Added unknown taxon seeding
Added unknown taxon seeding

kbase/data_api,mlhenderson/data_api,kbase/data_api,mlhenderson/data_api,kbase/data_api,kbase/data_api,mlhenderson/data_api,mlhenderson/data_api,kbase/data_api,mlhenderson/data_api,realmarcin/data_api