| streptococcus canis | 16 | species | bacteria | bacteria | 1329 |
| streptococcus criceti | 10 | species | bacteria | bacteria | 1333 |
| streptococcus dysgalactiae | 37 | species | bacteria | bacteria | 1334 |
| streptococcus equinus | 52 | species | bacteria | bacteria | 1335 |
| streptococcus equi | 30 | species | bacteria | bacteria | 1336 |
| streptococcus intermedius | 31 | species | bacteria | bacteria | 1338 |
| streptococcus uberis | 41 | species | bacteria | bacteria | 1349 |
| enterococcus | 156 | genus | bacteria | | 1350 |
| enterococcus faecalis | 132 | species | bacteria | bacteria | 1351 |
| enterococcus faecium | 116 | species | bacteria | bacteria | 1352 |
| enterococcus gallinarum | 35 | species | bacteria | bacteria | 1353 |
| enterococcus hirae | 63 | species | bacteria | bacteria | 1354 |
| lactococcus | 123 | genus | bacteria | | 1357 |
| lactococcus garvieae | 34 | species | bacteria | bacteria | 1363 |
| planococcus | 30 | genus | bacteria | | 1372 |
| aerococcus | 31 | genus | bacteria | | 1375 |
| aerococcus viridans | 28 | species | bacteria | bacteria | 1377 |
| gemella | 25 | genus | bacteria | | 1378 |
| atopobium | 26 | genus | bacteria | | 1380 |
| atopobium rimae | 6 | species | bacteria | bacteria | 1383 |
| bacillus | 270 | genus | bacteria | | 1386 |
| bacillus anthracis | 122 | species | bacteria | bacteria | 1392 |
| brevibacillus brevis | 57 | species | bacteria | bacteria | 1393 |
| bacillus cereus | 111 | species | bacteria | bacteria | 1396 |
| bacillus circulans | 69 | species | bacteria | bacteria | 1397 |
| bacillus coagulans | 40 | species | bacteria | bacteria | 1398 |
| bacillus licheniformis | 78 | species | bacteria | bacteria | 1402 |
| bacillus mycoides | 28 | species | bacteria | bacteria | 1405 |
| bacillus pumilus | 53 | species | bacteria | bacteria | 1408 |
| lysinibacillus sphaericus | 60 | species | bacteria | bacteria | 1421 |
| bacillus subtilis | 219 | species | bacteria | bacteria | 1423 |
| bacillus thuringiensis | 129 | species | bacteria | bacteria | 1428 |
| paenibacillus larvae | 27 | species | bacteria | bacteria | 1464 |
| clostridium | 198 | genus | bacteria | | 1485 |
| paraclostridium bifermentans | 26 | species | bacteria | bacteria | 1490 |
| clostridium botulinum | 106 | species | bacteria | bacteria | 1491 |
| clostridium butyricum | 53 | species | bacteria | bacteria | 1492 |
| clostridioides difficile | 127 | species | bacteria | bacteria | 1496 |
| hathewaya histolytica | 40 | species | bacteria | bacteria | 1498 |
| clostridium perfringens | 101 | species | bacteria | bacteria | 1502 |
| clostridium septicum | 31 | species | bacteria | bacteria | 1504 |
| paeniclostridium sordellii | 38 | species | bacteria | bacteria | 1505 |
| clostridium sporogenes | 33 | species | bacteria | bacteria | 1509 |
| clostridium tetani | 26 | species | bacteria | bacteria | 1513 |
| [clostridium] piliforme | 15 | species | bacteria | bacteria | 1524 |
| clostridium fallax | 5 | species | bacteria | bacteria | 1533 |
| clostridium novyi | 25 | species | bacteria | bacteria | 1542 |
| erysipelatoclostridium ramosum | 16 | species | bacteria | bacteria | 1547 |
| clostridium tertium | 17 | species | bacteria | bacteria | 1559 |
| clostridium baratii | 16 | species | bacteria | bacteria | 1561 |
