Oren A et al. (2019), PubMed:
abstractOren, A., Garrity, G.M., Spring, S., Onrust, L., Petzoldt, D., Eeckhaut, V., De Maesschalck, C., Haesebrouck, F., Rautenschlein, S., Ducatelle, R., Van Immerseel, F., and Taras, D. "Valid publication of the names Caecibacterium and Caecibacterium sporoformans." Int. J. Syst. Evol. Microbiol. (2019) 69(2):452-453.