Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1204685]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Tympanotonos Schumacher, 1817]
Datum citace: 30. listopad 2019
Paleobiology Database [105742]
Paleobiology Database [https://paleobiodb.org/] [jako Tympanotonos Schumacher, 1817]
Datum citace: 13. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1206143]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Exechocirsus Cossmann, 1906]
Datum citace: 8. prosinec 2019
Paleobiology Database [9848]
Paleobiology Database [https://paleobiodb.org/] [jako Exechocirsus]
Datum citace: 11. prosinec 2015