Yochelson E.L. (1964). Modestospira, a New Ordovician Gastropod. <em>Journal of Paleontology.</em> 38(5): 891-898. page(s): 894, pl. 145, figs. 4-10 [details] Available for editors [request]
original descriptionYochelson E.L. (1964). Modestospira, a New Ordovician Gastropod. <em>Journal of Paleontology.</em> 38(5): 891-898. page(s): 894, pl. 145, figs. 4-10 [details] Available for editors [request]