modular_aphelion/modules/species_page/code/species_families.dm 
| /datum/species_family | A family on the species page. |
|---|---|
| /datum/species_family/mammalian | Humans and the other mammals. |
| /datum/species_family/reptilian | Lizardfolk and the other scaled species. |
| /datum/species_family/avian | The feathered species. |
| /datum/species_family/aquatic | Species from the sea. |
| /datum/species_family/insectoid | Insects and their kin. |
| /datum/species_family/synthetic | Built bodies: androids, holosynths and proteans. |
| /datum/species_family/elemental | Living energy, mineral, plasma and plant. |
| /datum/species_family/xenobiological | Shown as Exotic: aliens, slimes and other strange life. |
| /datum/species_family/paranormal | The undead and the uncanny. |
| /datum/species_family/holiday | Every species waiting for its holiday, whatever its own family. See get_holiday(). |
| /proc/species_family_id | The id the species page knows a family by: the last part of its typepath. |
| /proc/cmp_species_family_order | Sorts species family types by sort_order, lowest first. |