WoRMS taxon details
Nomenclatureoriginal description
(of Grammysia (Grammysioidea) H. S. Williams & Breger, 1916 †) Williams, H. S.; Breger, C. L. (1916). The fauna of the Chapman sandstone of Maine, including descriptions of some related species from the Moose River sandstone. <em>United States Geological Survey Professional Paper.</em> 89: 1-347., available online at https://doi.org/10.3133/pp89 page(s): 133 [details] 
basis of record
Klug, C.; Kröger, B.; Rücklin, M.; Korn, D.; Schemm-Gregory, M.; De Baets, K.; Mapes, R. H. (2008). Ecological change during the early Emsian (Devonian in the Tafilalt (Morocco), the origin of the Ammonoidea, and the first African pyrgocystid edrioasteroids, machaerids and phyllocarids. <em>Palaeontographica, Abt. A.</em> 283(4-6): 83-176. page(s): 121 [details] Available for editors [request]
Otheradditional source
McAlester, A. L. (1962). Upper Devonian Pelecypods of the New York Chemung Stage. <em>Bulletin of the Peabody Museum of Natural History.</em> 16: 1-88, 32 pls. page(s): 57 [details] Available for editors [request]
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