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Morphological details of P. australis
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TEMmicrograph showing central part of valve with central nodule, raphe canal with fibulae crossing, and striae with one row of poroids, each divided in several sectors.
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Culture based on material from La Gomera, Canary Islands
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Original nib drawing made by Frenguelli.
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(A) Light micrographs. (B–L) TEM micrographs. (A) Whole valve. (B and C) Complete valve of different shapes. (D) Detail of the central nodule and striae with a row of poroids split in several sectors. (E) Apical part of a valve. (F) Central part of a valve showing the central nodule, the poroid arrangement, and the proximal and distal mantles. (G) Detail of the poroid structure. (H and L) Detail of the valvocopula. (I–K) Different cingular bands. (A–C, F–H, J, and K) Strain Ner-F1. (D) Strain Ner-J6. (E, I and L) Strain Ner-G4.
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(A and B) Light micrographs. (C–M) TEM micrographs. (A and B) Whole valves. (C and D) Part of the cell in valve view. (E) Detail of the central part of a valve showing the central nodule and the striae with a row of poroids split into two sectors (seldom three or four). (F) Part of a valve showing the central nodule and the poroid arrangement. (G) Detail of the poroid structure. (H) Central part of a valve. (I) Apical part of a valve showing the proximal and distal mantles. (J) Valve end. (K) Valvocopula. (L and M) Different cingular bands. (A–D, G–L) Strain Ner-J2. (E, F, and M) Strain Ner-J3.
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Original nib drawing made by Frenguelli.
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Original nib drawing made by Frenguelli.
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Longitude (deg): -1.3. Latitude (deg): 51.3. Longitude (deg/min): 1° 20' W. Latitude (deg/min): 51° 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Identified by: Malcolm Storey. Comment: In algal sample from temporary pool. Category: microscope photograph. Photographic equipment used: Pixera Pro tethered low-resolution digital camera with Meiji microscope using CS adaptor and x.7 projection eye-piece.
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Longitude (deg): -1.3. Latitude (deg): 51.3. Longitude (deg/min): 1° 20' W. Latitude (deg/min): 51° 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Identified by: Malcolm Storey. Comment: In algal sample from temporary pool. Category: microscope photograph. Photographic equipment used: Pixera Pro tethered low-resolution digital camera with Meiji microscope using CS adaptor and x.7 projection eye-piece.
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Longitude (deg): -0.7. Latitude (deg): 51.0. Longitude (deg/min): 0° 40' W. Latitude (deg/min): 51° 0' N. Vice county name: West Sussex. Vice county no.: 13. Country: England. Identified by: Malcolm Storey. Comment: in sample from pond. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: "35mm transparencies (on a variety of films, but Agfa CT18 in the 1960's to early 1980's followed by Fujichrome in the late 1980's.) Transparencies scanned with Minolta Dimage Scan Dual II AF-2820U transparency scanner.".
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Longitude (deg): -0.7. Latitude (deg): 51.0. Longitude (deg/min): 0° 40' W. Latitude (deg/min): 51° 0' N. Vice county name: West Sussex. Vice county no.: 13. Country: England. Identified by: Malcolm Storey. Comment: in sample from pond. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: "35mm transparencies (on a variety of films, but Agfa CT18 in the 1960's to early 1980's followed by Fujichrome in the late 1980's.) Transparencies scanned with Minolta Dimage Scan Dual II AF-2820U transparency scanner.".
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Longitude (deg): -3.1. Latitude (deg): 51.9. Longitude (deg/min): 3° 10' W. Latitude (deg/min): 51° 60' N. Vice county name: Brecon. Vice county no.: 42. Country: Wales. Identified by: Malcolm Storey. Comment: copious woolly deposit on rocks in hill stream. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: Canon EOS10D dSLR and Meiji microscope with x2.5 projection eye-piece. DPI defaulting to 72.
