Traits taxon details
original description
Fredericks, G. N. (1928). Communication for the Classification of the Genus Productus. <em>Bull. Com. Géol. Leningrad.</em> 46(7): 773-792. [details]
taxonomy source
Waterhouse, J. B. (2013). The evolution and classification of Productida. <em>Earthwise.</em> 10: 1-537. note: Allocates genus to Subfamily Tubersulculinae (Tribe Tubersulculini). [details]
basis of record
Treatise on Invertebrate Paleontology. (1997-2007). Part H revised, Brachiopoda. <em>Geological Society of America, Boulder; and University of Kansas Press, Lawrence,.</em> vol. 1-6. note: Williams et al. (2000) Part H Brachiopoda (revised): Volumes 2 & 3, Linguliformea, Craniiformea, Rhynchonelliformea (part). [details]
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