Traits taxon details
original description
Carter, J. L.; Johnson, J. G.; Gourvennec, R.; Hou, H. (1994). A revised classification of the spiriferid brachiopods. <em>Annals of Carnegie Museum.</em> 63: 327-374. [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 diagnosis and re-assessment of genera. Excluding the genus Multispirifer to a new family. [details]
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