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Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011
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Actinoptychus undulatus f. sexappendiculata (Grunow in Van Heurck) Cleve-Euler 1951, p. 78
as Actinoptychus undulatus ‘alpha’ typicus f. sexappendiculata
BasionymActinoptychus undulatus f. sexappendiculata Grunow in Van Heurck 1883
CommentsThis entry corresponds to a change of taxonomic opinion, not a new combination although listed as such by VanLandingham 1967, p. 142 (ref. 006293). Cleve-Euler refers to Van Heurck 1883, pl. 122, fig. 1-2 (ref. 001037)
Published inCleve-Euler, A. (Cleve) 1951 [ref. 000255]. Die Diatomeen von Schweden und Finnland. Part I, Centricae. Kongliga Svenska Vetenskaps-Akademiens Handligar, ser. 4, 2(1):1-163, figs 1-294, 6 pls.
Type     INA card not found. Click here to check this name in the INA website.
CollectorAssessment of record accuracyuncertain/not verified
List of nomenclatural synonymsActinoptychus areolatus (Ehrenberg) Schmidt in Schmidt et al. 1874
Actinoptychus omphalopelta Grunow 1867
Actinoptychus undulatus f. sexappendiculata Grunow in Van Heurck 1883
Omphalopelta areolata Ehrenberg 1844
Actinocyclus areolatus (Ehrenberg) Brightwell 1860