shandong | thalassospira sp. tsl5-1 | species | 28 | 0 |
| china | shandong | thalassospira xiamenensis | species | 134 | 0 |
| china | sichuan | thalassospira tepidiphila | species | 30 | 0 |
| china | tibet | thalassospira sp. dqhs-11 | species | 1 | 0 |
| china | tibet | thalassospira xiamenensis | species | 1 | 0 |
| egypt | | thalassospira permensis | species | 1 | 0 |
| estonia | | uncultured thalassospira sp. | species | 2 | 0 |
| france | | thalassospira sp. s129 | species | 1 | 0 |
| india | | thalassospira australica | species | 1 | 0 |
| india | | thalassospira permensis | species | 1 | 0 |
| india | | thalassospira profundimaris | species | 2 | 0 |
| india | | thalassospira sp. | species | 4 | 0 |
| india | | thalassospira sp. bab-3782 | species | 1 | 0 |
| india | | thalassospira sp. nimme10 | species | 1 | 0 |
| india | | thalassospira tepidiphila | species | 8 | 0 |
| india | | thalassospira xiamenensis | species | 1 | 0 |
| india | | uncultured thalassospira sp. | species | 3 | 0 |
| india | kerala | thalassospira sp. prim-32 | species | 1 | 0 |
| india | kerala | thalassospira sp. prim-34 | species | 1 | 0 |
| india | tamil nadu | thalassospira sp. | species | 4 | 0 |
| indonesia | | thalassospira povalilytica | species | 2 | 0 |
| indonesia | central java province | thalassospira lucentensis | species | 1 | 0 |
| indonesia | central java province | thalassospira profundimaris | species | 1 | 0 |
| italy | | thalassospira sp. | species | 4 | 0 |
| italy | | uncultured thalassospira sp. | species | 2 | 0 |
| japan | | thalassospira alkalitolerans | species | 146 | 0 |
| japan | | thalassospira mesophila | species | 190 | 0 |
| japan | | thalassospira sp. t1-12 | species | 1 | 0 |
| japan | | thalassospira tepidiphila mccc 1a03514 | no rank | 56 | 0 |
| japan | aomori prefecture | thalassospira sp. n5ea13-1a | species | 1 | 0 |
| japan | hiroshima prefecture | thalassospira sp. tama2 | species | 1 | 0 |
| japan | iwate prefecture | thalassospira sp. bp123 | species | 1 | 0 |
| japan | iwate prefecture | thalassospira sp. mn1-382 | species | 1 | 0 |
| japan | iwate prefecture | thalassospira sp. shu-n-sy6-6 | species | 1 | 0 |
| japan | iwate prefecture | thalassospira tepidiphila | species | 1 | 0 |
| japan | iwate prefecture | thalassospira tepidiphila mccc 1a03514 | no rank | 1 | 0 |
| japan | kanagawa prefecture | thalassospira alkalitolerans | species | 2 | 0 |
| japan | kanagawa prefecture | thalassospira mesophila | species | 2 | 0 |
| japan | okinawa prefecture | thalassospira sp. hj | species | 47 | 0 |
| japan | tokyo prefecture | thalassospira povalilytica | species | 50 | 1 |
| kiribati | | thalassospira sp. | species | 1 | 0 |
| kuwait | | uncultured thalassospira sp. | species | 3 | 0 |
| malaysia | sarawak | thalassospira sp. unimas aa-m03 | species | 1 | 0 |
| mexico | | thalassospira sp. | species | 2 | 0 |
| mexico | | uncultured thalassospira sp. | species | 1 | 0 |
| mexico | yucatan | uncultured thalassospira sp. | species | 5 | 0 |
| nigeria | | uncultured thalassospira sp. | species | 4 | 0 |
| norway | | thalassospira sp. aw19m11 | species | 1 | 0 |
| norway | | thalassospira sp. aw25m45 | species | 1 | 0 |
| norway | | thalassospira sp. ba19m05 | species | 1 | 0 |
| norway | | thalassospira sp. kh04j01 | species | 1 | 0 |
| oman | | thalassospira povalilytica | species | 1 | 0 |
| oman | | thalassospira xianhensis | species | 1 | 0 |
| oman | | uncultured thalassospira sp. | species | 2 | 0 |
| palau | | thalassospira sp. g12-1 | species | 1 | 0 |
| poland | | thalassospira permensis | species | 2 | 0 |
| poland | | thalassospira sp. cse_4 | species | 1 | 0 |
| poland | | thalassospira xiamenensis | species | 1 | 0 |
| portugal | | thalassospira sp. | species | 1 | 0 |
| portugal | | thalassospira sp. br-6 | species | 1 | 0 |
| portugal | | thalassospira sp. br-73 | species | 1 | 0 |
| portugal | | thalassospira sp. cpa-4 | species | 1 | 0 |
| portugal | | thalassospira sp. cpa-6 | species | 1 | 0 |
| portugal | | thalassospira sp. cr-41 | species | 1 | 0 |
| portugal | acores autonomous region | thalassospira lucentensis | species | 2 | 0 |
| portugal | acores autonomous region | thalassospira xianhensis | species | 1 | 0 |
| romania | | thalassospira profundimaris | species | 1 | 0 |
| russia | | thalassospira permensis nbrc 106175 | no rank | 146 | 0 |
| russia | | thalassospira sp. m65-3n | species | 1 | 0 |
| russia | perm krai | thalassospira | genus | 0 | 1 |
| saudi arabia | | thalassospira sp. | species | 1 | 0 |
| south korea | | thalassospira lucentensis | species | 1 | 0 |
| south korea | | thalassospira permensis | species | 1 | 0 |
| south korea | | thalassospira povalilytica | species | 1 | 0 |
| spain | | thalassospira lucentensis mccc 1a00383 = dsm 14000 | no rank | 22 | 0 |
| spain | | thalassospira profundimaris | species | 1 | 0 |
| spain | | thalassospira sp. pda15p | species | 1 | 0 |
| spain | | thalassospira sp. rp4 | species | 1 | 0 |
| spain | | uncultured thalassospira sp. | species | 4 | 0 |
| spain | andalusia | thalassospira tepidiphila | species | 1 | 0 |
| spain | galicia | uncultured thalassospira sp. | species | 1 | 0 |
| thailand | | thalassospira sp. t4-101 | species | 1 | 0 |
| tunisia | | thalassospira xiamenensis | species | 2 | 0 |
| turkey | | thalassospira sp. 7be | species | 1 | 0 |
| united states | | thalassospira sp. | species | 1 | 0 |
| united states | | thalassospira sp. elox 6 | species | 1 | 0 |
| united states | | thalassospira sp. jdc20 | species | 1 | 0 |
| united states | | thalassospira sp. kmt001 | species | 1 | 0 |
| united states | | thalassospira sp. kmt005 | species | 1 | 0 |
| united states | | thalassospira tepidiphila | species | 1 | 0 |
| united states | california | thalassospira sp. kmt001 | species | 1 | 0 |
| united states | florida | thalassospira sp. | species | 1 | 0 |
| united states | florida | uncultured thalassospira sp. | species | 1 | 0 |
| united states | georgia | thalassospira lucentensis | species | 15 | 0 |
| united states | north carolina | thalassospira sp. kmt005 | species | 1 | 0 |
| united states | wisconsin | thalassospira sp. nap_22 | species | 302 | 0 |