Key Identification Features
- This Astropecten species has a distinct body shape: it has a very small disc and very long, thin arms.
- The two geographic populations have distinct differences in their superomarginal plates.
- At the base of its arms where they attach to the central disc, the arms form very distinct, sharp angles.
- This species can be identified by its very short superomarginal plates, the color of its aboral side, the color of its inferomarginal spines, and its small size.
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