The TriDeids are an anomalous order within Arachnea parapluviosis. Their relationship to the other orders is not very clear and remains the subject of further study.
Slanderers against their status as Arachnea parapluviosis claim that the TriDeids are not living creatures at all but merely ordinary 3D-prints, a claim vehemently denied by his doctorship von Leverkühn.
Discovered species are :
