Dorcadospyris alata Zone | Reference Slide R 17 | ||
---|---|---|---|
Sample | Slide | ||
85-573B-9-2, 61-3 cm | R17.1 | R17.2 | R17.3 |
ZONAL MARKERS | |||
Dorcadospyris alata * | E15/0 | O7/0 | D26/0 |
D9/0 | M36/0 | D23/3 | |
U27/0 | O16/0 | G17/2 | |
OTHER SPECIES | |||
Carpocanopsis cristata | J41/0 | E19/2 | P42/0 |
Cyrtocapsella tetrapera | F43/4 | B43/4 | F23/3 |
Didymocyrtis mammifera | E17/2 | E23/4 | P44/2 |
K18/0 | |||
Lithopera neotera | C17/4 | E27/3 | R49/0 |
Lithopera renzae | C6/0 | H25/2 | H32/4 |
Stichocorys johnsoni | G44/0 | H44/1 | G32/1 |
*Complete, unbroken specimens of D. alata are always extremely rare. The specimens identified above are almost all broken, but the species can be recognized easily from such 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.