| Diartus petterssoni Zone | Reference Slide R 15 | ||
|---|---|---|---|
| Sample | Slide | ||
| 85-573B-3-CC | R15.1 | R15.2 | R15.3 |
| ZONAL MARKERS | |||
| Diartus petterssoni * | T4/3 | W30/4 | P6/4 |
| C6/4 | N14/1 | N11/4 | |
| OTHER SPECIES | |||
| Botryostrobus miralestensis | W18/4 | O30/4 | R37/3 |
| Calocycletta caepa | R24/4 | T13/1 | J6/3 |
| Didymocyrtis antepenultima | F16/0 | Q43/0 | O37/2 |
| Lithopera neotera | W34/1 | T23/4 | C8/1 |
| X20/1 | |||
| Phormostichoartus corbula | U5/4 | S33/1 | M31/0 |
| Phormostichoartus fistula | O37/1 | K23/1 | |
| Stichocorys wolffii ** | R18/3 | U18/0 | U24/1 |
| O7/0 | X18/3 | P42/3 | |
*many morphotypes transitional to D. hughesi in this sample
**S. delmontensis morphotypes in this sample exhibit reduced numbers of thoracic pores. S. wolffii is present in the sample, but care must be taken to distinguish it from the above mentioned S. delmontensis. Smaller, more hyaline specimens are S. wolffii.
Specimens are located using England Finder coordinates; radiolarian slide label positioned to the left.
Radiolarians are abundant and well preserved in this sample.