| Abiotrophia defectiva atcc 49176 | Abiotrophia defectiva ATCC 49176 | 1950 | | | |
| Acaryochloris marina mbic11017 | Acaryochloris marina MBIC11017 | 8385 | | | |
| Acetivibrio ethanolgignens | Acetivibrio ethanolgignens | 3553 | | | |
| Acetobacteraceae bacterium at 5844 | Acetobacteraceae bacterium AT-5844 | 5289 | | | |
| Acetobacter aceti 1023 | Acetobacter aceti 1023 | 2650 | | | |
| Acetobacter aceti nbrc 14818 | Acetobacter aceti NBRC 14818 | 3146 | | | |
| Acetobacter cerevisiae | Acetobacter cerevisiae | 2662 | | | |
| Acetobacter cerevisiae gca 001581075 | Acetobacter cerevisiae | 2735 | | | |
| Acetobacter cerevisiae gca 001581105 | Acetobacter cerevisiae | 2734 | | | |
| Acetobacter cibinongensis 4h 1 | Acetobacter cibinongensis | 2757 | | | |
| Acetobacter ghanensis | Acetobacter ghanensis | 2698 | | | |
| Acetobacter indonesiensis 5h 1 | Acetobacter indonesiensis | 2977 | | | |
| Acetobacterium bakii | Acetobacterium bakii | 3498 | | | |
| Acetobacterium woodii dsm 1030 | Acetobacterium woodii DSM 1030 | 3473 | | | |
| Acetobacter malorum gca 001581085 | Acetobacter malorum | 3121 | | | |
| Acetobacter malorum gca 001642635 | Acetobacter malorum | 4065 | | | |
| Acetobacter malorum gca 001580695 | Acetobacter malorum | 2928 | | | |
| Acetobacter malorum gca 001580615 | Acetobacter malorum | 3226 | | | |
| Acetobacter malorum | Acetobacter malorum | 3101 | | | |
| Acetobacter malorum gca 001581035 | Acetobacter malorum | 3170 | | | |
| Acetobacter orientalis 21f 2 | Acetobacter orientalis | 2561 | | | |
| Acetobacter orleanensis jcm 7639 | Acetobacter orleanensis | 2667 | | | |
| Acetobacter pasteurianus gca 001662905 | Acetobacter pasteurianus | 3020 | | | |
| Acetobacter pasteurianus subsp ascendens | Acetobacter pasteurianus | 2856 | | | |
| Acetobacter pasteurianus | Acetobacter pasteurianus | 2578 | | | |
| Acetobacter pasteurianus 386b | Acetobacter pasteurianus 386B | 2876 | | | |
| Acetobacter pasteurianus ifo 3283 01 | Acetobacter pasteurianus IFO 3283-01 | 3050 | | | |
| Acetobacter pasteurianus ifo 3283 01 42c | Acetobacter pasteurianus IFO 3283-01-42C | 2984 | | | |
| Acetobacter pasteurianus ifo 3283 03 | Acetobacter pasteurianus IFO 3283-03 | 3048 | | | |
| Acetobacter pasteurianus ifo 3283 07 | Acetobacter pasteurianus IFO 3283-07 | 3047 | | | |
| Acetobacter pasteurianus ifo 3283 12 | Acetobacter pasteurianus IFO 3283-12 | 3046 | | | |
| Acetobacter pasteurianus ifo 3283 22 | Acetobacter pasteurianus IFO 3283-22 | 3048 | | | |
| Acetobacter pasteurianus ifo 3283 26 | Acetobacter pasteurianus IFO 3283-26 | 3048 | | | |
| Acetobacter pasteurianus ifo 3283 32 | Acetobacter pasteurianus IFO 3283-32 | 3046 | | | |
| Acetobacter pasteurianus subsp pasteurianus lmg 1262 nbrc 106471 | Acetobacter pasteurianus subsp. pasteurianus LMG 1262 = NBRC 106471 | 2820 | | | |
| Acetobacter pomorum | Acetobacter pomorum | 2789 | | | |
| Acetobacter pomorum dm001 | Acetobacter pomorum DM001 | 2408 | | | |
| Acetobacter senegalensis gca 001580995 | Acetobacter senegalensis | 3270 | | | |
| Acetobacter senegalensis | Acetobacter senegalensis | 3605 | | | |
| Acetobacter sp slv 7 | Acetobacter sp | 2789 | | | |
| Acetobacter syzygii 9h 2 | Acetobacter syzygii | 2465 | | | |
| Acetobacter tropicalis gca 001580945 | Acetobacter tropicalis | 3166 | | | |
| Acetobacter tropicalis | Acetobacter tropicalis | 3662 | | | |
| Acetobacter tropicalis nbrc 101654 | Acetobacter tropicalis NBRC 101654 | 3538 | | | |
| Acetohalobium arabaticum dsm 5501 | Acetohalobium arabaticum DSM 5501 | 2282 | | | |
| Acetonema longum dsm 6540 | Acetonema longum DSM 6540 | 4284 | | | |
| Acholeplasma brassicae | Acholeplasma brassicae | 1704 | | | |
| Acholeplasma laidlawii pg 8a | Acholeplasma laidlawii PG-8A | 1380 | | | |
| Acholeplasma oculi | Acholeplasma oculi | 1471 | | | |
| Acholeplasma palmae j233 | Acholeplasma palmae J233 | 1441 | | | |