Taxon - Odkazy a literatura
Paleobiology Database [31990]
Paleobiology Database [https://paleobiodb.org/] [jako Synchirocrinus Jaekel, 1918]
Datum citace: 25. leden 2018
The Interim Register of Marine and Nonmarine Genera [1240145]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Synchirocrinus Jaeckel, 1918]
Datum citace: 8. leden 2020
The Interim Register of Marine and Nonmarine Genera [1128235]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Pendulocrinus Salter in Murchison, 1859]
Datum citace: 8. prosinec 2019
Jaekel O. (1918): Phylogenie und System der Pelmatozoen, Paläontologische Zeitschrift 3, 1, 1-128 [jako Synchirocrinus Jaekel, 1918]Datum citace: 8. leden 2020