Mediomastus californiensis Hartman, 1944

Garcia-Garza, Maria Elena & Leon-Gonzalez, Jesus Angel De, 2011, Review of the Capitellidae (Annelida, Polychaeta) from the Eastern Tropical Pacific region, with notes on selected species, ZooKeys 151, pp. 17-52 : 23-24

Mediomastus californiensis Hartman, 1944

Mediomastus californiensis Hartman, 1944: 264 Pl. 26, fig. 64; Hartman 1947: 408, Pl. 46, figs 3-4; 1963: 63; 1969: 387, figs 1-4; Day 1973: 99; Hutchings and Rainer 1979: 779; Ewing 1984a: 14.14, figs 14-10 a-c; Warren et al. 1994: 239, figs 2b, 7 c–d, 9 a–d, 12; de León González 1994: 62; Hernández-Alcántara and Solís-Weiss 1998: 710; Blake 2000: 78, fig. 4.12 a–d; Dean 2001: 78; 2004: 136.

Type locality.

California, Tomales Bay, USA [28°25'N, 123°W], June 8 1941, intertidal.

Type material.

Holotype (LACM-AHF POLY 0428).

Material examined.

(408 specimens) Baja California Sur: La Paz Bay, Ensenada de La Paz, Stn. 1 [24°06'50.3"N, 110°25'12.0"W] (10 specimens); Stn. 3 [24°07'09.9"N, 110°21'18.2"W] (1 specimen); Stn. 4 [24°08'29.9"N, 110°21'08.7"W] (20 specimens); Stn. 8 [24°09'50.7"N, 110°21'38.0"W] (8 specimens); Stn. 10 [24°09'55.1"N, 110°25'26.2"W] (42 specimens); Stn. 11 [24°08'28.9"N, 110°25'41.9"W] (7 specimens); Stn. 12 [24°07'37.3"N, 110°25'10.6"W] (4 specimens), 17 August 2005, 0.15 m; Stn. 1 (6 specimens); Stn. 2 [24°06'30.6"N, 110°24'05.1"W] (23 specimens); Stn. 3 (16 specimens); Stn. 6 [24°09'59.8"N, 110°19'37.5"W] (2 specimens); Stn. 8 (13 specimens); Stn. 11 (6 specimens) 5-7 m, 27 November 2005, Coll. DHV; Stn. 1 (17); Stn. 2 (59 specimens); Stn. 3 (51 specimens); Stn. 4 (2 specimens); Stn. 7 [24°09'00.0"N, 110°21'38.0"W] (1 specimen); Stn. 8 (6 specimens); Stn. 9 [24°10'13.9"N, 110°24'26.2"W] (3 specimens); Stn. 10 (9 specimens); Stn. 11 (1 specimen); Stn. 12 (1specimen) 30 m, 6 March 2006, Stn. 1 (5 specimens), Stn. 2 (17 specimens); Stn. 3 (3 specimens); Stn. 4 (4 specimens); Stn. 5 [24°08'53.4"N, 110°20'17.3"W] (1 specimen); Stn. 8 (7 specimens), Stn. 9 (4 specimens), Stn. 10 (15 specimens); Stn. 11 (4 specimens); Stn. 12 (1 specimen) 0.15 m, June 1 2006, Coll. DHV; Manglar Zacatecas (UANL-6425) [24°9'56.2"N, 110°25'55.6"W] (2 specimens), 24 June 2005; (UANL 6422) (15 specimens), 1 m, 1 August 2006; Enfermería Beach (UANL-6424) [24°13'55.6"N, 110°18'23.7"W] (2 specimens), 0.15 m, June 24 2005; El Conchalito Beach (UANL-6423) [24°08'23.4"N, 110°21'05.8"W] (20 specimens), 1 m, August 1 2006, Coll. JALG and MEGG.

Records.

USA: Oregon to California ( Hartman 1944, 1947, 1963, 1969, Blake 2000); North Carolina ( Day 1973); Florida ( Ewing 1984a); Australia ( Hutchings and Rainer 1979), California, Florida, North Carolina and British Columbia (Warren 1994), Costa Rica ( Dean 2001, 2004). México: Baja California, Sonora ( Hernández-Alcántara and Solís-Weiss 1993, 1998), Baja California Sur ( de León-González 1994, present study).