With the emergence and growing use of PhyloCode there are is a need to be able to properaly add taxonomic opinions using taxon names that contain a dash, i.e., Pan-Chelydridae, etc. Currently the system does not allow that.
Please consider adding this possibility or provide an alternative in case it is not possible for formatting purposes, e.g. Pan_Chelydridae or adding another field that could support prefixes (Prefixes could actually work for cases of open nomenclature like cf. and aff. as well.