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Strebel, 1912) Natica bouvieri Jousseaume, 1883 (Mollusca: Gastropoda: Naticidae) a forgotten species compared with Natica canariensis Odhner, 1931 Frank Nolf Pr. Stefanieplein, 43/8 B-8400 Oostende, Belgium [email protected] Keywords: NATICIDAE, Natica bouvieri, Natica Moreover, I have been able to thoroughly study canariensis, all the West African NATICIDAE from the MNHN- collections and as it could be expected both Abstract: names – N. canariensis and N. bouvieri – were After nearly a hundred years of confusion, this present on the labels used by different amateur paper intends to remove all remaining doubts and professional researchers. The purpose of my about the attribution of the names Natica study was to investigate if both are different bouvieri Jousseaume, 1883 and Natica species and if really so, what the differences are. canariensis Odhner, 1932. Both refer to clearly Identification of representatives of the family distinct species and specimens can easily be NATICIDAE is not as easy as one would like it to separated from each other by the differences in be because only few parameters can be used. the funicular callus and the operculum. The structure of the operculum and the umbilicus combined with the funicular are here considered Abbreviations: the most suitable instruments, certainly when the CFN: Private collection of Frank Nolf radulae are not available for study. (Oostende, Belgium). CJV: Private collection of Johan Verstraeten Material examined: (Oostende, Belgium) MNHN: Muséum national d’Histoire naturelle, Natica canariensis Odhner, 1932 Paris, France. Lanzarote, Canary Islands, Spain, December PEMARCO: Pêche Maritime du Congo. 1964, 2 dd (CFN); Mauritania, NW Africa, 20°00’ N/ 17°29’ W, dredged at a depth of 72 m, 1 dd H.: Height. (CFN); Mauritania, NW Africa, 18°54’ N/ 16°32’ W.: Width. W, dredged by N.O. N’DIAGO Exp., Stn. 289 at a depth of 60 m, 1 juv dd (MNHN); Mauritania, NW dd: empty shells, dead taken material. Africa, 18°42’ N/ 16°25’ W, dredged by N.O. juv: juvenile. N’DIAGO Exp., Stn. 111 at a depth of 158 m, 29 lv: live taken material. October 1981, 1 juv dd (MNHN, ex coll. Richer Stn: Station. de Forges, 1981); Mauritania, NW Africa, 18°36’ N/ 16°28’ W, dredged by METEOR Exp., Stn. Introduction: Since my early studies on West 119 at a depth of 70 m, 29 October 1981, 1 juv African molluscs I have always been intrigued by dd (MNHN, ex coll. Richer de Forges, 1981); a sample of five specimens of Natica sp. Mauritania, NW Africa, 18°00’ N/ 16°08’ W, obtained from the PEMARCO-fishery off the dredged by METEOR Exp., Stn. 256 at a depth Angolese coasts in 1972 (Pl. VII, Figs 48-56). of 17 m, 1 juv dd (MNHN, ex coll. Richer de The shells appeared to be slightly different from Forges, 1981); Mauritania, NW Africa, 18°00’ N/ what is commonly called Natica canariensis 16°17’ W, dredged by METEOR Exp., Stn. 259 Odhner, 1932. at a depth of 50 m, 1 juv dd (MNHN, ex coll. During the past ten years we have become more Richer de Forges, 1981); Mauritania, NW Africa, and more acquainted with the name Natica 17°48’ N/ 16°21’ W, dredged by METEOR Exp., bouvieri Jousseaume, 1883, which is used as a Stn. 239 at a depth of 79 m, 1 juv dd (MNHN, ex so-called correct name for N. canariensis, coll. Richer de Forges, 1981); Mauritania, NW downgrading the latter to the rank of junior Africa, 17°42’ N/ 16°05’ W, dredged by “N.O. synonym (Hollman, personal communication). N’DIAGO”, Stn. 232 at a depth of 12 m, 1 juv dd So, it was evident to search for the type of the + 1 dd (MNHN, ex coll. Richer de Forges, 1981); forgotten N. bouvieri, kindly provided by Ph. Mauritania, NW Africa, 17°42’ N/ 16°22’ W, Bouchet and V. Héros (MNHN) (Pl. IX). dredged by METEOR Exp., Stn. 226 at a depth Neptunea, vol.13, n°4 