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Modern Dinocyst Key
transparent cysts
Septa and processes
other cysts with septa and processes
with apical nodge
transparent cysts
brown cysts
species list
Spiniferites alaskensis
Spiniferites bentorii
Spniferites multisphaerus
Spiniferites belerius
Spiniferites lazus
Modern Dinocyst Key
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
+