Black Sea Phytoplankton checklist

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Placoneis placentula

From Black Sea Phytoplankton checklist

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Placoneis placentula (Ehrenberg) Mereschkowsky, 1903
= Navicula placentula (Ehrenberg) Kützing, 1844; Navicula placentula f. rostrata (A. Mayer) Hustedt, 1930 (mentioned for the Black Sea)


Classification

Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Cymbellales (Order) > Cymbellaceae (Family) > Placoneis (Genus)

WoRMS: 175694

Properties

Environment: marine
Habitat: benthic

Occurrence

  References
Black Sea Ivanov A.I., 1965
Bulgaria
Geogria
Romania Boicenco L. Updated list from Bodeanu N., 1987-88; Petranu A., 1997; Bodeanu N., 1987-1988 (for both only RO littoral zone)
Russia
Turkey
Ukraine


Volume and surface area calculation

Shape
Simple shape
K(flattening factor)
More accurate shape -

Hillebrand et al., 1999 - elliptic prism
(Species with a rhombic valve view should be calculated as prisms on a parallelogram)
 (Hillebrand, H., Dürselen, C. D., Kirschtel, D., Pollingher, D. and Zohary, T. (1999) Biovolume calculation for pelagic and benthic microalgae. J. Phycol., 35, 403–424)


Appearance in checklists

 1886
 1900
 1950
 2000
 2010


1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 33 34 35 36 38 49 54 55 56 57
x 1 x 4


58 63 67 68 72 73 74 75 77 78 84 85 86 87 88 89 92 93 94 99 100 101 102 103 105 108 109 110 116 117 118 119 120 123 125
  x 94


1 - as Navicula placentula4 - as Navicula placentula and Navicula placentula f. rostrata94 - as Navicula placentula and Navicula placentula f. rostrata



List based on literature analysis
List extracted from database
List extracted from published paper, which is based on monitoring(scientific) research of scientist(s) and includes analysis of real collected data
Personal list, based on monitoring(scientific research) of scientist (not published as article)
Identification book

Last revision on 20-05-2013

Personal tools

The Commission on the Protection of the Black Sea Against Pollution
http://www.blacksea-commission.org/


Partly supported by OceanUkraine project

OCEAN-UKRAINE is a project Supported by the Flemish Government - Department of Foreign Affairs



Black sea SCENE project