New names of fossil Hemitrapa and Trapa (Lythraceae) Author Doweld, Alexander B. text Phytotaxa 2016 2016-03-14 252 3 228 230 http://dx.doi.org/10.11646/phytotaxa.252.3.5 journal article 10.11646/phytotaxa.252.3.5 1179-3163 13676601 Trapa minor Doweld , nom. nov . Type :— CZECH REPUBLIC : Ostrava-Muglinov, Ostrava, Opravil s.n. (Slezské zemské museum, Opava, Czech republic). Replaced synonym:— Trapa minuta Opravil (1966: 55) , nom. illeg. , non Nikolaeva & Zakirova (1958: 219) . Stratigraphy:—Pleistocene. Trapa minuta Opravil , based on fossil fruits from Pleistocene sediments of then Czechoslovakia (now Czech republic ), is an illegitimate later homonym of the fossil species Trapa minuta Nikolaeva & Zakirova (1958: 219) , which has been established on the fossil fruits from the Pliocene sediments of Mel’ken in Menzelinsk district, Tatarstan republic , Russian Federation (European part). Note:—IFPNI registration record: “ 5204B51A-E201-4D06-A661-AE24F5A5AE82 ”.