| Sertulaster keslingi Starfish Bobcaygeon Formation Kirkfield, Ontario, Canada Size: 1.8 cm across This is a paratype for the new genus. Published in Journal of Paleontology in 2019. | 
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| Sertulaster keslingi Starfish Bobcaygeon Formation Kirkfield, Ontario, Canada Size: 1.8 cm across This is a paratype for the new genus. Published in Journal of Paleontology in 2019. |
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