Sikorski, A. and Pavlova, L. 2018.

Two new species of Laonice (Norgensia) (Spionidae, Polychaeta) from subtropical Atlantic and subequatorial Pacific coasts of North America

. Zootaxa. 4418, 2 (May 2018), 171–178. DOI:https://doi.org/10.11646/zootaxa.4418.2.6.