Ceratonereis longicirrata Perkins, 1980

Conde-Vela, Víctor Manuel, 2021, Revision of Ceratonereis Kinberg, 1865 recorded from the Caribbean Sea, with description of two new Ceratonereis species and a new combination of Platynereis Kinberg, 1865, Zootaxa 5026 (3), pp. 301-343 : 315-318

publication ID

https://doi.org/10.11646/zootaxa.5026.3.1

publication LSID

lsid:zoobank.org:pub:ADCAF347-2787-4AEF-AE0F-B8D5B5968B66

persistent identifier

https://treatment.plazi.org/id/4E3F87EA-F42B-FFB7-F89B-F958FD31DE54

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Plazi

scientific name

Ceratonereis longicirrata Perkins, 1980
status

 

Ceratonereis longicirrata Perkins, 1980

Figures 9–10 View FIGURE 9 View FIGURE 10

Ceratonereis longicirrata Perkins, 1980: 26–32 , figs 11, 12. Hartmann-Schröder 1985: 42–43, fig. 22. Salazar-Vallejo & Jiménez-Cueto 1997: 363, figs 4, 19, 40, 41.

Type material. Northwestern Atlantic Ocean, United States. Holotype USNM 58740 View Materials , Hutchinson Island , Sta. Lucie County, Florida (27°19.1’N 80°13.2’W), 8.2 m depth, 12 December 1976, Coll. N Whiting. GoogleMaps

Additional material. Northwestern Atlantic Ocean, United States. USNM 1490821 View Materials (5), S side of Tavernier Key, Florida Keys , Florida, July 1960, Coll . ML Jones. USNM 1490822 View Materials (1), Sta. 3A, Key Largo, Florida Keys ,

Florida, 19 November 1968, Coll. ME Rice. Caribbean Sea, Mexico. ECOSUR P3189 View Materials (2), Puente Las Coloradas , Yucatán (21°35’36.82”N 88° 3’21.75”W), on dark greenish sponges, in mangrove roots, 13 May 2009 GoogleMaps , Col. S.I. Salazar-Vallejo, L.F. Carrera-Parra. ECOSUR P3190 View Materials (1), Puente Las Coloradas , Yucatán (21°35’36.82”N 88° 3’21.75”W), on algae in piles, 15 October, 2009 GoogleMaps , Coll. S.I. Salazar-Vallejo, L.F. Carrera-Parra. ECOSUR P1111 View Materials (3), Laguna Nichupté , Quintana Roo (21°06’11.6”N 86°47’21.1”W), 5 July 1988 GoogleMaps , Coll. S. Jiménez-Cueto. ECOSUR P1149 View Materials (2), Laguna Nichupté , Quintana Roo (21°05’11.5’’N 86°47’21’’W), 30 October 1987 GoogleMaps , Coll. M.S. Jiménez- Cueto. ECOSUR P1155 View Materials (1), R / V Edwin Link, Sta. 2783 (18°42’N 87°41’W) Mahahual, Quintana Roo, 58.8 m depth, 24 August 1990 GoogleMaps . ECOSUR P1159 View Materials (2), Mahahual , Quintana Roo (18°43’1’’N 87°42’23’’W), 1 October 1996 GoogleMaps , Coll. S.I. Salazar-Vallejo, L.F. Carrera-Parra. ECOSUR P1161 View Materials (2), R / V Edwin Link, Sta. 2788 (18°51.74’N 87°37.38’W) Punta Changuay, Quintana Roo, 52.7 m depth, 26 August 1990 GoogleMaps . ECOSUR P1162 View Materials (2), Laguna Nichupté , Quintana Roo (21°06’11.6”N 86°47’21.1”W), 30 October 1987 GoogleMaps , Coll. M.S Jiménez-Cueto. ECOSUR P1163 View Materials (3), Laguna Nichupté , Quintana Roo (21°05’11.5’’N 86°47’21’’W), 30 October 1987 GoogleMaps , Coll. M.S. Jiménez- Cueto. ECOSUR P1164 View Materials (1) Laguna Nichupté , Quintana Roo (21°06’11.6”N 86°47’21.1”W), 19 April 1988 GoogleMaps , Coll. M.S. Jiménez-Cueto. ECOSUR P1165 View Materials (2), Laguna Nichupté , Quintana Roo (21°05’11.5’’N 86°47’21’’W), 30 October 1987 GoogleMaps , Coll. M.S. Jiménez-Cueto. ECOSUR P1205 View Materials (1), Laguna Nichupté , Quintana Roo (21°05’11.5’’N 86°47’21’’W), 28 October 1987 GoogleMaps , Coll. M.S. Jiménez-Cueto. ECOSUR P1207 View Materials (4), Playa Aventuras , Quintana Roo (20°29’50”N 87°13’53”W), 18 May 1986 GoogleMaps , Coll. S.I. Salazar-Vallejo. ECOSUR P1217 View Materials (17), Punta Nizuc , Quintana Roo (21°02’5.51”N 86°47’43.02”W), 4 m depth, 1 September 1997 GoogleMaps , Coll. L.F. Carrera-Parra, S.I. Salazar-Vallejo, M.A. Ruiz-Zárate. Jamaica. UMML 22.1148 View Materials (2), R / V Pillsbury, Cruise 7006, Sta. 1252 (17°09’N 78°57’W), W Pedro Bank, Jamaica, 26 m depth, 14 July 1970 GoogleMaps .

