Flower, R.H., 1951. Shantungendoceras and the Antiquity of the Endoceroids. Journal of Paleontology 25, 115-117.

Flower, R.H., Kummel, B., 1950. A Classification of the Nautiloidea. Journal of Paleontology 24, 604-616.

Flower, R.H., 1949. New Genera of Devonian Nautiloids. Journal of Paleontology 23, 74-80.

Flower, R.H., 1947. Cayugoceras, an Upper Silurian Cephalopod. American Midland Naturalist 37, 250-255. doi:10.2307/2421653

Flower, R.H., 1947. New Ordovician Nautiloids from New York. Journal of Paleontology, Vol. 21, No. 5 (Sep., 1947), pp. 429-433 21, 429-433.

Flower, R.H., 1946. Alaskoceras and the Plectoceratidae. Journal of Paleontology 20, 620-624.

Flower, R.H., Ives, W.G., 1946. Subaqueous Mud Cracks Formed by Settling. Science 103, 85-86. doi:10.1126/science.103.2664.85-a

Flower, R.H., 1945. A Belemnite from a Mississippian Boulder of the Caney Shale. Journal of Paleontology 19, 490-503.

Flower, R.H., 1945. Classification of Devonian Nautiloids. American Midland Naturalist 33, 675-724. doi:10.2307/2421185

Flower, R.H., 1945. A New Deepkill Eurypterid. American Midland Naturalist 34, 717-719. doi:10.2307/2421095

Flower, R.H., 1945. New Names for Three Paleozoic Fossil Homonyms. Journal of Paleontology 19, 76-77.

Flower, R.H., 1944. Atractites and Related Coleoid Cephalopods. American Midland Naturalist 32, 756-770. doi:10.2307/2421248

Flower, R.H., 1938. Devonian Brevicones of New York and Adjacent Areas, Paleontotographic Americana. Paleontological Research Institute, Ithaca, New York.