-
Lophocyrtis —
Peripyramis —
Perypiramis —
Phrenocodon —
Plectopyramis —
Pterocanium —
Pterocyrtidium —
Sethoconus —
Stichocorys —
Stichopera — Stichopilidium...
-
Lamprocyrtis hannai,
Lamprocyclas maritalis maritalis,
Lamprocyclas haysi,
Pterocanium trilobum und
Ommatartus tetrathalamus. RN 4 – Burdigalian: Calocycletta...
-
Ehrenberg 1875 emend.
Haeckel 1887. Artostrobus, Eucyrtidium, Lithomelissa,
Pterocanium, Pterocorys.
Collodaria Haeckel 1887. Acrosphaera, Collosphaera, Collozoum...
- In a
large study of five
species of
radiolarians (Calocycletta caepa,
Pterocanium prismatium,
Pseudoculous vema,
Eucyrtidium calvertense, and Eucyrtidium...
-
Axoprunum angelinum,
Lamprocyclas maritalis,
Ommatartus tetrathalamus,
Pterocanium trilobum and
Siphocampe corbula. Late Eocene:
Thyrsocyrtis bromia area...