The e-mail address of the corresponding author given in the effective publication is not functional any more.
Porphyrobactertepidarius is the correct name if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Porphyrobacter.
In the paper by Hanada et al., the type strain DSM 10594 is erroneously cited as DSM 10595.Publication:
Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.
The phylogenetic position of this species was determined in a genome-scale analysis by Hördt et al. (2020).Publication:
Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.