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- Modern Dinocyst Key
- brown cysts
- brown elongate cysts
- Polykrikos quadratus (previous var. arctica)
Modern Dinocyst Key
Polykrikos quadratus (previous var. arctica)
Zonneveld, K.A.F. and Pospelova V. (2015). A determination key for modern dinoflagellate cysts. Palynology 39 (3), 387- 407.
lateral view
photo: Vera Pospelova
photo: Vera Pospelova
lateral view 2
photo: Vera Pospelova
photo: Vera Pospelova
Field Characteristics
Polykrikos quadratus (previous var. arctica) informally described by Kunz-Pirrung 1998
Rectangular to slightly oval or "guitar-shaped" cysts. Cyst covered with a reticulate structure. Coverage of the reticulate pattern can vary between covarage of whole cyst towards restriction on the corners of the rectangular cysts
Rectangular to slightly oval or "guitar-shaped" cysts. Cyst covered with a reticulate structure. Coverage of the reticulate pattern can vary between covarage of whole cyst towards restriction on the corners of the rectangular cysts