Cooper, G. A.; Grant, R. E. (1976). Permian Brachiopods of west Texas, V. <em>Smithsonian Contributions to Paleobiology.</em> 24: 2609-3159.[details] Available for editors
Traits (2025). Rhynchopora hebetata Cooper & Grant, 1976 †. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1766032 on 2025-05-07
Marine Species Traits editorial board (2025). Marine Species Traits. Rhynchopora hebetata Cooper & Grant, 1976 †. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1766032 on 2025-05-07
original descriptionCooper, G. A.; Grant, R. E. (1976). Permian Brachiopods of west Texas, V. <em>Smithsonian Contributions to Paleobiology.</em> 24: 2609-3159.[details] Available for editors