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Phorticium pylonium group

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Photo#: 464
Location: Gulf of California
Sample: VS-R-81, 1-3 cm
Photo by: Richard N. Benson

Comments:
Benson, 1966, pl. 16, fig. 9. Frontal view showing the concentric trizonal shells, the more irregular girdles of the outer system compared with those of the inner systems, and the numerous radial beams. Slide VS-R-81a, 1-3 cm. Bar is 100 µm.  
Photo#: 465
Location: Gulf of California
Sample: VS-R-60, 3-5 cm
Photo by: Richard N. Benson

Comments:
Benson, 1966, pl. 16, fig. 8. Orientation of the inner girdle systems illustrating the apparent double spiral arrangement of the girdles. Slide VS-R-60b, 3-5 cm. Bar is 100 µm.  
Photo#: 466
Location: Gulf of California
Sample: VS-R-71, 1-3 cm
Photo by: Richard N. Benson

Comments:
Benson, 1966, pl. 16, fig.5. Slightly oblique orientation of the inner girdle systems illustrating the apparent double spiral arrangement of the girdles. Slide VS-R-71a, 1-3 cm. Bar is 100 µm.  
Photo#: 467
Location: Gulf of California
Sample: VS-R-71, 1-3 cm
Photo by: Richard N. Benson

Comments:
Benson, 1966, pl. 16, fig. 6. Frontal view of broken specimen illustrating the inner trizonal shell. Slide VS-R-71a, 1-3 cm. Bar is 100 µm.  
Photo#: 468
Location: Gulf of California
Sample: VS-R-71, 1-3 cm
Photo by: Richard N. Benson

Comments:
Benson, 1966, pl. 16, fig. 7. Polar view. Slide VS-R-71a, 1-3 cm. Bar is 100 µm.  
Photo#: 469
Location: Gulf of California
Sample: VS-R-71, 1-3 cm
Photo by: Richard N. Benson

Comments:
Benson, 1966, pl. 17, fig. 1. Lateral view of completely developed test with loss of definition of individual girdles in the outer ellipsoidal shell but showing clear definition of the inner trizonal shells (Pylospira octopyle type). Slide VS-R-71a, 1-3 cm. Bar is 100 µm.  
Photo#: 470
Location: Gulf of California
Sample: VS-R-60, 3-5 cm
Photo by: Richard N. Benson

Comments:
Benson, 1966, pl. 17, fig. 2. Slightly oblique orientation of a completely developed test (Pylospira octopyle type) showing the apparent double spiral arrangement of the girdles of the trizonal shells. Slide VS-R-60b, 3-5 cm. Bar is 100 µm.  
Photo#: 471
Location: Gulf of California
Sample: VS-R-93, 1-3 cm
Photo by: Richard N. Benson

Comments:
Benson, 1966, pl. 17, fig. 3. Polar view of fully developed test with clearly defined inner trizonal shells. Slide VS-R-93b, 1-3 cm. Bar is 100 µm.  
Photo#: 537
Location: Gulf of California
Sample: VS-R-27
Photo by: Bjørklund & Benson 2003

Comments:
Picture taken from slide VS-R-27b, 1-3 cm. Bar is 100 µm. 
Photo#: 538
Location: Gulf of California
Sample: VS-R-71
Photo by: Bjørklund & Benson 2003

Comments:
Picture taken from slide VS-R-71a, 1-3 cm. Bar is 100 µm. 


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