Östman, C., Roat Kultima, J. and Roat, C. 2010. Tentacle cnidae of the sea anemone Metridium senile (Linnaeus, 1761) (Cnidaria: Anthozoa). Scientia Marina. 74, 3 (Sep. 2010), 511–521. DOI:https://doi.org/10.3989/scimar.2010.74n3511.