Pomatostegus krØyeri Mörch, 1863: 399
Serpula stellata
Grube 1859: 113–114
Salazar-Vallejo & Londoño-Mesa 2004: 55
Serpula stellatus
Dean 2004: 165
Pomatostegus kröyeri
Dean 2004: 165
Pomatostegus krØyeri
Hove & Kupriyanova 2009: 78
Pomatostegus kroyeri
Bastida-Zavala et al . 2016: 428–429
Pocillopora damicornis (Linnaeus, 1758))
Bastida-Zavala & Sánchez-Ovando 2021: 26
Pomatostegus stellatus
Monro 1928: 100
Monro 1933: 1081
Treadwell 1937: 157
Fauvel 1943: 30
Laverde-Castillo 1986: 128
Laverde-Castillo 1988: 91
Salcedo-Martínez et al . 1988: 84
Salazar-Vallejo 1989: 200
Bastida-Zavala 1995: 25
Gómez et al . 1997: 1071
López-García et al . 1997: 66
Hernández-Alcántara et al . 2003: 9
Salazar-Vallejo & Londoño-Mesa 2004: 55
Bastida-Zavala 2008: 34
Bastida-Zavala et al . 2013: 349
Redescription of Pomatostegus stellatus (Abildgaard, 1789) and P. kroyeri Mörch 1863 (Polychaeta: Serpulidae) from the Tropical American coasts
Sánchez-Ovando, J. Pablo
Bastida-Zavala, J. Rolando
Zootaxa
2021
2021-05-17
4970
3
495
514
Bastida-Zavala et al . 2016: 428–429
Bastida-Zavala 2008: 34
4LQXY
Morch, 1863
Morch
1863
[151,570,726,753]
Polychaeta
Serpulidae
Pomatostegus
Animalia
Sabellida
9
504
Annelida
species
kroyeri
( Figures 3A–D, 4A–E, 5C–D, 6D–F, 8B, 9)
Pomatostegus krØyeri Mörch, 1863: 399, pl. 11, Fig. 15. Typelocality: Puntarenas, Costa Rica(re-identification of Grube’s material, below). Serpula stellata(not Abildgaard, 1789).— Grube 1859: 113–114( Puntarenas, Costa Rica); Salazar-Vallejo & Londoño-Mesa 2004: 55(Tropical Eastern Pacific, checklist). Serpula stellatus(not Abildgaard, 1789).— Dean 2004: 165(referring to Grube 1859, above). Pomatostegus kröyeri.— Dean 2004: 165(list of polychaetes from Costa Rica). Pomatostegus krØyeri.—ten Hove & Kupriyanova 2009: 78(worldwide serpulid checklist). Pomatostegus kroyeri.— Bastida-Zavala et al. 2016: 428–429, fig. 12H (Marina San Carlos, Sonora; Margarita Island, Magdalena Bay and Caleritas Beach, Baja California Sur; Caleta de Chón, Guerrero; 6 m; off CentroMexicano de la TortugaAquarium, Mazunte, San Agustinillo, Camarón Beach, Puerto Ángel, San Agustín Beach and Montosa Island, Oaxaca; 2–6 m; on mollusk shell, rocks and coral Pocillopora damicornis(Linnaeus, 1758)); Bastida-Zavala & Sánchez-Ovando 2021: 26(identification key for Tropical American coasts). Pomatostegus stellatus(not Abildgaard, 1789).— Monro 1928: 100(Taboga Island, Panamá, 7–9 m, sand and stones); Monro 1933: 1081(Balboa, Taboga and Coiba Islands, Panamá, intertidal to 18 m, on docks, pools at low tide and in sand); Treadwell 1937: 157(Arena Bank, Gulf of California, 23°29’N, 109°23’30”W; 91 m); Fauvel 1943: 30(Cabo Pulmo, Baja California Sur); Laverde-Castillo 1986: 128(Málaga Bay, Colombian Pacific); Laverde-Castillo 1988: 91(Curichichi Island, Málaga Bay, on dead coral and rocks); Salcedo-Martínez et al. 1988: 84(Zihuatanejo, Guerrero); Salazar-Vallejo 1989: 200(Mexican coasts, checklist); Bastida-Zavala 1995: 25(Cabo Pulmo Reef, Baja California Sur, on coral; 4–17 m); Gómez et al. 1997: 1071(Tangolunda and La Entrega beaches, Oaxaca; rocks and coral); López-García et al. 1997: 66(Coiba Island, Panamá; under rocks); Hernández-Alcántara et al. 2003: 9(checklist; erroneously cited from Cedros Island, Baja California; misquote of Treadwell’s record of 1937, above); Salazar-Vallejo & Londoño-Mesa 2004: 55(Tropical Eastern Pacific, checklist); Bastida-Zavala 2008: 34, fig. 7S (Cabo Pulmo Reef and Loreto Marina, Baja California Sur; 0–17 m); Bastida-Zavala 2009: 531 (identification key for Tropical American coasts); Bastida-Zavala et al. 2013: 349(Oaxaca, checklist).
