Salmacina tribranchiata ( Moore, 1923 )

Bastida-Zavala, J. Rolando, 2008, Serpulids (Annelida: Polychaeta) from the Eastern Pacific, including a brief mention of Hawaiian serpulids, Zootaxa 1722, pp. 1-61 : 43

publication ID	11755334
persistent identifier	https://treatment.plazi.org/id/7B4F87BD-953C-FFC0-FF1F-5DEBFD447AC9
treatment provided by	Felipe
scientific name	Salmacina tribranchiata ( Moore, 1923 )
status

Treatment

Salmacina tribranchiata ( Moore, 1923) View in CoL

( Figures 10H–J)

Filograna tribranchiata Moore, 1923: 250–251 View in CoL . Type locality: Off Santa Rosa Island, California, USA. Salmacina tribranchiata View in CoL .— Nogueira and ten Hove, 2000: 158–159, tab. 1–2 (discussion of the genus).

Material examined. More than 227 specimens: Alaska ( USA), SERC s.v., 6 spec. (approx. 57º02’N, 135º20’W, Sitka, PVC fouling plates, 1999–2002) GoogleMaps . California ( USA), SERC s.v., 199+ spec. (approx. 32º43’N, 117º13’W, San Diego, PVC fouling plates, 1999–2002); MBL-SD s.n., 2 spec. (approx. 32º40’N, 117º25’W, off San Diego, RV, sta. E–9 and E–14, Oct. 3, 1996 and July 15, 2003, 116 m and 98 m) GoogleMaps . Hawaii ( USA), UMAR-Poly 94, colony ( Hawaii inter-island cargo barge, HF–023, hull fouling community roughly two years old; barge only operates in Hawaii, coll. SG) . Sinaloa ( Mexico), UANL 346, 10+ spec. (approx. 23º10’N, 106º25’W, Mazatlan, June 25, 1979, coll. M.E. Hendrickx, as Filograna implexa ) GoogleMaps . Oaxaca ( Mexico), UMAR-Poly 95, 10 spec. (15º41’14”N, 96º26’32”W, La Tijera beach, Puerto Angel, on coral Pocillopora , May or June, 2004, coll. G. Velásquez) GoogleMaps .

Diagnosis. Gregarious serpulids. Tube white, thin, with transversal ridges, lacks longitudinal ridges, peristomes or alveoli. Branchial crown with 3–4 radioles per lobe ( Fig. 10H). Opercular peduncle or operculum absent; however, the radioles sometimes with the tips and/or pinnules swollen. Thorax with 8–11 chaetigers. Collar with fin-and-blade chaetae, with proximal denticulate expansion separate of the distal limbate zone, with 3–6 large teeth ( Fig. 10I). All thoracic chaetigers (except collar segment) with “ Apomatus ” chaetae ( Fig. 10J). Thoracic uncini rasp shaped, with 8–9 rows of teeth and 3–4 teeth in each row. Abdomen with 26– 29 chaetigers.

Habitat. Depth: Intertidal to 2 m. On dead coral. Fouling species.

Distribution. North-eastern Pacific. From Alaska to California ( USA); Hawaii and Mexican Pacific ( Moore 1923; Nogueira & ten Hove 2000).