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Longitude (deg): -3.1. Latitude (deg): 51.9. Longitude (deg/min): 3° 10' W. Latitude (deg/min): 51° 60' N. Vice county name: Brecon. Vice county no.: 42. Country: Wales. Identified by: Malcolm Storey. Comment: copious woolly deposit on rocks in hill stream. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: Canon EOS10D dSLR and Meiji microscope with x2.5 projection eye-piece. DPI defaulting to 72.
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Longitude (deg): -3.1. Latitude (deg): 51.9. Longitude (deg/min): 3° 10' W. Latitude (deg/min): 51° 60' N. Vice county name: Brecon. Vice county no.: 42. Country: Wales. Identified by: Malcolm Storey. Comment: copious woolly deposit on rocks in hill stream. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: Canon EOS10D dSLR and Meiji microscope with x2.5 projection eye-piece. DPI defaulting to 72.
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Longitude (deg): -3.1. Latitude (deg): 51.9. Longitude (deg/min): 3° 10' W. Latitude (deg/min): 51° 60' N. Vice county name: Brecon. Vice county no.: 42. Country: Wales. Identified by: Malcolm Storey. Comment: copious woolly deposit on rocks in hill stream. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: Canon EOS10D dSLR and Meiji microscope with x2.5 projection eye-piece. DPI defaulting to 72.
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Longitude (deg): -3.1. Latitude (deg): 51.9. Longitude (deg/min): 3° 10' W. Latitude (deg/min): 51° 60' N. Vice county name: Brecon. Vice county no.: 42. Country: Wales. Identified by: Malcolm Storey. Comment: copious woolly deposit on rocks in hill stream. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: Canon EOS10D dSLR and Meiji microscope with x2.5 projection eye-piece. DPI defaulting to 72.
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Longitude (deg): -3.1. Latitude (deg): 51.9. Longitude (deg/min): 3° 10' W. Latitude (deg/min): 51° 60' N. Vice county name: Brecon. Vice county no.: 42. Country: Wales. Identified by: Malcolm Storey. Comment: copious woolly deposit on rocks in hill stream. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: Canon EOS10D dSLR and Meiji microscope with x2.5 projection eye-piece. DPI defaulting to 72.
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Longitude (deg): -3.1. Latitude (deg): 51.9. Longitude (deg/min): 3° 10' W. Latitude (deg/min): 51° 60' N. Vice county name: Brecon. Vice county no.: 42. Country: Wales. Identified by: Malcolm Storey. Comment: copious woolly deposit on rocks in hill stream. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: Canon EOS10D dSLR and Meiji microscope with x2.5 projection eye-piece. DPI defaulting to 72.
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Longitude (deg): -3.1. Latitude (deg): 51.9. Longitude (deg/min): 3° 10' W. Latitude (deg/min): 51° 60' N. Vice county name: Brecon. Vice county no.: 42. Country: Wales. Identified by: Malcolm Storey. Comment: copious woolly deposit on rocks in hill stream. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: Canon EOS10D dSLR and Meiji microscope with x2.5 projection eye-piece. DPI defaulting to 72.
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Longitude (deg): -3.1. Latitude (deg): 51.9. Longitude (deg/min): 3° 10' W. Latitude (deg/min): 51° 60' N. Vice county name: Brecon. Vice county no.: 42. Country: Wales. Identified by: Malcolm Storey. Comment: copious woolly deposit on rocks in hill stream. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: Canon EOS10D dSLR and Meiji microscope with x2.5 projection eye-piece. DPI defaulting to 72.
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Longitude (deg): -3.1. Latitude (deg): 51.9. Longitude (deg/min): 3° 10' W. Latitude (deg/min): 51° 60' N. Vice county name: Brecon. Vice county no.: 42. Country: Wales. Identified by: Malcolm Storey. Comment: copious woolly deposit on rocks in hill stream. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: Canon EOS10D dSLR and Meiji microscope with x2.5 projection eye-piece. DPI defaulting to 72.