MolluscaBase source details
Makiyama J. (1925). The evolution of Umbonium. Japanese Journal of Geology and Geography. 3(3-4): 119–130.
436689
Makiyama J.
1925
The evolution of <i>Umbonium</i>
Japanese Journal of Geology and Geography
3(3-4): 119–130
Publication
Date
action
by
Protorotella Makiyama, 1925 † (original description)
Protorotella yuantaniensis Makiyama, 1925 † (original description)
Umbonium (Suchium) Makiyama, 1925 accepted as Umbonium Link, 1807 (original description)
Protorotella yuantaniensis Makiyama, 1925 † (original description)
Umbonium (Suchium) Makiyama, 1925 accepted as Umbonium Link, 1807 (original description)