Material examined. 11 specimens. Baja California Sur:( Total: 3 spec.), UMAR-Poly 789, 2 spec., ( Margarita Island, Magdalena Bay, February 23, 1989, coll. R. Bastida-Zavala); UMAR-Poly 790, 1 spec., ( Caleritas Beach, on coral, March 10, 2006, coll. D. Herrero-Pérezrul et al., fixed and preserved in alcohol 96%). Guerrero:( Total: 1 spec.), UMAR-Poly 791, 1 spec.( Caleta de Chón, 6 m, on coral Pocillopora damicornis, December 2, 2010, coll. S. Guendolain). Oaxaca:(Total: 6 spec.), UMAR-Poly 792, 1 spec.(off Centro Mexicanode la Tortuga Aquarium, Mazunte, 2 m, on rock, June 11, 2013, coll. T. Peregrino & C. Valeriano); UMAR-Poly 793, 1 spec.(San Agustinillo, on mollusk shell, May 11, 2013, coll. A. Gerónimo et al.); UMAR-Poly 794, 1 spec.(Camarón Beach, on coral, April 27, 2013, coll. R. Xavier & V. Alvarado); UMAR-Poly 795, 1 spec.(Puerto Ángel, on rocks, May 3, 2010, coll. H. Sánchez& A. Pineda); UMAR-Poly 796, 1 spec.(San Agustín Beach, 5.8 m, on coral Pocillopora damicornis, February 23, 2010, coll. R. Granja & S. Guendolain); UMAR-Poly 797, 1 spec.( Montosa Island, 6 m, on P. damicornis, February 22, 2010, coll. R. Granja& S. Guendolain). FIGURE 6.Variability of Spirobranchus-type chaetae. Pomatostegus stellatus: A–B. specimens from Cozumel, Quintana Roo; C. specimen from Contoy Island, Quintana Roo. P. kroyeri: D. specimen from Margarita Island, Magdalena Bay, Baja California Sur; E. specimen from Caleta de Chón, Guerrero; F. specimen from Camarón Beach, Oaxaca. Costa Rica:( Total: 1 spec.), UMAR-Poly 835, 1 spec.( Cabo Blanco, Puntarenas, intertidal zone, between basalts, November 10, 2012, coll. T. F. Villalobos-Guerrero, fixed and preserved in alcohol 96%).
Redescription.Tube with five longitudinal ridges, the middle largest, forming an elevated crest, outer tube surface of brown color, inner surface of white color, semi-circular in cross-section ( Fig. 8B). Body yellowish, 40 mmlong ( Fig. 3D). Thorax 5 mmlong and 3.1 mm wide, with seven chaetigers. Abdomen with 106 chaetigers. Radioles with 1–3 bands of black-blue iridescent pigment ( Fig. 3B). Opercular peduncle maculated with black-blue pigment, 10 mmlong including opercular plates and 3 mmwide in the basal plate; with wide wings; inserted into right lobe ( Fig. 3B–C). Operculum chitinous, 4 mmlong; with three concentric festooned deep dish-shaped plates, successive plates barely separated, connected to a hollow column with a tip with one “free” circlet of spines without accompanying plates; circlets of small spines present at the basis of each plate (immediately below each plate; Fig. 3A–D). Thoracic membrane short, extending to segment 3. Collar chaetae missing at both sides in examined specimen ( Costa Rica, UMAR-Poly 835); other specimens with Spirobranchus- typechaetae with a narrow proximal boss. Thoracic chaetigers with two kinds of chaetae, Apomatus- typeand limbate ( Fig. 4A–B). Abdominal chaetae flat narrow geniculate, with long blade ( Fig. 4C). Thoracic uncini of segment 5 saw-shaped, with 10–11 teeth ( Fig. 4D). Abdominal uncini similar to thoracic uncini but smaller, with 7–8 teeth ( Fig. 4E). Variability.Tubes brown to white, with five longitudinal ridges. Body length variable (n=10, r: 2.1–40, µ=21.3 ±11.8). Thorax with different length (n=9, r: 0.4–5, µ=3.4 ±1.5) and width (n=10, r: 0.2–3.1, µ=1.8 ±0.9). Variable number of abdominal chaetigers (n=6, r: 55–106, µ=69.3 ±19.2). In some specimens, radioles with 1–3 bands of brown iridescent pigment and opercular peduncle without pigmentation. Peduncle, including opercular plates, varying in length (n=10, r: 0.8–10, µ=5.6 ±3), inserted into right (n=6) or left lobe (n=4). Operculum variable in length (n=10, r: 0.2–4, µ=1.9 ±1.1) and number of plates (n=9, r: 3–8, µ=5 ±1). All opercular plates deeply dish-shaped. On the specimen used for this description (UMAR-Poly 835) the opercular plates are more widely separated than in other reviewed specimens ( Figs 3A–D, 5C–D). All specimens with seven thoracic chaetigers. Collar with Spirobranchus- typechaetae with a narrow proximal boss (1.3:1 wider than distal blade) with many teeth; denticulate capillaries present as well ( Fig. 6D–F). Habitat.Littoral to sublittoral ( 64 m, Treadwell 1937). Below rocks, on live or dead coral ( Pocillopora verrucosa(Ellis & Solander, 1786)and P. damicornis), oysters and pier piles ( Bastida-Zavala 2008). Occasionally part of fouling fauna ( Bastida-Zavala et al.2016).
Distribution.Tropical Eastern Pacific, from the Gulf of California to Colombia( Bastida-Zavala 2008).
Remarks. Mörch (1863: 399, pl. 11, Fig. 15) described the species from the Pacific of Costa Ricaas Pomatostegus krØyeri; however, here the spelling was corrected because the ICZN Art.32.5.2.1 explicitly states that an “o slash” (ø), as in Mörch’s original krØyeri, should be corrected to an “o” without slash. The typespecimens are not in the Zoologisk Museum, Copenhagen, and are presumably lost. The records of Pomatostegus stellatusfrom the Tropical Eastern Pacific region are questionable, as was mentioned in the previous species. In this work, we demonstrate that P. kroyeridiffers from P. stellatusin the shape of the opercular plates and Spirobranchus- typechaetae: Pomatostegus kroyerihas deep dish-shaped opercular plates and the Spirobranchus- typechaetae have a narrow proximal boss, while P. stellatushas shallow dish-shaped plates and a wide proximal boss in the Spirobranchus- typechaetae.
3127696312
1989-02-23
R
Bastida-Zavala
Total
Bay
Margarita Island
9
504
5
Baja California Sur
3127696325
2006-03-10
D. Herrero-Perezrul
Caleritas Beach
9
504
1
Magdalena
3127696309
2010-12-02
de Chon & S. Guendolain
6
Caleta de Chon
Total
9
504
2
Guerrero
3127696317
2010-02-22
2013-06-11
2010-02-22
T, R, V
T. Peregrino & C. Valeriano
Haiti
Montosa Island
2
Mexicano
Mazunte
9
504
6
Centre
3127696304
2010-02-22
2013-06-11
2010-02-22
T, R, V
A. Geronimo
Haiti
Montosa Island
2
Mexicano
Mazunte
9
504
6
Centre
3127696330
2010-02-22
2013-06-11
2010-02-22
T, R, V
R. Xavier & V. Alvarado
Haiti
Montosa Island
2
Mexicano
Mazunte
9
504
6
Centre
3127696311
2010-02-22
2013-06-11
2010-02-22
T, R, V
H. Sanchez & A. Pineda
Haiti
Montosa Island
2
Mexicano
Mazunte
9
504
6
Centre
3127696321
2010-02-22
2013-06-11
2010-02-22
T, R, V
R. Granja & S. Guendolain
Haiti
Montosa Island
2
Mexicano
Mazunte
9
504
6
Centre
3127696322
2010-02-22
2013-06-11
2010-02-22
T, R, V
R. Granja & S. Guendolain
Haiti
Montosa Island
2
Mexicano
Mazunte
9
504
6
Centre
3127696323
2012-11-10
T
F. Villalobos-Guerrero
Costa Rica
Cabo Blanco
Total
11
506
2
Puntarenas