First records and two new species of sipunculans (Sipuncula) from the Southern Mexican Pacific Author Silva-Morales, Itzahí ADA5A4BD-EB4E-47E3-A6A7-D3E1FDA64ED3 División de Posgrado, El Colegio de la Frontera Sur, Unidad Chetumal, Quintana Roo, Mexico. itzahi_marley.gwn@hotmail.com Author Gómez-Vásquez, Julio D. BD3A3DE1-21F5-4B54-A707-361BE8E90DB9 Laboratorio de Sistemática de Invertebrados Marinos (LABSIM), Universidad del Mar campus Puerto Ángel, Ciudad Universitaria, Puerto Ángel, Pochutla, Oaxaca 70902, Mexico. gomezvjuliod@gmail.com text European Journal of Taxonomy 2021 2021-03-25 740 1 77 117 http://dx.doi.org/10.5852/ejt.2021.740.1283 journal article 7588 10.5852/ejt.2021.740.1283 504278d0-5689-4adb-9350-3e97392bfbf0 2118-9773 4643194 07F1B593-9F4F-4B32-88D9-ADC5CA0BEB84 Phascolosoma ( Phascolosoma ) agassizii agassizii Keferstein, 1866: 218–219 , as Phascolosoma agassizii ; type locality: Mendocino, California. — Steinbeck & Ricketts 1941: 345–346 (under boulders, intertidal, Point Lobos, Espíritu Santo Island, Baja California Sur ). — Brusca & Thompson 1977: 44, as P. agassizii (Cabo Pulmo reef, Baja California Sur , Mexico , in coral). — Brusca 1980: 126, as P. agassizii (Gulf of California, Mexico ). — Dean et al. 2010: 62, as P. agassizii (Point Ulloa, Costa Rica , in calcareous rock).