Description. Atoke holotype (USNM 58740) complete, in two fragments, 20 mm long, 0.7 mm wide at chaetiger 10, 59 chaetigers ( Fig. 9B View FIGURE 9 ). Non-type specimen (ECOSUR P1164) from Laguna Nichupté, Mexico, used for description to avoid further destruction of type material, in good incomplete, 14 mm long, 0.9 mm wide at chaetiger 10 excluding parapodia, 54 chaetigers.Another specimen (ECOSUR P3190) from Las Coloradas, Mexico, used to show pharynx ( Fig. 9E–F View FIGURE 9 ), 26 mm long, 1.2 mm wide, 58 chaetigers. Non-type specimens most incomplete with tentacular and dorsal cirri missing.

Body pale whitish or pale, glandular masses or pigmentation not observed ( Fig. 9A–D View FIGURE 9 ).

Prostomium as long as wide, subpentagonal, anterior margin deeply incised, dorsal groove present ( Fig. 9A, D View FIGURE 9 ).

Antennae subulate, as long as prostomium, as long as palps ( Fig. 9A, D View FIGURE 9 ).

Palpophores subcylindrical, as long as prostomium; tips of palpostyles rounded or pyriform ( Fig. 9F View FIGURE 9 ).

Eyes rounded, subequal, in trapezoidal arrangement, blackish, as wide as basal diameter of antennae, lenses not visible, posterior pair not covered by achaetous ring ( Fig. 9A, D View FIGURE 9 ).

Achaetous ring shorter than chaetiger 1, anterior margin convex ( Fig. 9A, D View FIGURE 9 ).

Tentacular cirri smooth, posterodorsal cirri extending backwards to chaetigers 14–15 ( Fig. 9A, B, D View FIGURE 9 ).

Pharynx examined by dissection in holotype, everted in non-type specimen. Jaws amber, 8 teeth (2 ensheathed) restricted to first two-thirds of cutting edge ( Fig. 10I View FIGURE 10 ). Maxillary ring cylindrical, oral ring frustum-shaped, 3–4x longer and 1.2x wider than maxillary ring ( Fig. 9E, F View FIGURE 9 ).

Maxillary ring: I= 0; IIa= 8 and IIb= 9 cones in arc; III= 9 cones in round; IVa= 14 and IVb= 18 cones in ellipse. Oral ring: V= 0; VIa-b= 1 rounded papilla ( Fig. 9E, F View FIGURE 9 ); VII–VIII= 0. Ridge pattern of areas VI–V–VI, λ-shaped.

Paired oesophageal caeca absent.

Dorsal cirri filiform, progressively relatively longer; 3.5x longer than neuroacicular ligule in chaetiger 3, 7x longer in chaetiger 10, 6x longer in chaetiger 17, 6x longer in chaetiger 19, 7.3x longer in chaetiger 28, 10x longer in chaetiger 53, 6.4x longer in chaetiger 65 ( Fig. 10A–H View FIGURE 10 ).

Dorsal ligule subulate, progressively shorter and becoming digitiform toward middle chaetigers, absent from chaetiger 20; 1.8x longer than neuroacicular ligule in chaetiger 3, 1.5x longer in chaetiger 10, 0.9x length of neuroacicular ligule in chaetiger 17, 0.2x length in chaetiger 19 ( Fig. 10A–H View FIGURE 10 ).

Notopodial prechaetal lobe absent throughout ( Fig. 10A–H View FIGURE 10 ).

Median ligule subconical or digitiform, progressively shorter toward posterior chaetigers; 1.4x longer than neuroacicular ligule in chaetiger 3, 1.1x longer in chaetiger 10, 0.8x length of neuroacicular ligule in chaetiger 17, 0.8x length in chaetiger 19, 0.9x length in chaetiger 28, 0.6x length in chaetiger 65 ( Fig. 10A–H View FIGURE 10 ).

