The Diplopoda display uses the 425.5 ± 4.5 Ma Kampecaris age with uncertainty stored separately and does not inflate the error margin into a hard 430 Ma edge.
claim:taxon:diplopoda:fossil-rangeThe Silurian-Devonian fossil record of the Myriapoda
Almond, J.E.; Lawson, J.D.
Year1985
Source rolesystematic-review
DOI / ID10.1098/rstb.1985.0082
Fitness and scope
taxonomy · range
Review regards pre-Pridoli records as questionable and recognizes reliable Diplopoda in the latest Silurian to Lower Devonian.