Catalogue of Notomastus M. Sars, 1851 (Annelida, Capitellidae) and the description of a new species from the Gulf of California Author García-Garza, María Elena Author León-González, Jesús Angel De Author Tovar-Hernández, María Ana text Zootaxa 2019 2019-04-05 4577 2 249 273 journal article 27382 10.11646/zootaxa.4577.2.2 627c5262-5f05-45f3-a88e-dd2cfeec5043 1175-5326 2629701 C61988A5-561D-4E34-9C0B-2E8BFF23BF25 29. Notomastus magnus Hartman, 1947 ( Fig. 4g ) Notomastus magnus Hartman, 1947 : 412 , pl. 50, figs 1–6; 1961: 35; 1963: 63; 1969: 401, figs 1–6.— Reish 1963 : 429 .— Blake 1975 : 226 ; 2000: 83, fig. 4.14.—García-Garza & de León-González 2011 : 42 .—García-Garza & de León-González 2015 : 185 , fig. 2g–i. Dasybranchus giganteus .— Moore 1909 : 279 , not Moore 1906 : 227 . Notomastus giganteus .— Berkeley & Berkeley 1941 : 48 , not Moore 1906 : 227 . Type material: * Paratype ( LACM-POLY 0413 ) , * Paratype ( LACM-POLY 2217 ) , * Paratype ( BMNH-AN 1958.3.1.31-32) . Type locality: Eastern Pacific , USA , California , Tomales Bay , intertidal, sea grass Phyllospadix , muddy sand . Records: California ( Moore 1909 , as Dasybranchus giganteus ; Berkeley and Berkeley 1941 , as Notomastus giganteus ; Hartman 1961 , 1963 , 1969 ; Blake 2000 ), Western coast of Baja California Sur and Northern Gulf of California , Sonora (García-Garza & de León-González 2011 , 2015 ).