| Dorcadospyris alata Zone | Reference Slide R 19 | ||
|---|---|---|---|
| Sample | Slide | ||
| 85-573B-11-3, 61-63 cm | R19.1 | R19.2 | R19.3 |
| ZONAL MARKERS | |||
| Dorcadospyris alata * | B29/4 | V39/3 | E40/4 |
| L5/0 | S41/0 | W36/4 | |
| J4/3 | P19/4 | V36/2 | |
| OTHER SPECIES | |||
| Calocycletta costata | K23/2 | V3/0 | |
| Calocycletta virginis | Q11/1 | S41/1 | N17/2 |
| O38/4 | P36/1 | ||
| Carpocanopsis bramlettei | J11/4 | M39/0 | W35/3 |
| Carpocanopsis cristata | L11/2 | M29/3 | |
| Cyrtocapsella cornuta | T38/0 | F36/0 | |
| Cyrtocapsella tetrapera | V19/0 | S42/0 | U42/0 |
| Didymocyrtis mammifera | O16/3 | H8/0 | L15/1 |
| Didymocyrtis violina | C7/4 | K40/3 | |
| Liriospyris parkerae | L30/1 | S33/1 | V13/1 |
| Lithopera renzae | S14/3 | U15/3 | U3/0 |
| L28/4 | H16/2 | ||
*Complete, unbroken specimens of D. alata are extremely rare. The specimens identified above are 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 abundant and well preserved in this sample. Collosphaerids are abundant.