Pinnularia chapmaniana Foged
Type slideSmall stream near Lake Tuteneianga, North Island, New Zealand. Foged Collection, New Zealand No. 536/1966, Natural History Museum, Denmark.
Institution holding the type material
Known distributionNorth Island, New Zealand.
EtymologyDedicated to the New Zealand biologist V. J. Chapman.
Linear-elliptical valves, 25-30 µm long and 8-10 µm broad. Straight raphe with terminal fissures and central nodules deflected in the same direction. Axial area lanceolate, central area a very broad transverse fascia. Transapical striae, 13-14 in 10 µm, radiate towards the middle of the valve, but convergent towards the apices.
Description reproduced with kind permission from Koeltz Scientific Books.
Images published online with kind permission of the Natural History Museum of Denmark.
Foged N 1979. Diatoms in New Zealand, the North Island. A. R. Gantner Verlag KG, Vaduz. 130 p.