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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 full exif

other sizes: small medium large original auto
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