Traits taxon details
original description
Jones, B.; Boucot, A. J. (1983). Spiriferida from the Lower Devonian strata of Southwest Ellesmere Island, Arctic Canada. <em>Journal of Paleontology.</em> 57: 327-346. [details]
taxonomy source
Schemm-Gregory, M. (2008). New interpretations of the phylogeny and taxonomy of delthyridoid spiriferids (Brachiopoda, Lower and Middle Devonian). <em>Bulletin of Geosciences.</em> 83(4): 401-448., available online at https://doi.org/10.3140/bull.geosci.2008.04.401 note: Provides re-diagnosis of genus. [details]
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