Taxon - Odkazy a literatura
Paleobiology Database [89628]
Paleobiology Database [https://paleobiodb.org/] [jako Acutispinula Filatova & Schileyko, 1984]
Datum citace: 11. prosinec 2015
Paleobiology Database [86060]
Paleobiology Database [https://paleobiodb.org/] [jako Bathyspinula Allen & Sanders, 1982]
Datum citace: 1. duben 2020
Paleobiology Database [89891]
Paleobiology Database [https://paleobiodb.org/] [jako Spinula Dall, 1908]
Datum citace: 11. prosinec 2015