| Cool oases carpet the valley after the gentle Touzlimt Pass, and amazing whorls and swirls of strata arc across the eastern mountains. |
| The shells are 5-10 mm high, possess up to eight or nine whorls, and exhibit a fine axial ribbing. |
| It was used for making pendants, finger rings, playing counters, dice and even spindle whorls. |
| The six subequal tepals are arranged in two whorls and horizontally spread. |
| This, in turn was surrounded by several whorls of bracts that many homologize with petals and sepals in flowering plants. |
| Most contemporary goniatitids had an involute shell with compressed whorls. |
