Fossil group: Gastropoda
Species Proturritella gradata (Koken, 1897)

Taxon ID: 11437 | 2013-11-15 / 2013-11-15
Belongs to: Proturritella
Sister taxa: Proturritella acutum | Proturritella angulosa | Proturritella cingulata | Proturritella piersalense | Proturritella reticulata | Proturritella trimarginata
Stratigraphic range: Kunda Stage

Synonymy list

  • Gonionema gradatum n. sp. : Koken, E., 1897, lk. 186, joon.
  • Gonionema gradatum Koken : Koken & Perner, 1925, lk. 209, joon. 35: 3, 4, 5

Collection specimens linked to species