| Type | Fossil range | ||||||
| Language | English | ||||||
| ISO 639-3 | eng | ||||||
| Note | Ludlowian, Upper Silurian | ||||||
| Source | Smith, A. B. & Kroh, A. (editor) 2011. The Echinoid Directory. World Wide Web electronic publication. http://www.nhm.ac.uk/research-curation/projects/echinoid-directory available online at http://www.nhm.ac.uk/research-curation/projects/echinoid-directory | ||||||
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