Megalomma carunculata Tovar-Hernández & Salazar-Vallejo, 2008

Bastida-Zavala, J. Rolando, Buelna, Alondra Sofía Rodríguez, León-González, Jesús Angel De, Camacho-Cruz, Karla Andrea & Carmona, Isabel, 2016, New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific, Zootaxa 4184 (3), pp. 401-457 : 407

Megalomma carunculata Tovar-Hernández & Salazar-Vallejo, 2008

( Figures 2 , 10 B–C)

Megalomma carunculata Tovar-Hernández & Salazar-Vallejo, 2008: 1957 –1961, Figs 1–2 . Type locality: Punta Manzanillo, Acapulco , Guerrero . Also from Huatulco and Puerto Ángel , Oaxaca, 1–1.5 m.

Megalomma carunculata . — Tovar-Hernández & Carrera-Parra 2011: 18 –19 (new record from Acapulco, in sponge); Bastida- Zavala et al. 2013: 348 (Oaxaca, checklist).

Material examined. Four specimens.

Baja California: UANL 7855 (Bahía de los Ángeles, sta. 1, 28°56’52.9”N, 113°33’25.3”W, March 31, 2011, coll. JAL).

Baja California Sur: UANL 7856 ( Marina Cantamar, Pichilingue, Sta. 1, 24°16’42.7”N, 110°19’50.4”W, April 22, 2010, coll. JAL).

Guerrero: UMAR-Poly 706 (Morro Colorado, Zihuatanejo, in Pocillopora damicornis [ Linnaeus , 1758], 1.5 m, November 30, 2010, coll. SGG).

Oaxaca: UMAR-Poly 707 (El Maguey Beach, in dead corals, intertidal, July 4, 2007).

Habitat. Intertidal to subtidal (1.5 m). Tide pools and in sponge ( Tovar-Hernández & Salazar-Vallejo 2008; Tovar-Hernández & Carrera-Parra 2011); on corals and on anthropogenic substrates in marinas (from Bahía de los Ángeles, Baja California, and Marina Cantamar , Baja California Sur). Occasionally as part of fouling fauna.

Distribution. Mexican Pacific, Baja California, Baja California Sur, Guerrero and Oaxaca.

Remarks. Megalomma carunculata is a big species, with a length of 7 to 16 cm; however, it is extremely rare in the Mexican Pacific ( Tovar-Hernández & Salazar-Vallejo 2008).

Figures

FIGURE 1. Study area. The Tropical Eastern Pacific, Southern California and Hawaii, with main geographical names mentioned in text.

FIGURE 2. Distribution of the sabellids Branchiomma bairdi, Megalomma carunculata, Parasabella pallida and Pseudobranchiomma punctata in the Tropical Eastern Pacific, Southern California and Hawaii.

FIGURE 10. Sabellids and serpulids in the Mexican Pacific. A. Branchiomma bairdi, anterior part; B – C. Megalomma carunculata, anterior part and caruncle; D. Parasabella pallida, anterior part; E – F. Pseudobranchiomma punctata, body and detail of abdominal section; G. Ficopomatus uschakovi, anterior part; H – I. Crucigera websteri, opercula, lateral and aboral side (colors in life and preserved).