| abiotrophia defectiva | species | bacteria | bacteria | species | 46125 |
| abiotrophia defectiva atcc 49176 | no rank | bacteria | bacteria | no rank | 592010 |
| abiotrophia para-adiacens | species | bacteria | bacteria | species | 191553 |
| abiotrophia sp. | species | | | species | 76631 |
| abiotrophia sp. hmsc24b09 | no rank | | | species | 1581061 |
| abiotrophia sp. oral clone oh2a | no rank | bacteria | environmental samples | species | 319434 |
| aerococcus christensenii | species | bacteria | bacteria | species | 87541 |
| aerococcus christensenii dsm 15819 = ccug 28831 | no rank | bacteria | bacteria | no rank | 525247 |
| aerococcus sanguinicola | species | bacteria | bacteria | species | 119206 |
| aerococcus sp. 1kp-2016 | no rank | | | species | 1981982 |