- "Perforocycloides
nathalieae new
genus and species, an
unusual Silurian cyclocystoid (Echinodermata) from
Anticosti Island, Québec, Canada". PalZ. 93 (4):...
-
Limestone (Tennessee),
providing new
information on the
anatomy of this
cyclocystoid.
Evidence from deep-sea
sediment samples interpreted as
indicative of...
-
freely Ausich, W. I.; Zehler, N. E. (2022). "Recovery of
Laurentian cyclocystoids following Late
Ordovician extinctions (Br****field Formation, Llandovery;...
- Lefebvre;
Gertrud E. Rössner;
Samuel Zamora (2017). "The
first Ordovician cyclocystoid (Echinodermata) from
Gondwana and its morphology, paleoecology, taphonomy...
- "Perforocycloides
nathalieae new
genus and species, an
unusual Silurian cyclocystoid (Echinodermata) from
Anticosti Island, Québec, Canada". PalZ. 93 (4):...
