Published July 7, 2022 | Version v1
Taxonomic treatment Open

Fogedia Witkowski, Lange-Bertalot, Metzeltin & Bafana 1997

  • 1. Department of Marine Bioscience and Environment, Korea Maritime and Ocean University, 727 Taejong-ro, Youngdo-Gu, Busan, South Korea & Ocean Science and Technology School, Korea Maritime and Ocean University, 727 Taejong-ro, Youngdo-Gu, Busan, South Korea & kimhyes 05 @ gmail. com; https: // orcid. org / 0000 - 0003 - 0928 - 8728
  • 2. School of Earth and Environmental Sciences and Research Institute of Oceanography, Seoul National University, Seoul 151 - 742, South Korea & jskocean @ snu. ac. kr; https: // orcid. org / 0000 - 0001 - 7977 - 0929
  • 3. University of Szczecin, Institute of Marine and Environmental Sciences, Mickiewicza 18, 70 - 383 Szczecin, Poland and Natural Sciences Education and Research Centre, University of Szczecin, Mickiewicza 16 a, 70 - 383 Szczecin, Poland & andrzej. witkowski @ usz. edu. pl; https: // orcid. org / 0000 - 0003 - 1714 - 218 X
  • 4. Department of Marine Bioscience and Environment, Korea Maritime and Ocean University, 727 Taejong-ro, Youngdo-Gu, Busan, South Korea & Ocean Science and Technology School, Korea Maritime and Ocean University, 727 Taejong-ro, Youngdo-Gu, Busan, South Korea & jpark @ kmou. ac. kr; https: // orcid. org / 0000 - 0003 - 1588 - 4673

Description

Key to species of the genus Fogedia

1a Cells are heterovalvate .............................................................................................................................................. F. heterovalvata

1b Cells are not heterovalvate .................................................................................................................................................................2

2a Valves with lateral area.......................................................................................................................................................................3

2a Valves without lateral area..................................................................................................................................................................9

3a Central area with stauros-like transverse expansion ..........................................................................................................................4

3b Central area without transverse expansion .........................................................................................................................................5

4a Striae 16-18 in 10 μm ............................................................................................................................................................. F. acuta

4b Striae 9-13, Areolae 35-40 in 10 μm ............................................................................................................................. F. finmarchica

4c Striae 10-12, Areolae 26-29 in 10 μm .............................................................................................................................. F. krammeri

5a External terminal raphe fissure hooked..............................................................................................................................................6

5b External terminal raphe fissure simple or slightly bent......................................................................................................................8

6a Areolae 26-29 in 10 μm............................................................................................................................................................. F. lyra

6b Areolae 35-40 in 10 μm......................................................................................................................................................................7

7a Valves 15.5-18.5 μm long, 6.5-7 μm wide .................................................................................................................. F. christensenii

7b Valves 26-37 μm long, 8-9 μm wide ............................................................................................................................... F. giffeniana

8a Striae parallel in the middle of the valve................................................................................................ F. giffeniana var. yemenitica

8b Striae radiate in the middle of the valve.......................................................................................................................... F. geisslerae

9a Valves elliptic with broad apices ........................................................................................................................................ F. elliptica

9b Valves with distinctively protracted apices ......................................................................................................................................10

10a Striae parallel in the middle of the valve.......................................................................................................................... F. orientalis

10b Striae radiate in the middle of the valve...........................................................................................................................................11

11a Striae 12-14, Areolae 15 in 10 μm...................................................................................................................................... F. coreana

11b Striae 18-21, Areolae 21-24 in 10 μm .................................................................................................................................... F. densa

Notes

Published as part of Kim, Hyesuk, Khim, Jong Seong, Witkowski, Andrzej & Park, Jinsoon, 2022, A new species of Fogedia (Bacillariophyceae) from tidal flats of Northeast Asia, pp. 77-84 in Phytotaxa 554 (1) on pages 82-83, DOI: 10.11646/phytotaxa.554.1.6, http://zenodo.org/record/6809823

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