Mollen, F.H. 2019.

Making Louis Agassiz’s wish come true: combining forces and a new protocol for collecting comparative skeletal material of sharks, skates and rays, as a comment and an addition to ‘The need of providing tooth morphology in descriptions of extant elasmobranch species’ by Guinot et al. (2018)

. Zootaxa. 4571, 2 (Mar. 2019), 295–300. DOI:https://doi.org/10.11646/zootaxa.4571.2.13.