Publication
Not available online
Known distribution
New Zealand
Lake Waikaremoana, New Zealand
Etymology
Dedicated to the New Zealand biologist Vivienne Cassie.
Description
Valves broadly elliptic-lanceolate with slightly protracted apices, 25-30 µm long and 10-13 µm broad. Raphe straight filiform with terminal fissures deflected in the same direction. Narrow linear axial area and small central area. 8-10 transapical striae in 10 µm, radiate and punctate.
Description reproduced with kind permission of Koeltz Scientific Books.
Notes
Images published online with kind permission of the Natural History Museum of Denmark.
Funding from TFBIS (Terrestrial and Freshwater Biodiversity Information System), administered by the New Zealand Department of Conservation, is gratefully acknowledged.
Reference
1 Foged N 1979. Diatoms in New Zealand, the North Island. A. R. Gantner Verlag KG, Vaduz. 130 p.
![[Navicula cassieana]. Image: Cathy Kilroy (NIWA) Image](/assets/Tools-And-Resources/Identification/Diatoms/SNAP-175208-0042__ScaleWidthWzEwMjRd.jpg)
![[Navicula cassieana]. Image: Cathy Kilroy (NIWA) Image](/assets/Tools-And-Resources/Identification/Diatoms/SNAP-175217-0043__ScaleWidthWzEwMjRd.jpg)
![[Navicula cassieana]. Image: Cathy Kilroy (NIWA) Image](/assets/Tools-And-Resources/Identification/Diatoms/SNAP-181338-0045__ScaleWidthWzEwMjRd.jpg)
![[Navicula cassieana]. Image: Cathy Kilroy (NIWA) Image](/assets/Tools-And-Resources/Identification/Diatoms/SNAP-181355-0046__ScaleWidthWzEwMjRd.jpg)
![[Navicula cassieana]. Image: Cathy Kilroy (NIWA) Image](/assets/Tools-And-Resources/Identification/Diatoms/SNAP-183215-0050__ScaleWidthWzEwMjRd.jpg)
![[Navicula cassieana]. Image: Cathy Kilroy (NIWA) Image](/assets/Tools-And-Resources/Identification/Diatoms/SNAP-183350-0052__ScaleWidthWzEwMjRd.jpg)
![[Navicula cassieana]. Image: Cathy Kilroy (NIWA) Image](/assets/Tools-And-Resources/Identification/Diatoms/SNAP-181409-0047__ScaleWidthWzEwMjRd.jpg)