Proposal of gen. nov. and gen. nov. as replacement names for the illegitimate prokaryotic generic names and , respectively.

The prokaryotic generic name Downes . 2002 is illegitimate because it is a later homonym of the plant genus Meisner 1840 and the mollusk genus Baker 1941 (Principle 2 and Rule 51b(5) of the International Code of Nomenclature of Prokaryotes). We therefore propose the replacement generic name , with type species comb.

Reclassification of and species as members of the genus Bae . 2007 and emended description of the genus .

The recently proposed genus Deshmukh and Oren 2023 is illegitimate because it includes the type species of the genera Bae . 2007 and Yoon and Oh 2012, contravening Rule 51b(1) of the International Code of Nomenclature of Prokaryotes. As Bae .

Proposal of gen. nov. and gen. nov. as replacement names for the illegitimate prokaryotic generic names and , respectively.

The prokaryotic generic names Bruns . 2001 and Bernard . 2022 are illegitimate because they are later homonyms of the genus names Small 1903 (synonym of ; ) and Stewart and Hendrix 1945 (a Devonian ostracod genus) and Lenz 1973 (a Devonian brachiopod genus), respectively (Principle 2 and Rule 51b(4) of the International Code of Nomenclature of Prokaryotes).

Proposal of gen. nov. and gen. nov. as replacement names for the illegitimate prokaryotic generic names and , respectively.

The prokaryotic generic names Arahal . 2005 and Dai . 2006 are illegitimate because they are later homonyms of the genus names Solier 1849 (Coleoptera) and Zheng 1997 (fossil Rodentia), respectively Principle two and Rule 51b(4) of the International Code of Nomenclature of Prokaryotes].

Proposal of gen. nov., gen. nov., gen. nov. and gen. nov. as replacement names for the illegitimate prokaryotic generic names , , and , respectively.

The prokaryotic generic names Felföldi . 2014, Li . 2017, Sheu .

Proposal of gen. nov., gen. nov. and gen. nov. as replacement names for the illegitimate prokaryotic generic names Nedashkovskaya . 2005, Urios . 2008 and Oliphant . 2022, respectively.

The prokaryotic generic names Nedashkovskaya . 2005, Urios . 2008 and Oliphant .

Proposal of gen. nov. and gen. nov. as replacement names for the illegitimate prokaryotic generic names Zheng . 2020 and Kim . 2007, respectively.

The prokaryotic generic names Zheng . 2020 and Kim . 2007 are illegitimate because they are later homonyms of the names Cossmann 1901, an extinct genus of molluscs (Neogastropoda) and Woodward 1873, an extinct genus of crustaceans (Arthropoda), respectively (Principle 2 and Rule 51b(4) of the International Code of Nomenclature of Prokaryotes).

Proposal of gen. nov. as a replacement name for the illegitimate prokaryotic generic name Li . 2016.

The prokaryotic generic name Li . 2016 is illegitimate because it is a later homonym of the name Foissner, Berger and Schaumburg 1999 (Tintinnidae) (Principle 2 and Rule 51b(4) of the International Code of Nomenclature of Prokaryotes). We therefore propose the replacement generic name with type species comb.