Discostella stelligera (Cleve & Grunow) Houk & Klee (2004: 208)

Amaral, Mailor Wellinton Wedig, Medeiros, Gabriela, Daufenbach, Vanessa, Sampaio, Silvio Cesar, Reis, Ralpho Rinaldo Dos, Ludwig, Thelma Alvim Veiga & Bueno, Norma Catarina, 2024, Taxonomy of epilithic diatoms and teratological forms under the presence of metals in surface sediment, Phytotaxa 647 (3), pp. 237-273 : 241

publication ID	https://doi.org/10.11646/phytotaxa.647.3.3
DOI	https://doi.org/10.5281/zenodo.14743423
persistent identifier	https://treatment.plazi.org/id/C92C87AE-FFF9-FFFC-FF2B-FB57C14FF982
treatment provided by	Felipe (2024-08-02 12:46:12, last updated 2025-01-26 20:25:14)
scientific name	Discostella stelligera (Cleve & Grunow) Houk & Klee (2004: 208)
status

Treatment

Figs 3 View FIGURE 3 : D–E

Diameter: 9.9–16.9 µm; striae: 13–14 in 10 µm (n = 2)

Teratological form: duplication of the stellate pattern of the alveoli in the central area.

Occurrence: S3.

Ecological characteristics: Cond.: 47.00 µS cm –1; BOD: 3.00 mg L− 1; COD: 15.50 mg L− 1; N-NH3: 200 µg L− 1; NO: 1.40 mg L− 1; DO: 3 − 1 − − 1 − 1 − 1 3 16.30 mg L; pH: 6.05; PO: 0.022 mg L; TP: 0.05 mg L; TS: 58.00 mg L; Temp.: 18.31 °C; Turb.: 7.26; Flow: 0.93 m s; 4 Average depth: 0.15 m; Prec.: 2.73 mm.

Metal concentrations: Co: 33.57 mg L –1; Cr: 27.33 mg L –1; Cu: 197.55 mg L –1; Mn: 398.50 mg L –1; Ni: 31.80 mg L –1; Pb: 46.56 mg L –1; Zn: 93.81 mg L –1.

References

Houk, V. & Klee, R. (2004) The stelligeroid taxa of the genus Cyclotella (Kutzing) Brebisson (Bacillariophyceae) and their transfer into the new genus Discostella gen. nov. Diatom Research 19: 203 - 228. https: // doi. org / 10.1080 / 0269249 X. 2004.9705871

Figures

FIGURE 3. Epilithic diatoms from Cascavel River micro-watershed in LM. A. Stephanocyclus meneghinianus. B. Cyclotella kingstonii. C–E. Discostella stelligera. D–E. Teratological valves. F. Melosira varians. G. Orthoseira roeseana. H. Aulacoseira ambigua. I. A. brasiliensis. J. A. granulata var. angustissima. K. A. granulata. L–N. A. pusilla. O–Q. A. tenella. R–T. Fragilaria fragilarioides. U–AA. F. radians. X–AA. Teratological valves. AB–AH. F. pectinalis. AE–AH. Teratological valves. AI–AK. F. tenera. AL–AO. F. tenera var. nanana. AN–AO. Teratological valves. AP–AR. F. spectra. AS–AT. Fragilariforma javanica. AU. Ulnaria contracta. AV. U. delicatissima. AW–AZ. U. ulna. AX–AZ. Teratological valves. Scale bars: 10 µm.