Astrononion sp.

   found in a sand pit near Waldlaubersheim, Mainzer Becken, Germany   Rupelian, Oligocene  Alzey Formation  Taxon Profile

Spiral and umbilical view of different specimen of Astrononion sp.

Forams found and images contributed by Kai Nungesser

My taxonomic suggestion is based upon: Grimm, Kirsten I.; Grimm, Matthias C.: Die Alzey-Formation (Rupelium, Mainzer Becken) am Steigerberg bei Eckelsheim: Sedimentologische, sequenzstratigrahische und biostratigraphische Untersuchungen eines transgressiven Küstensystems, Geologica et Palaeontologica, 2005