Clypeina (Michelin)

Granier, Bruno, Clavel, Bernard, Charollais, Jean & MarcWeidmann, 2014, Latest Jurassic - Early Cretaceous Dasycladalean Algae (Chlorophyta) From The Morand Drilling At Montricher (Canton Of Vaud, Switzerland), Acta Palaeontologica Romaniae 10 (1 - 2), pp. 1-2 : 29

Genus Clypeina (Michelin)

The fossil genus Clypeina comprises some forty species, of which we identified two in the cores studied. It is worth mentioning that, although Clypeina paucicalcarea (Conrad) , which was recently revised (Granier, 2013a), is a classical species of older Urgonian deposits ( Clavel et al., 2007, 2013), we did not observed it in the material studied.

Clypeina parasolkani (Farinacci & Radoičić)

( Fig. 5 j-m; Fig. 6 h-l)

This species is common within the Pierre Châtel Formation, up to its transition into the Vions Formation ( Clypeina aff. parasolkani : Fig. 5 n-o).

Figures

Fig. 5 a to p (scale bar: 250 µm): a random section of Terquemella sp., "Urgonien jaune", Upper Hauterivian, sample 107; b random section of Terquemella sp., "Urgonien jaune", Upper Hauterivian, sample 128; c subtransverse section of Deloffrella hauteriviana, " Pierre jaune", Lower Hauterivian, sample 171; d section of a lateral of Rajkaella minima, Vions Fm, Upper Berriasian, sample 287; e section of a lateral of Rajkaella minima, Pierre Châtel Formation, Middle Berriasian, sample 312; f subtransverse section of Salpingoporella steinhauseri, Pierre Châtel Formation, Middle Berriasian, sample 307; g oblique section of Salpingoporella steinhauseri, Pierre Châtel Formation, Middle Berriasian, sample 307; h tangential section of Salpingoporella steinhauseri, Pierre Châtel Formation, Middle Berriasian, sample 307; i oblique section of a verticil of Actinoporella sp. (note: the corona structure is visible), Pierre Châtel Formation, Middle Berriasian, sample 301; j oblique section of a verticil of Clypeina parasolkani, Pierre Châtel Formation, Middle Berriasian, sample 310; k subaxial section of a verticil of Clypeina parasolkani, Pierre Châtel Formation, Middle Berriasian, sample 310; l oblique section of a verticil of Clypeina parasolkani, Pierre Châtel Formation, Middle Berriasian, sample 310; m subtransverse section of a verticil of Clypeina parasolkani, Pierre Châtel Formation, Middle Berriasian, sample 309; n oblique section of Clypeina aff. parasolkani (two fertile verticils visible), transition Vions - Pierre Châtel formations, Middle-Upper Berriasian, sample 291.8; o subaxial section of Clypeina aff. parasolkani (three fertile verticils visible), transition Vions - Pierre Châtel formations, Middle-Upper Berriasian, sample 291.8; p oblique section of Otternstella lemmensis, Pierre Châtel Formation, Middle Berriasian, sample 317

Fig. 6 a to o (scale bar: 250 µm): a oblique section of Salpingoporella annulata, Pierre Châtel Formation, Middle Berriasian, sample 317; b oblique section of Salpingoporella annulata, Pierre Châtel Formation, Middle Berriasian, sample 317; c subtransverse section of Salpingoporella annulata, Pierre Châtel Formation, Middle Berriasian, sample 317; d oblique section of Falsolikanella campanensis, Vions Fm, Upper Berriasian, sample 270; e deep tangential section of Pseudoactinoporella fragilis, "Urgonien jaune", Upper Hauterivian, sample 101; f oblique section of Pseudoactinoporella fragilis, "Urgonien jaune", Upper Hauterivian, sample 107; g oblique section of Conradella bakalovae, "Urgonien jaune", Upper Hauterivian, sample 134; h oblique section of a verticil of Clypeina parasolkani, Pierre Châtel Formation, Middle Berriasian, sample 309; i oblique section of a verticil of Clypeina parasolkani, Pierre Châtel Formation, Middle Berriasian, sample 293; j oblique section of a verticil of Clypeina parasolkani, Pierre Châtel Formation, Middle Berriasian, sample 293; k subaxial section of a verticil of Clypeina parasolkani, Pierre Châtel Formation, Middle Berriasian, sample 309; l subtransverse section of a verticil of Clypeina parasolkani, Pierre Châtel Formation, Middle Berriasian, sample 309; m deep tangential section of Deloffrella quercifoliipora, Vions Fm, Upper Berriasian, sample 271; n random section of Cymopolia sp. or Neomeris sp., "Urgonien jaune", Upper Hauterivian, sample 115; o oblique section of Angioporella fouryae, "Urgonien jaune", Upper Hauterivian, sample 129