Taxon - Links and literature
Paleobiology Database [10213]
Paleobiology Database [https://paleobiodb.org/] [as Opalia Adams & A., 1858]
Data retrieved on: 11 December 2015
Paleobiology Database [10287]
Paleobiology Database [https://paleobiodb.org/] [as Pliciscala]
Data retrieved on: 11 December 2015
Paleobiology Database [60530]
Paleobiology Database [https://paleobiodb.org/] [as Granuliscala de Boury, 1909]
Data retrieved on: 11 December 2015
Paleobiology Database [116548]
Paleobiology Database [https://paleobiodb.org/] [as Nodiscala De Boury, 1890]
Data retrieved on: 11 December 2015
The Interim Register of Marine and Nonmarine Genera [1336517]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Opalia H. Adams & A. Adams, 1853]
Data retrieved on: 29 November 2019