| PHYLA | In biology, taxonomic groups ranking above classes and below kingdoms |
| TRIBE | Taxonomic group ranking above a genus and below a family or subfamily (5) |
| FAMILY | Taxonomic group ranking above species (6) |
| ORDER | In biology, taxonomic category between class and family (5) |
| SPECIES | Taxonomic group ranking below a genus; from Latin, 'appearance' (7) |
| PHYLUM | A taxonomic rank in biology below kingdom and above class (6) |
| ABILITY | Club riders in racing classes and practice sessions are often separated by this. (7) |
| GENERA | Taxonomic groups in Information Age (6) |
| COHORTS | Taxonomic groups include Pacific salmon starting to rot in backstreet? (7) |
| TENACE | In bridge, whist etc, a pair of high cards ranking above and below a card held by an opponent, e.g. a jack and a king (6) |
| GENUS | Taxonomic group that ranks above species and below family (5) |
| CAPTAIN | In the Australian army, a ranking above a lieutenant and below a major (7) |
| JOSELUIS | Senor Cardoso, 1990s racer from Seville who competed in all GP classes and WSB. (4,4) |
| CONORMCGREGOR | UFC champion in two different weight classes and the highest-paid athlete of 2021: 2 wds. |
| SPA | Resort that might offer yoga classes and body wraps |
| MCJOB | Something to do between classes and homework |
| YMCA | Organization that offers gymnastics classes and summer camps for short |
| LEARN | Attend classes and, as a pupil, be paid (5) |
| RETYPE | Sort that will run bible classes and correct texts? |
| REGENERATE | Reform army personnel classes and note the outcome (10) |
