Nupela fennica

(Hustedt) Lange-Bertalot 2004      Category: Symmetrical biraphid
BASIONYM: Navicula fennica Hustedt 1962

Nupela elegantula

 

Nupela frezelii

LM scalebar = 10 µm = 80 pixels.



Observations

Contributor: Marina Potapova - May 2010
Length Range: 9-18 µm
Width Range: 2.7-3.5 µm
Striae in 10 µm: 35-40

Description

Valves are linear-elliptical with subrostrate or rounded ends. Axial area is narrowly linear. Central area is rectangular fascia. Striae are radiate in the middle, parallel or slightly convergent at apices, 35-40 in 10 mm. Raphe is filiform, straight or very slightly curved, with slightly expanded external proximal endings.



Original Description

Basionym: Navicula fennica
Author: Hustedt 1962
Length Range: 14 µm
Width Range: 3 µm
Striae in 10 µm: 40

Original Description

Frustula delicata. Valvae lineari-lanceolatae marginibus subconvexis, apicibus obstuse rotundatis vix protractis, circiter 14 µ longae, 4 µ latae. Rhape directa filiformis. Area axialis angustissima linearis, area centralis fascian latam marginem fere attengentem formans. Structura delicatissima, striae transaicales subradiantes, circiter 40 in 10 µ.

Original Images


Cite This Page:
Potapova, M. (2010). Nupela fennica. In Diatoms of the United States. Retrieved October 22, 2014, from http://westerndiatoms.colorado.edu/taxa/species/nupela_fennica

Species: Nupela fennica

Contributor: Marina Potapova

Reviewer: Sarah Spaulding

Citations

Hustedt, F. (1962). Die Kieselalgen Deutschlands, Österreichs und der Schweiz unter Berücksichtigung der übrigen Länder Europas sowie der angrenzenden Meeresgebiete. L. Rabenhorst (ed.), Kryptogamen Flora von Deutschland, Österreich und der Schweiz. Akademische Verlagsgesellschaft m.b.h. Leipzig 7(Teil 3, Lief. 2):161-348.

Krammer, K. and Lange-Bertalot, H. (2004). Bacillariophyceae 4. Teil: Achnanthaceae, Kritische Erganzungen zu Navicula (Lineolatae), Gomphonema Gesamtliteraturverzeichnis Teil 1-4 [second revised edition]. In: H. Ettl et al., Suesswasserflora von Mitteleuropa. Spektrum Akademischer Verlad Heidelberg, 468 pp.

Links & ID's

Index Nominum Algarum (INA)

Original INA

California Academy of Sciences (CAS)

Nupela fennica CAS

North American Diatom Ecological Database (NADED)

NADED ID: 92020

Autecology Discussion