There are 1960238 species of creatures, in 189069 genera and 13438 families. This group has been around since the rhyacian period. Life (Creatures) includes groups like Viruses.
Definition: The number of fossil occurrences in the Paleobiology Database (https://paleobiodb.org) that are identified as belonging to a particular taxon or any of its subtaxa.
Definition: An interaction relationship involving a predation process, where the subject kills the target in order to eat it or to feed to siblings, offspring or group members