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n.1.(Paleon.) An extinct genus of large herbivorous dinosaurs, found in Jurassic strata in America.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Another tooth with a compressed cone-chisel morphology is also present in the collections (MG 8779, Sauvage, 1897-98; Lapparent and Zbyszewski, 1957) and was originally referred to Morosaurus marchei (Sauvage, 1897-98) and, later, to Apatosaurus alenquerensis (Lapparent and Zbyszewski, 1957).