Schlagintweit, F.; Rigaud, S.; Wilmsen, M. (2015). The benthic foraminifer Altamirella biscayana n. gen., n. sp. from the lower Cenomanian of Cantabria, N-Spain: A post-Palaeozoic fusulinan?. Cretaceous Research. 52: 1-8., available online at (https://doi.org/10.1016/j.cretres.2014.08.001) page(s): p. 4 figs. 4-5 (holotype fig. 4 F).
