Stephen P. Hesselbo, Jennifer C. McElwain, Mihai Popa, Finn Surlyk, Matthew Haworth. New floral, sedimentological and isotopic investigation of the Triassic–Jurassic boundary strata in Jameson Land, East Greenland. 3rd Workshop od the IGCP Project 458 Artículo (en ingles)Archivado el 22 de febrero de 2016 en Wayback Machine.
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Erwin, D.H. and Droser, M.L., 1993. Elvis taxa. Palaios, v.8, p.623-624.[1]
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Stephen P. Hesselbo, Jennifer C. McElwain, Mihai Popa, Finn Surlyk, Matthew Haworth. New floral, sedimentological and isotopic investigation of the Triassic–Jurassic boundary strata in Jameson Land, East Greenland. 3rd Workshop od the IGCP Project 458 Artículo (en ingles)Archivado el 22 de febrero de 2016 en Wayback Machine.
