An annotated synopsis of paleozoic fossil spores : and the definition of generic groups /

partial synonymy" undoubtedly record close natural relationship, but the names should not be regarded as invalid unless shown to be mutually inclusive.Lacking this, they remain applicable to fossils con- specific with their basic nomenclatural types.For the research worker there are advantages in this conservative view of synonymy, as it tends to promote a more precise differentiation of fossils.This basically, is a fundamental reason for the continued use of technical nomenclature, necessary to progress in the study of fossil plants.