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Fritz I, Strömpl C, Abraham WR. Phylogenetic relationships of the genera Stella, Labrys and Angulomicrobium within the 'Alphaproteobacteria' and description of Angulomicrobium amanitiforme sp. nov. Int J Syst Evol Microbiol. 2004, 54 (Pt 3): 651–7. PMID 15143003. doi:10.1099/ijs.0.02746-0.
Wanger G, Onstott TC, Southam G. Stars of the terrestrial deep subsurface: A novel 'star-shaped' bacterial morphotype from a South African platinum mine. Geobiology. 2008, 6 (3): 325–30. PMID 18498531. doi:10.1111/j.1472-4669.2008.00163.x.