Published October 29, 2025
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Taxonomic treatment
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Hannaea arcus R. M. Patrick 1966
Authors/Creators
- 1. К. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya St., Moscow, 127276, Russia & Faculty of Biology, M. V. Lomonosov Moscow State University, Leninskie Gory 1, building 12, Moscow, 119234, Russia
- 2. К. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya St., Moscow, 127276, Russia
- 3. К. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya St., Moscow, 127276, Russia & К. А. Timiryazev Institute of Plant Physiology RAS, IPP RAS, 35 Botanicheskaya St., Moscow, 127276, Russia
Description
Hannaea arcus (Ehrenberg) R.M. Patrick (1966: 132) (Fig. 2)
Morphology: Valves convex, tapering towards the end, 34.5–106.4 µm long, 4.9–7.0 µm wide. Dorsal side somewhat triangular, ventral side concave, with a semicircular inflation in the central part. Apices drawn out, capitate. Axial area diminished. Central area formed by the unilateral inflation, covered by several ghost striae. Striae parallel, 17–18.5/10 µm.
Representative samples: O-1, O-5, О-8, O-9, О-10, О-11, О-12, О-13, О-15, O-16, O-103, O-L.
Ecology: found in samples with pH=5.16–8.60, t=6.3–13.7°С, Ec=10–420 µS/cm, TDS<0.20 ppt.
Notes
Published as part of Mironov, Andrei, Glushchenko, Anton, Kezlya, Elena & Kulikovskiy, Maxim, 2025, Species composition of the diatom communities in the watercourses of Northeastern Kamchatka with comments on abundant taxa and description of Gomphonema lepskayae sp. nov., pp. 1-19 in Phytotaxa 726 (1) on pages 7-8, DOI: 10.11646/phytotaxa.726.1.1
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Linked records
Additional details
Identifiers
Related works
- Is part of
- Journal article: 10.11646/phytotaxa.726.1.1 (DOI)
- Journal article: http://publication.plazi.org/id/FFDE7311EC599D43FFB90E2DFFBB5D67 (URL)
- Is source of
- https://biodiversitypmc.sibils.org/collections/plazi/03E70B69EC5F9D44FF310972FABD5DBA (URL)
Biodiversity
- Scientific name authorship
- R. M. Patrick
- Kingdom
- Chromista
- Phylum
- Ochrophyta
- Order
- Fragilariales
- Family
- Fragilariaceae
- Genus
- Hannaea
- Species
- arcus
- Taxon rank
- species
- Taxonomic concept label
- Hannaea arcus Patrick, 1966 sec. Mironov, Glushchenko, Kezlya & Kulikovskiy, 2025
References
- Patrick, R. M. & Reimer, C. W. (1966) The diatoms of the United States exclusive of Alaska and Hawaii. Volume 1: Fragilariaceae, Eunotiaceae, Achnanthaceae, Naviculaceae. Monographs of the Academy of Natural Sciences of Philadelphia 13: 1-688.