FIGURES 42–47. Orthoseira johansenii R.L in Two new Orthoseira species (Bacillariophyceae) from lava tubes on Île Amsterdam and Big Island (Hawai΄i)
- 1. Department of Biological Sciences, Bowling Green State University, Bowling Green, OH 43403,USA (lowe@bgsu.edu) & University of Michigan Biological Station, Pellston, MI 49769, USA
- 2. University of Michigan Biological Station, Pellston, MI 49769, USA & Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO 80309, USA (Patrick.Kociolek@colorado.edu)
- 3. National Botanic Garden of Belgium, Department of Bryophyta & Thallophyta, Domein van Bouchout, B-1860 Meise, Belgium (vandevijver@br.fgov.be, corresponding author) & University of Antwerp, Department of Biology-ECOBE, Universiteitsplein 1, B-2610 Wilrijk, Belgium
Description
FIGURES 42–47. Orthoseira johansenii R.L.Lowe & Kociolek sp. nov. Scanning Electron Micrographs. Fig. 42. External view of an entire valve showing two carinoportulae, the small hyaline central area and the rows of areolae and the (eroded) regularly placed linking spines. Fig. 43. External view of an entire valve showing two carinoportulae, a more irregular pattern of areolae, a larger hyaline central area and regularly placed linking spines. Fig. 44. Detail of the carinoportulae with a raised rim. Note also the raised areolae. Fig. 45. Detail of the valve face/mantle junction with big spines and silica outgrowths on the mantle. Fig. 46. Detail of two valves linked by bifurcating linking spines and one open girdle band with small perforations. Fig. 47. Detail of the perforated, open girdle bands. Scale bar represents 10 µm in Figs 42, 43, 46 & 47 and 1 µm in figs 44 & 45.
Notes
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