Loupanus sp. 1

Cifer, Tim, Goričan, Špela, Gawlick, Hans-Jürgen & Auer, Matthias, 2020, Pliensbachian, Early Jurassic radiolarians from Mount Rettenstein in the Northern Calcareous Alps, Austria, Acta Palaeontologica Polonica 65 (1), pp. 167-207 : 181

Loupanus sp. 1

Fig. 6P, Q .

Material.— Sample Rö417: stub Rö417 (five specimens), Mount Rettenstein , Northern Calcareous Alps, Austria, Lower Pliensbachian .

Description. —Cortical shell is slightly ellipsoidal with five spines. Three spines are in equatorial plane, with a 120° angle between them. Two spines are bipolar. Spines are equal in length, shorter than diameter of the cortical shell.

Remarks.— Loupanus sp. 1 differs from Loupanus pliensbachicus sp. nov. by having a larger, ellipsoidal cortical shell and spines shorter than the diameter of the cortical shell.

Figures

Fig. 6. Radiolarians from Mount Rettenstein, Austria, Pliensbachian, Early Jurassic. A. Empirea sp. 1, sample Rö416. B. Acaeniotylopsis ghostensis (Carter in Carter et al., 1988); sample Rö416. C, D. Liassobetraccium bavaricum (Kozur and Mostler, 1990); sample Rö37. E, F. Liassobetraccium verticispinosum (Kozur and Mostler, 1990); sample Rö37. G–J. Tozerium filzmoosense Cifer sp. nov. G. Holotype, sample Rö416: 170717. H. Paratype, sample Rö416: 170503. I. Paratype, sample Rö416: 170739. J. Paratype, sample Rö37: 171105. K–O. Loupanus pliensbachicus Cifer sp. nov. K. Holotype, sample Rö416: 170562. L. Paratype, sample Rö416: 170559. M. Paratype, sample Rö416: 170757. N. Paratype, sample Rö416: 170704. O. Paratype, sample Rö416: 170560. P, Q. Loupanus sp. 1; sample Rö417. R, S. Thurstonia? timberensis Whalen and Carter in Carter et al., 1998; sample Rö416. T. Thurstonia? minutaglobus Whalen and Carter in Carter et al., 1998; sample Rö416. U–W. Thurstonia? robusta Cifer sp. nov. U. Holotype, sample Rö417: Rö417_093.V. Paratype, sample Rö417: Rö417_090. W. Paratype, sample Rö417: Rö417_098.