Hydroides humilis ( Bush, 1905 )

Bastida-Zavala, J. Rolando, 2008, Serpulids (Annelida: Polychaeta) from the Eastern Pacific, including a brief mention of Hawaiian serpulids, Zootaxa 1722, pp. 1-61 : 27

Hydroides humilis ( Bush, 1905)

( Figure 6L)

Eupomatus humilis Bush, 1905: 235–236 , pl. 39, figs. 39–40; pl. 44, fig. 22. Type locality: Guaymas , Sonora, Gulf of California, Mexico.

Hydroides humilis .— Bastida-Zavala and ten Hove, 2003b: 92–93, figs. 15A–J (revision of the genus from Eastern Pacific).

Material examined. Four specimens: Guerrero (Mexico), SV-pc, 2 spec. (16º50’33”N, 99º54’39”W, Punta Manzanillo, Acapulco, Aug. 20, 1988, coll. SISV). Oaxaca (Mexico), UMAR-Poly 67 (15º51’N, 97º04’W, Puerto Escondido, on Spondylus calcifer , M12, 6– 10 m, July 4, 2004, coll. SS). Pacific coast of Costa Rica, USNM 80356 (9º52’12”N, 84º45’30”W, Golfo de Nicoya, sta. 28– 2, 4 m, July 10, 1980, coll. H.K. Dean, as Schizocraspedon sp. ).

Diagnosis. For a revised description see Bastida-Zavala and ten Hove (2003b).

Habitat. Depth: 2–3 m, on mangrove, rock and spiny oysters ( Ostrea iridiscens , O. columbiensis and Spondylus calcifer ) and cobbles on sand.

Distribution. Tropical Eastern Pacific. Baja California ( Mexico) to Panama ( Bastida-Zavala & ten Hove 2003b).