Proposal to modify Rule 12c of the International Code of Nomenclature of Prokaryotes Oren, Aharon,, 67, 761-762 (2017), doi = https://doi.org/10.1099/ijsem.0.001699, publicationName = Microbiology Society, issn = 1466-5026, abstract= According to the current version of Rule 12c of the International Code of Nomenclature of Prokaryotes, one of the ways in which a specific epithet can be treated is as an adjective that must agree in gender with the generic name. I propose emending this part of Rule 12c to specify that such adjectives must be in the singular form in the nominative case., language=, type=