Attheya longicornis Crawford & Gardner
Attheya longicornis
A-C = Cells on Skeletonema costatum (A,B,D = BF, C = PC) (arrow in C = base of horn parallel to pervalvar axis); D = Four cells (arrow = tightly coiled horns). A and B in Lugol, C and D living cells.
Photographer/artist Mats Kuylenstierna
Additional image information
- Title
- Attheya longicornis
- Photographer/artist
- Mats Kuylenstierna
- Copyright holder
- Maria Kuylenstierna
- Institute
- University of Gothenburg, Marine botany
- Contributor
- Bengt Karlson
- Caption
- A-C = Cells on Skeletonema costatum (A,B,D = BF, C = PC) (arrow in C = base of horn parallel to pervalvar axis); D = Four cells (arrow = tightly coiled horns). A and B in Lugol, C and D living cells.
- Image galleries
- Kuylenstierna, Skagerrak-Kattegat
Description
- IDs in other systems
- Dyntaxa ID: 237294
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 40664
More info at http://algaebase.org
- Dyntaxa ID: 237294
- Morphology
- Thin long horns initially parallel to the pervalvar axis and projecting up to 10 times the cell length
- Other remarks
- This species has been confused with Attheya septentrionalis (Østrup) Crawford in the past
Distribution: Northern Atlantic - Life form
- Epiphytic on Chaetoceros, Skeletonema and others
- Size
- Apical axis = 4-12 µm, transapical axis = 2-3 µm
- Resting spore
- 0
- Culture collections
-
SCCAP
The Scandinavian Culture Collection of Algae and Protozoa at the University of Copenhagen
More info at http://www.sccap.dk.
Strains: K-1530, K-1528 - Literature
- Crawford, R. M., Gardner, C. & Medlin, L. K. 1994. The genus Attheya. 1. A description of four new taxa, and a transfer of Gonioceros septentrionalis and G. armatas. Diatom Research. 9: 27-51.
Biovolumes
| Species | Attheya longicornis |
|---|---|
| Author | Crawford & Gardner 1994 |
| Division | CHRYSOPHYTA (HETEROKONTOPHYTA) |
| Class | Diatomophyceae (Bacillariophyceae) |
| Order | EUPODISCALES (BIDDULPHIALES, CENTRALES) |
| Trophy | AU |
| Geometric shape |  |
| Formula | p/4*d1*d2*h |
| Size class | 1 |
|---|---|
| Unit | cell |
| Size range | 4-5x7-8 |
| Height(h), µm | 8.0 |
| Diameter(d1), µm | 4.0 |
| Diameter(d2), µm | 4.0 |
| No. of cells/counting unit | 1 |
| Calculated volume, µm3 | 100 |
| Comment | * |
| Calculated Carbon pg/counting unit | 12 |
Source
Olenina, I., Hajdu, S., Edler, L., Andersson, A., Wasmund, N., Busch, S., Göbel, J.,
Gromisz, S., Huseby, S., Huttunen, M., Jaanus, A., Kokkonen, P., Ledaine, I. and Niemkiewicz,
E.
2006 Biovolumes and size-classes of phytoplankton in the Baltic Sea HELCOM Balt.Sea Environ. Proc. No. 106, 144pp. (PDF),
PEG_BVOL.zip
Change History
- 2011-10-07 13:26:34 Bengt Karlson - Updated media metadata for Attheya longicornis_2.jpg
- 2011-10-07 13:25:59 Bengt Karlson - Added media: Attheya longicornis_2.jpg
