New "Porostromata" algae of the Mesozoic (I)

Ovidiu Dragastan ^[1]
1. [1] University of Bucharest
  
  University of Bucharest
  
  Sector 3, Rumanía
Localización: Revista española de micropaleontología, ISSN 0556-655X, Vol. 20, Nº. 3, 1988, págs. 355-388
Idioma: inglés
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Resumen
- Mesozoic algae of the “Porostromata” group with tubular-filamentous thalli assigned to Cyanophyta and Chlorophyta families are described. Also are mentioned the main criteria for distinguish the Cyanophyta and Chlorophyta (Codiaceae) genera and species.
  
  The Cyanophyta taxa are: Alpinella distincta n. gen., n. sp., Paraortonella richteri Dragastan (Family Scytonemataceae), Rivularia pumili n. sp., R. piae (Frollo) (Family Rivulariaceae) and Mitcheldeania turgida n. sp. (Family Mitcheldeaniaceae, Cyanophyta?).
  
  The Chlorophyta ones are: Bicasiella jurassica n. gen., n. sp., B. giuvalae n. sp., Bicajiella radiata n. gen., n. sp., Suhardiella n. gen., Niteckiella fabelliformis n. gen.,n. sp., N. gibba n. sp., Fagetiella angulata n. gen., n. sp., Scotlandella andersoni n. sp. (Family Codiaceae) and Alexanderella stricta n. gen., n. sp. (Family Chaetophoraceae).