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).