Rhachitomi is a suborder of . There are 0 species of Rhachitomi, in 0 genera and 5 families. This suborder has been around since the pennsylvanian sub-period. They are carnivores.
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: position of an organism in a food web. May be described verbally with descriptors including primary producer, herbivore or carnivore. If described numerically, 1 indicates a primary producer, 2 a herbivore, and so on up the food web.