Possible confusions
Étoile patte-d'oie Anseropoda placenta : plus fine, absence de plaques dorsales.
Astérie bossue Asterina gibbosa : couleurs très différentes, absence de plaques dorsales.
Peltaster placenta (Müller & Troschel, 1842)
BioObs, 07/02/2024 : Peltaster placenta (Müller & Troschel, 1842), https://bioobs.fr/en/species-sheets/2118
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