MolluscaBase taxon details
original description
Cowper Reed, F. R. (1920). A Monograph of the British Ordovician and Silurian Bellerophontacea. Part I. Pages 1–48; Plates I–VIII. <em>Monographs of the Palaeontographical Society.</em> 72(345): 1-48., available online at https://doi.org/10.1080/02693445.1920.12035580 page(s): 37-38, pl. VII, fig. 9-12 [details] 
basis of record
Wagner P.J. (2001). Gastropod phylogenetics: Progress, problems, and implications. <em>Journal of Paleontology.</em> 75(6): 1128-1140. [details] Available for editors [request]
|