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Hajar | all galleries >> Palaeogalleries >> Echinozoans through time > Bothriocidaris kolatai Kier 1982, 15 mm complete, free of matrix. Poolville Member, Bromide Formation, Dunn Quarry.
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10-May-2021

Bothriocidaris kolatai Kier 1982, 15 mm complete, free of matrix. Poolville Member, Bromide Formation, Dunn Quarry.

The pairs of pores in the ambulacral plates are clearly seen. There's just a single column of plates in each interambulacrum, two of which are visible.

Sony a99
1/8s f/14.0 at 50.0mm iso400 hide exif
Full EXIF Info
Date/Time10-May-2021 09:15:26
MakeSony
ModelSLT-A99V
Flash UsedNo
Focal Length50 mm
Exposure Time1/8 sec
Aperturef/14
ISO Equivalent400
Exposure Bias0.00
White Balance0
Metering Modematrix (5)
JPEG Quality
Exposure Programmanual (1)
Focus Distance

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