From the intracellular microsources to the most sophisticated photophores, the characterization of photogenic structures may, in some cases, require the development and combination of original approaches and criteria.
Gouveneaux, A., & Mallefet, J. (2014). Characterization of photogenic sites in deep-sea planktonic worms: a comparative approach within Tomopteridae. Luminescence : journal of biological and chemical luminescence, 29(sppl.1), 1-106. https://hdl.handle.net/2078.5/40024 (Original work published 2014)