fixed two very serious and related but distinct bugs in getOriginalCombination (only spellings were checked, but the original combination may never be used as a spelling; spellings when used as a parent were not checked, but might be the only uses)
fixed two very serious and related but distinct bugs in getOriginalCombination (only spellings were checked, but the original combination may never be used as a spelling; spellings when used as a parent were not checked, but might be the only uses)

paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new