Rovereto, G. (1904). Studi monografici sugli annelidi fossili. I. Terziario. Palaeontographia Italica : Memorie di paleontologia. 10: 1-73, pl 1-4., available online athttp://biodiversitylibrary.org/page/34293511[details]
Read, G.; Fauchald, K. (Ed.) (2024). World Polychaeta Database. Spirorbis catagraphus Rovereto, 1904 †. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=331214 on 2024-05-02
Marine Species Traits editorial board (2024). Marine Species Traits. Spirorbis catagraphus Rovereto, 1904 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=331214 on 2024-05-02
original descriptionRovereto, G. (1904). Studi monografici sugli annelidi fossili. I. Terziario. Palaeontographia Italica : Memorie di paleontologia. 10: 1-73, pl 1-4., available online athttp://biodiversitylibrary.org/page/34293511[details]
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