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In the , (and taxonomic systems based on it), the Family is a taxonomic category between and . It might seem strange that a family is considered higher than a tribe (i.e. a family can contain many tribes, but not vice versa), but such is the way these names are. When there are no tribes, the family is a taxonomic category between and . Even more than an order, a family is a group of organisms among which the differences are quite minor, e.g. - horses and their relatives, - horned dinosaurs, or - humans and other great apes. Some families contain thousands of , others might only have a single species.
The suffix used also differs according to whether the group is of (-idae) or , , or (-aceae)
In addition there are several intemediate ranks, as shown below:
| rank | suffix (animals) | suffix (plants, fungi, bacteria) |
| Magnafamily (rarely used) | - idea | n/a |
| Superfamily | - oidea | - acea |
| Family | - idae | - aceae |
| Subfamily | - inae | - oideae |
The revolution means that these various rankings are less often used, or when used, are used in a more non-Linnaean manner - e.g. in (e.g. rankings), a with two genera may be called a subfamily, and two subfamilies united in a family, even if these rankings are not completely equivalent to the traditional Linnaean practice
Credits: Palaeos com MAK020520, copied to Palaeos org and table modified MAK060929