Full reference: J. -B. Lamarck. 1816. Histoire naturelle des animaux sans vertèbres, présentant les caractères généraux et particuliers de ces animaux, leur distribution, leurs classes, leurs familles, leurs genres, et la citation des principales espèces qui s'y rattachent. 1(2):522-568
Parent taxon: Euryophiurida according to T. D. O'Hara et al. 2018
See also Jagt 2000, O'Hara et al. 2017 and Smith et al. 1995
Sister taxon: Ophiurida
Subtaxa: Asteronychidae Euryalidae Gorgonocephalidae
Ecology: slow-moving low-level epifaunal detritivore-suspension feeder
Distribution:
• Miocene of Austria (1 collection), Germany (1), Malta (1)
• Cretaceous to Paleogene of the Netherlands (2), Poland (1)
• Cretaceous of Belgium (5), the Czech Republic (3), Denmark (1), Germany (1), the Netherlands (3), Sweden (1)
Total: 20 collections including 28 occurrences