First Member Discovered

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The page for the genus Nitrospira states with this reference:

^ Stanley W. Watson, Eberhard Bock, Frederica W. Valois, John B. Waterbury and Ursula Schlosser (1986). "Nitrospira marina gen. nov. sp. nov.: a chemolithotrophic nitrite-oxidizing bacterium.". Arch Microbiol 144 (1): 1–7. doi:10.1007/BF00454947.

That N. marina was the first member of the genus discovered. The bit about N. mocoviensis being the first of the phylum is wrong then no?