-
-
-
-
-
513 million years ago
(max)
-
497 million years ago
(min)
-
-
-
-
-
-
number of fossil occurrences
-
-
-
-
water dissolved o2 concentration
-
-
water nitrate concentration
-
-
-
-
water phosphate concentration
-
-
-
-
water silicate concentration
-
-
-
16.815 degrees celsius
(max)
-
16.143 degrees celsius
(min)