Keywords: Oreaster nodosus - Osaka Museum of Natural History - DSC07831.JPG en Dried unidentified sea star Oreaster nodosus is an obsolete name for Protoreaster nodosus but the presence of marginal tubercles indicate this is not a Protoreaster probably rather a Pentaceraster Exhibit in the Osaka Museum of Natural History Osaka Japan Photography was permitted in the museum without restriction Daderot 2012-08-27 22 33 55 Daderot cc0 cc0 Shells in the Osaka Museum of Natural History Oreasteridae Unidentified Asteroidea |