| Collospheara tuberosa Zone | Reference Slide R 2 | ||
|---|---|---|---|
| Sample | Slide | ||
| 85-573-2-3, 130-131 cm | R2.1 | R2.2 | R2.3 |
| ZONAL MARKERS | |||
| Collosphaera tuberosa * | T46/2 | J17/1 | V5/0 |
| X13/0 | |||
| OTHER SPECIES | |||
| Amphirhopalum ypsilon | E35/0 | G39/0 | E17/0 |
| Centrobotrys thermophila | C22/0 | L27/2 | K21/2 |
| Lamprocyrtis nigriniae | E43/1 | B14/4 | G36/3 |
| Pterocorys hertwigii | M34/4 | J8/0 | C45/1 |
* Specimens are not entirely typical. See sample R 1.
Specimens are located using England Finder coordinates; radiolarian slide label positioned to the left.
Radiolarians are common, but only moderately well preserved with some dissolution. Diatoms are common.