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Modern Dinocyst Key
transparent cysts
brown cysts
species list
Spiniferites alaskensis
Spiniferites bentorii
Spniferites multisphaerus
Spiniferites belerius
Spiniferites lazus
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Modern Dinocyst Key
transparent cysts
Septa and processes
other cysts with septa and processes
with apical nodge
with apical nodge
Zonneveld, K.A.F. and Pospelova V. (2015). A determination key for modern dinoflagellate cysts. Palynology 39 (3), 387- 407.
pear shaped
smooth to microreticulate wall
cyst > 45 µm
Spiniferites bentorii/Spiniferites belerius
+
pear-sheped
smooth to microreticulate wall
cyst < 45 µm
Spiniferites belerius
+
pear-shaped
cyst wall with hollow bubble-like elements
processes trifurcate with bubble-like elements
Spiniferites multisphaerus
+
microgranulate to reticulate wall
processes trifurcate
elongate perforations at base of processes
Spiniferites lazus
+
processes broad
processes with tri-branched endings
Spiniferites alaskensis
+