Haskell, 1970
From dinoflaj3
Haskell, T.R., 1970: Dinoflagellate species Dingodinium cerviculum, Odontochitina operculata and Muderongia tetracantha in Lower Cretaceous strata of the Great Artesian Basin, Australia. Proceedings of the Royal Society of Queensland, v.81, no.5, p.57-68, pl.1.