Plantae

Tettragonaceae Rietschel, 1969

Selection of related publications
Brummer, G. J. A. 1979. Palaeobiology of Tetragonis sulcata d'Eichwald, 1860, an Ordovician receptaculite in erratics from the northern Netherlands. Scripta Geologica 53, 1-40.
Eichwald, E. 1861. Paleontologiâ Rossii. Drevnij period. II. Fauna grauvakkovoj, gornoizvestkovoj i medistoslancevatoj formacij Rossii.