Neuroacicular ligule subconical throughout, progressively relatively longer toward posterior chaetigers. Neuropodial superior and inferior lobes absent ( Fig. 10A–H View FIGURE 10 ).

Neuropodial postchaetal lobe lamelliform and shorter than neuroacicular ligules throughout, disappearing toward most posterior chaetigers ( Fig. 10A–H View FIGURE 10 ).

Ventral ligule digitiform throughout, progressively shorter toward posterior chaetigers; 1.7x longer than neuroacicular ligule in chaetiger 2, 1.2x in chaetiger 3, 0.8x length of neuroacicular ligule in chaetiger 10, 0.7x length in chaetiger 17, 0.6x length in chaetiger 19, 0.3x length in chaetiger 28, 0.3x length in chaetiger 53, 0.2x length in chaetiger 65 ( Fig. 10A–H View FIGURE 10 ).

Ventral cirrus filiform, not extending beyond tip of neuroacicular ligule; 2.2x longer than neuroacicular ligule in chaetiger 2, 2x longer in chaetiger 3, 1.6x longer in chaetiger 10, 1.5x longer in chaetiger 17, 1.2x longer in chaetiger 19, 1.5x longer in chaetiger 28, 1.1x longer in chaetiger 53, 1.5x longer in chaetiger 65 ( Fig. 10A–H View FIGURE 10 ).

Aciculae amber throughout. Notoaciculae present in first two chaetigers ( Fig. 10A View FIGURE 10 ). Notoaciculae narrower than neuroaciculae in anterior chaetigers, becoming as wide as in following chaetigers ( Fig. 10A–H View FIGURE 10 ).

Notochaetae both short-bossed heterogomph spinigers and falcigers; spinigers in all chaetigers, pectinate, teeth minute, decreasing in size toward tip; falcigers appearing from chaetigers 15–17, pectinate, teeth coarse, distal teeth barely extending beyond blade tip, blade tip with a distal tooth, giving a bifid appearance ( Fig. 10J View FIGURE 10 ), shaft becoming slightly stouter toward posterior chaetigers ( Fig. 10E–H View FIGURE 10 ).

Supracicular neurochaetae short-bossed heterogomph spinigers and long-bossed heterogomph falcigers;spinigers with blades as in notopodial ones; falcigers pectinate, teeth minute, distal teeth barely extending beyond blade tip, blade tip rounded along first 17–20 chaetigers ( Fig. 10K View FIGURE 10 ), with a distal tooth and bifid appearance thereafter.

Infracicular neurochaetae both long-bossed heterogomph spinigers and falcigers; spinigers with blades as in notopodial ones; falcigers pectinate, teeth minute, distal teeth barely extending beyond blade tip, blade tip rounded along first 17–20 chaetigers, with a distal tooth and bifid appearance thereafter ( Fig. 10L View FIGURE 10 ), blades longer than supracicular ones in anterior chaetigers, becoming shorter toward posterior ones.

Pygidium tripartite; anal cirri filiform, as long as last 10 segments ( Fig. 9C View FIGURE 9 ).

Remarks. The original description is d and the attributes therein described match well with the type material examined. However, some features were not illustrated or described, including parapodia from the first two chaetigers, the pharynx including jaws, and posterior end. To improve the original description, and to show the current state of type material, a brief description including figures was made. The species is easily recognizable by the combination of attributes of disappearance of dorsal ligules from middle chaetigers and the presence of falcigers with distal teeth (i.e., bidentate) in noto- and neuropodial fascicles. Salazar-Vallejo & Jiménez-Cueto (1997: 363) described an inverted occurrence of falcigers having and lacking distal teeth in specimens of Laguna Nichupté (bidentate falcigers in first anterior chaetigers, becoming unidentate toward posterior ones), but after the examination of the specimens, the arrangement is as in holotype of C. longicirrata .

Distribution. Florida, U.S.A.; Caribbean Sea.

ML

Musee de Lectoure

ECOSUR

El Colegio de la Frontera Sur (Mexico)

R

Departamento de Geologia, Universidad de Chile

V

Royal British Columbia Museum - Herbarium

Kingdom

Animalia

Phylum

Annelida

Class

Polychaeta

Order

Phyllodocida

Family

Nereididae

Genus

Ceratonereis

Loc

Ceratonereis longicirrata Perkins, 1980

Conde-Vela, Víctor Manuel 2021
2021
Loc

Ceratonereis longicirrata

Salazar-Vallejo, S. I. & Jimenez-Cueto, M. S. 1997: 363
Hartmann-Schroder, G. 1985: 42
Perkins, T. H. 1980: 32
1980