†family Lapworthuridae Gregory 1897 (brittle star)

Ophiuroidea - Oegophiurida - Lapworthuridae

Synonym: Palaeospondylidae Stürtz 1899

Full reference: J. W. Gregory. 1897. On the classification of the Palaeozoic echinoderms of the group Ophiuroidea. Proceedings of the Zoological Society of London 1896:1028-1044

Parent taxon: Zeugophiurina according to A. Glass and M. Poschmann 2006

See also Owen 1965, Schuchert 1915, Spencer and Wright 1966 and Webster et al. 1999

Sister taxon: Furcasteridae

Subtaxa: Hallaster Lapworthura Miospondylus Ophiopolytretus

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Type: Lapworthura

Ecology: slow-moving low-level epifaunal detritivore-suspension feeder

Distribution:

• Devonian of Australia (1 collection), Germany (1), United States (1: Colorado)

• Silurian of the United Kingdom (1)

• Ordovician of Canada (1: Ontario)

Total: 5 collections including 6 occurrences

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