Traits taxon details
original description
(of Pecten (Entolium) pittensis J. P. Smith, 1927 †) Smith, J. P. (1927). Upper Triassic marine invertebrate faunas of North America. <em>United States Geological Survey Professional Paper.</em> 141: 1-262, pls. 1-121. page(s): 121, pl. 7, fig. 5 [details] Available for editors 
basis of record
Allasinaz, A. (1972). Revisione dei Pettinidi Triassici. <em>Rivista Italiana di Paleontologia e Stratigrafia.</em> 78(2): 189-428. Milano. page(s): 226 [details] Available for editors 
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