Heterobranchia, Taxa Only, Exact Match: 2 Treatments

Heterobranchia			Luca, Javier Di & Zelaya, Diego G., 2019, Gastropods from the Burdwood Bank (southwestern Atlantic): an overview of species diversity, Zootaxa 4544 (1), pp. 41-78 : 61	61
Prionospio heterobranchia			Delgado-Blas, Victor Hugo & Salazar-Silva, Patricia, 2011, Taxonomic catalogue of the Spionidae (Annelida: Polychaeta) of the Grand Caribbean, Zootaxa 2782, pp. 39-66 : 54	54