| direct-children | documentation | graph |
| HoofedMammal | 13 | The Class of quadruped Mammals with hooves. Includes horses, cows, sheep, pigs, antelope, etc. | ^ |
| DomesticAnimal | 9 | Any Animal that is kept by a Human, as a pet, as livestock, for exhibition, etc. | ^ |
| Cow | 3 | A domesticated HoofedMammal that is raised for milk and beef, and is also used for work. | ^ |
| Calf | . | A young Cow, i.e. a Cow that is NonFullyFormed. | ^ |
| Bull | . | A Cow that is Male. | ^ |
| FemaleCow | . | A Cow that is Female. | ^ |
