Pinnularia microstauron (Ehrenb.) Cleve, Acta Soc. Fauna Fl. Fenn. 8(2): p. 28. 1891

Silva, Weliton Jose da, Jahn, Regine & Menezes, Mariangela, 2012, Diatoms from Brazil: the taxa recorded by Christian Gottfried Ehrenberg, PhytoKeys 18, pp. 19-37 : 21

Pinnularia microstauron (Ehrenb.) Cleve, Acta Soc. Fauna Fl. Fenn. 8(2): p. 28. 1891 Fig. 13

Stauroptera microstauron Ehrenb., Abh. K. Akad. Berlin, Phys. Kl. 1841: 423, Tafel I, Fig IV: 1, Tafel IV, Fig II: 2, 1843. [Basionym]

Lectotype (designated here).

Specimen in preparation 180502d, marked with red (r) ring, from sample 1104, "Praya de Sernambatyba, Rio de Janeiro", Ehrenberg Collection, in BHUPM (Museum für Naturkunde) ( Fig. 13 ).

Locality of the lectotype.

"Praya de Sernambatyba", Rio de Janeiro, Brazil.

Locality of the syntype.

Labrador.

Original description.

" testula styliformis a ventre linearis, lateribus rectis, apicibus arcte constrictis late rotundatis."

Krammer (1992, pl. 32, fig. 10) [reproduction of Ehrenberg’s published figure (1843, Tafel I, Fig. IV:1)] defined an “iconotype” for Pinnularia microstauron . Since we found the specimen used by Ehrenberg to describe the species, we designated it here as lectotype of the species. Stauroptera microstauron was described for two samples from Brazil and Canada (Labrador) ( Ehrenberg 1843, p. 387). However, we did not find any mentioning of Stauroptera microstauron in the legends of the mica from Labrador (250509 to 250516). Therefore, we defined the lectotype from the material from Brazil.

Figures

Figures 6 - 14. Diatoms from Brazil published by Christian Gottfried Ehrenberg 6 - 7 Eunotia bidens Ehrenb 6 Lectotype, preparation 180404 b, marked with yellow (g) ring, from sample 1099 " Rio Conigo in Rio de Janeiro ", Ehrenberg Collection, in BHUPM (Museum fuer Naturkunde) 7 Another specimen of Eunotia bidens found in preparation 180405 a, marked with yellow (g) ring 8 - 9 Eunotia depressa Ehrenb 8 Lectotype, preparation 180403 a, marked with yellow (g) ring, from sample 1099, " Rio Conigo in Rio de Janeiro ", Ehrenberg Collection, in BHUPM 9 Eunotia depressa provided by Ehrenberg (1843, Tafel I, Fig IV: 6 b) 10 - 12 Eunotia elephas Ehrenb 10 Part of Ehrenberg's drawing sheet No. 2050 from " Praya de Sernambatyba " (Barra Beach) 11 Lectotypus, preparation 180502 e, marked with red (r) ring, from sample 1104 " Praya Senambatyba, Rio de Janeiro ", Ehrenberg Collection, BHUPM 12 Another specimen of Eunotia elephas found in preparation 180502 e, marked with red (r) 13 Pinnularia microstauron (Ehrenb.) Cleve, lectotype, preparation 180502 d, marked with red (r) ring, from sample 1104, " Praya de Sernambatyba, Rio de Janeiro ", Ehrenberg Collection, in BHUPM 14 Terpsinoe brasiliensis Ehrenb., lectotype, preparation 180411 a, marked with blue (bl) ring, from sample 1102, " Rio Consescao der Insel St. Catharina ", in BHUPM; Scale bars: 10 µm