Traits taxon details
original description
Hatai, K. M. (1938). The Tertiary and Recent Brachiopoda of Northeast Honsyu, Japan. <em>Saito Ho-on Kai Museum Research Bulletin.</em> 16: 89–246, pl. 16–20. note: Described as a subgenus of genus Dallina. [details]
taxonomy source
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. (2007) Treatise on Invertebrate Paleontology Part H, Revised, Brachiopoda Volume 6: Supplement 6 (p. 2810) regards Pegmathyris as a genus. [details]
additional source
Hatai, K. M. (1940). The Cenozoic Brachiopoda of Japan. <em>Science Reports of the Tohuku Imperial University, Sendai, Japan (second series, Geology).</em> 20: 1-413, 12 plates. note: Hatai (1940, p. 325) recognized Pegmathyris as a subgenus of Dallina. [details] Available for editors 
|