| sporosarcina | 25 | genus | bacteria | | 1569 |
| clavibacter | 39 | genus | bacteria | | 1573 |
| lactobacillus | 170 | genus | bacteria | | 1578 |
| lactobacillus sp. | 36 | species | bacteria | bacteria | 1591 |
| listeria | 212 | genus | bacteria | | 1637 |
| listeria ivanovii | 32 | species | bacteria | bacteria | 1638 |
| listeria monocytogenes | 207 | species | bacteria | bacteria | 1639 |
| listeria seeligeri | 25 | species | bacteria | bacteria | 1640 |
| listeria welshimeri | 21 | species | bacteria | bacteria | 1643 |
| renibacterium | 36 | genus | bacteria | | 1645 |
| erysipelothrix | 34 | genus | bacteria | | 1647 |
| erysipelothrix rhusiopathiae | 28 | species | bacteria | bacteria | 1648 |
| alloiococcus | 15 | genus | bacteria | | 1651 |
| actinomyces | 78 | genus | bacteria | | 1654 |
| actinomyces naeslundii | 49 | species | bacteria | bacteria | 1655 |
| actinobaculum suis | 11 | species | bacteria | bacteria | 1657 |
| actinomyces bovis | 13 | species | bacteria | bacteria | 1658 |
| actinomyces israelii | 25 | species | bacteria | bacteria | 1659 |
| actinomyces odontolyticus | 23 | species | bacteria | bacteria | 1660 |
| trueperella pyogenes | 37 | species | bacteria | bacteria | 1661 |
| arthrobacter | 86 | genus | bacteria | | 1663 |
| bifidobacterium | 100 | genus | bacteria | | 1678 |
| bifidobacterium dentium | 13 | species | bacteria | bacteria | 1689 |
| brevibacterium | 70 | genus | bacteria | | 1696 |
| cellulomonas | 67 | genus | bacteria | | 1707 |
| cellulosimicrobium cellulans | 19 | species | bacteria | bacteria | 1710 |
| oerskovia turbata | 8 | species | bacteria | bacteria | 1713 |
| corynebacterium | 116 | genus | bacteria | | 1716 |
| corynebacterium diphtheriae | 64 | species | bacteria | bacteria | 1717 |
| corynebacterium pseudotuberculosis | 33 | species | bacteria | bacteria | 1719 |
| corynebacterium renale | 17 | species | bacteria | bacteria | 1724 |
| corynebacterium xerosis | 21 | species | bacteria | bacteria | 1725 |
| eubacterium | 89 | genus | bacteria | | 1730 |
| eubacterium limosum | 27 | species | bacteria | bacteria | 1736 |
| [eubacterium] tenue | 5 | species | bacteria | bacteria | 1737 |
| propionibacterium | 87 | genus | bacteria | | 1743 |
| propionibacterium acnes | 77 | species | bacteria | bacteria | 1747 |
| propionibacterium propionicum | 18 | species | bacteria | bacteria | 1750 |
| mycobacterium | 260 | genus | bacteria | | 1763 |
| mycobacterium avium | 125 | species | bacteria | bacteria | 1764 |
| mycobacterium bovis | 132 | species | bacteria | bacteria | 1765 |
| mycobacterium fortuitum | 60 | species | bacteria | bacteria | 1766 |
| mycobacterium kansasii | 49 | species | bacteria | bacteria | 1768 |
| mycobacterium leprae | 95 | species | bacteria | bacteria | 1769 |
| mycobacterium avium subsp. paratuberculosis | 79 | subspecies | bacteria | bacteria | 1770 |
| mycobacterium smegmatis | 80 | species | bacteria | bacteria | 1772 |
| mycobacterium tuberculosis | 238 | species | bacteria | bacteria | 1773 |
| mycobacterium chelonae | 58 | species | bacteria | bacteria | 1774 |
| mycobacterium gordonae | 31 | species | bacteria | bacteria | 1778 |
| mycobacterium malmoense | 22 | species | bacteria | bacteria | 1780 |