Histophilus somni Angen et al. 2003 Angen Ø. Ahrens P. Kuhnert P. Christensen H. Mutters R. Proposal of Histophilus somni gen. nov., sp. nov. for the three species incertae sedis 'Haemophilus somnus', 'Haemophilus agni' and 'Histophilus ovis'. 2003 53 5 1449 1456 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02637-0 13130032