| Dorcadospyris alata Zone | Reference Slide R 18 | ||
|---|---|---|---|
| Sample | Slide | ||
| 85-573B-10-3, 61-63 cm | R18.1 | R18.2 | R18.3 |
| ZONAL MARKERS | |||
| Dorcadospyris alata * | N24/3 | H30/1 | F35/4 |
| N36/1 | D12/3 | O35/3 | |
| C41/4 | |||
| OTHER SPECIES | |||
| Calocycletta virginis | R14/0 | E11/1 | W4/0 |
| Carpocanopsis cristata | J42/3 | P14/0 | R6/2 |
| Cyrtocapsella tetrapera | O32/2 | W12/0 | W43/3 |
| Didymocyrtis mammifera | M41/2 | J39/3 | X40/0 |
| Didymocyrtis tubaria | G11/2 | ||
| Didymocyrtis violina | E27/1 | C16/1 | D19/1 |
| Liriospyris parkerae | P9/3 | T12/2 | V40/4 |
| Lithopera renzae | U28/0 | N37/0 | S30/2 |
| Phormostichoartus fistula | M11/0 | ||
*Complete, unbroken specimens of D. alata are extremely rare. The specimens identified above are almost all broken, but the species can be recognized easily from fragments, which is what you will probably have in your sample.
Specimens are located using England Finder coordinates; radiolarian slide label positioned to the left.
Radiolarians are common and well preserved in this sample.