urn:lsid:zoobank.org:act: 46CA8144-915D-4392-90B9-7F123D2BE411
Nyfrieslandoceras bassleroceroides gen. et sp. nov.
Slightly curved slender conch with compressed conch cross section; ornamented with distinct irregularly spaced growth lines, which form hyponomic sinus at convex side of conch curvature; chambers are narrowly spaced, ca nine per distance similar to corresponding conch height; sutures form broad lateral lobe; siphuncle thin and nearly marginal at convex side of conch curvature, with slightly expanded segments; septal necks short, thickened achoanitic.