Protula balboensis Monro, 1933

Bastida-Zavala, J. Rolando, 2008, Serpulids (Annelida: Polychaeta) from the Eastern Pacific, including a brief mention of Hawaiian serpulids, Zootaxa 1722, pp. 1-61 : 37

Protula balboensis Monro, 1933

( Figure 8H)

Protula tubularia var. balboensis Monro, 1933: 1088–1090 , figs. 30A–D. Type locality: Balboa , Western Panama.

Material examined. Eight specimens: Baja California ( Mexico), LACM-AHF s.n., 2 spec. (29º48’25”N, 114º23’30”W, Willard Island, Gonzaga Bay, Velero III, sta. 1063, shore, shingle, Jan. 30, 1940) ; LACM-AHF s.n., 2 spec. (29º32’47”N, 113º34’35”W, Puerto Refugio, Isla Angel de la Guarda, Velero III, sta. 1049, shore, rocky reef, Jan. 27, 1940) ; ZMA V.Pol. 3864, 2 spec. not examined (retained by H.A. ten Hove from previous lot: LACM-AHF 1049 ). Baja California Sur ( Mexico), LACM-AHF s.n. (27º57’15”N, 114º4’45”W, Puerto San Carlos, Velero III, sta. 1091, shore, shingle, Feb. 8, 1940) . Sonora ( Mexico), LACM-AHF s.n. (28º45’35”N, 112º17’45”W, south shore of Isla Tiburon, Velero III, sta. 1045, shore, shingle, Jan. 25, 1940) . Guerrero ( Mexico), SV-pc, 10+ spec. (16º50’33”N, 99º54’39”W, Punta Manzanillo, Acapulco, Aug. 20, 1988, coll. SISV) .

Diagnosis. Tube white, thick-walled, with shallow transverse ridges; lacks longitudinal ridges, peristomes or alveoli. Branchial crown with 21–40 radioles per lobe; radioles with rounded process at end of interradiolar membrane. Operculum and opercular peduncle lacking. Thoracic membrane extends to last thoracic chaetiger, well developed. Collar and thorax with hooded (limbate) chaetae. Abdomen with geniculate chaetae. Thoracic and abdominal uncini with teeth ( Fig. 8H). With yellow dorsal caudal gland.

Habitat. Depth: intertidal. On rocks. Fouling species.

Distribution. Tropical Eastern Pacific. Baja California Sur ( Mexico) to Pacific of Colombia ( Monro 1933); maybe Amphi-American, since questionably mentioned by Zibrowius (1970) from Brazil, and in the checklist by Perkins (1998) from Florida and in the key of Bastida-Zavala and Salazar-Vallejo (2001).