homotypic synonym, validly published under the ICNP, distinct rank
The e-mail address of the corresponding author given in the effective publication is not functional any more.
Bacillussubtilis subsp. spizizenii is the correct name if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Bacillussubtilis within a separate genus Bacillus.
See also Ruiz-Garcia et al. (2005).Publication:
Ruiz-Garcia C, Quesada E, Martinez-Checa F, Llamas I, Urdaci MC, Bejar V. Bacillus axarquiensis sp. nov. and Bacillus malacitensis sp. nov., isolated from river-mouth sediments in southern Spain. Int J Syst Evol Microbiol 2005; 55:1279-1285.