This species was previously confused with Petta assimilis.
Record source and Scientific Name verified against:
Zhang, J., Hutchings, P.A., Kupriyanova, E., 2019. A revision of the genus Petta Malmgren, 1866 (Annelida: Pectinariidae), with two new species from deep waters of southeastern Australia, and comments on the phylogeny of the family., Zootaxa, Vol. 4614(2): 303-330. . doi.org/10.11646/zootaxa.4614.2.3 doi:10.11646/zootaxa.4614.2.3