New studies employing different approaches are always necessary in science, and therefore, we conducted a chemical approach to the peculiar crinoids (Kato et al. 2017), for which morphological study was already published by Hunter et al. (2016). Comments by Hunter et al. (2018) to our paper (Kato et al. 2017) pointed out that the conclusion and interpretation of Kato et al. (2017) have omitted or restated the discussion in Hunter et al. (2016) without citation. However, we did cite their paper multiple times and our study was based on a different approach, so this is...

You do not currently have access to this article.