1 August 2015 1 of 79 m, 1 juv dd (MNHN, ex coll. Richer de dredged by “Louis Sauger” fishing boat at 48-50 Forges, 1981); Mauritania, NW Africa, 17°30’ N/ m, 29 March 1988, 1 dd (MNHN, ex coll. R. von 16°21’ W, dredged by METEOR Exp., Stn. 205 Cosel); N Casamance, Senegal, dredged in fine at a depth of 69 m, 1 juv dd (MNHN, ex coll. sand at a depth of 50 m, 1995, 1 juv dd (CFN); Richer de Forges, 1981); Mauritania, NW Africa, Casamance, Senegal, 12°46.9’ N/ 17°29.9’ W, in 17°18’ N/ 16°20’ W, dredged by “N.O. N’DIAGO”, fine sand, dredged at a depth of 45 m by “Louis Stn. 185 at a depth of 48 m, 1 juv dd + 1 dd Sauger” fishing boat, 29 March 1988, 1 juv dd (MNHN, ex coll. Richer de Forges, 1981); (MNHN, ex coll. R. von Cosel); Casamance, Mauritania, NW Africa, 17°18’ N/ 16°28’ W, Senegal, 12°32’ N/ 17°28.8’ W, dredged at a dredged at a depth of 95 m by “N.O N’DIAGO”, depth of 45 m by “Louis Sauger” fishing boat in Stn. 182, 2 juv dd (MNHN, ex coll. Richer de fine sand at a depth of 45 m, 28 March 1988, 1 Mauritania, NW Africa, 17°18’ N/ 16°29’ W, juv dd (MNHN, ex coll. R. von Cosel); Guinea- dredged by METEOR Exp., Stn. 182 at a depth Bissau,Casamance–Essoukoudiak Bôlon border, of 95 m, 1 juv dd (MNHN, ex coll. Richer de dredged in sand among small boulders at 5-6 m, Forges, 1981); Mauritania, NW Africa, 17°17’ N/ 1 juv dd (CFN); off Abidjan, Ivory Coast, 1 juv dd 16°25’ W, dredged by METEOR Exp., Stn. 60-77 (MNHN, ex coll. Marche-Marchad); 1 juv dd at a depth of 85 m, 1 juv dd (MNHN, ex coll. (MNHN, ex coll. Richer de Forges, 1981); off Richer de Forges, 1981); Cape Verde Islands, Abidjan, Ivory Coast, 2 juv dd (MNHN, ex coll. 16°01’ N/ 23°04’ W, dredged at a depth of 100- Marche-Marchad); off Abidjan, Ivory Coast, 118 m, 1 juv dd (MNHN); Praia, São Tiago, Cape dredged at a depth of 100 m, ORSTOM Exp., 5 Verde Islands, in sand at low tide, 1992, 9 juv dd dd (MNHN, ex coll. Le Loeuff); off Abidjan, Ivory (MNHN, ex coll. P. Bernard); Cape Verde Coast, dredged by N/O Reine Pokou, ORSTOM Islands, 16°01’ N/ 23°00’ W, dredged at a depth 1965-77 Exp., 3 dd (MNHN, ex coll. Le Loeuff); of 45 m, CALYPSO 1959 Exp., Stn. 74, 25 Gulf of Guinea, 10°19’ N/ 16°33’40”, dredged at November 1959, 1 dd (MNHN); Cape Verde a depth of 60-73 m, 1 juv dd (CFN); Cotonou, Islands, 1 juv dd (MNHN, coll. Petit/ H. Fischer); Benin, dredged by GRUVEL Exp., 23 March Cape Verde Islands, 15°26’ N/ 13°14’ W, 1910, 10 juv dd (MNHN); Gulf of Guinea, 04°36’ CALYPSO 1959 Exp., Stn. 64, dredged at a N/ 01°31’ W, dredged at a depth of 50 m, depth of 100 m, 1 dd (MNHN); Senegal, 1 juv dd “CALYPSO 1956” Exp., Stn. 25, 1 juv dd (MNHN, ex coll. H. Fischer); off Gorée, Dakar, (MNHN, ex coll. Marche-Marchad); Mayumba, Senegal, dredged at a depth of 50 m, 5 July Gabon, dredged at a depth of 20-40 m, 28 dd 1955, 5 juv dd (MNHN, ex coll. Marche- (MNHN, ex coll. P. Bernard); Banana, Marchad); Bay of Gorée, Senegal, 6 December Democratic Republic of the Congo, dredged by 1954, 1 dd (MNHN, ex coll. Marche-Marchad/ M. GRUVEL Exp., 28 April 1910, 1 juv dd (MNHN); Staadt); off Dakar, Senegal, dredged at -4 m, 1 off Pointe Kipundji, Democratic Republic of the juv dd (MNHN, ex coll. Marche-Marchad); off Congo, 05°56’ S/ 12°07’ E, dredged in a muddy Dakar, Senegal, dredged at a depth of 50 m, 5 bottom at 22-25 m, ORSTOM Exp., 1969, 1 juv juv dd (MNHN, ex coll. Marche-Marchad); south dd (MNHN); Ilha de Luanda, Angola, dredged at of Gorée, off Dakar, Senegal, dredged at a depth a depth of 40-60 m, 3 juv dd (CFN); Ilha de of 42 m, 2 April 1958, 1 juv dd (MNHN, ex coll. Luanda, Prov. Luanda, Angola, circalittoral, Marche-Marchad); SE of Gorée, Senegal, dredged at a depth of 40-60 m, 3 dd (MNHN, ex dredged in fine sand among rocks at -19 m, coll. S. Gofas, 1982-84); Point of Mussulo, Prov. March 1975, 1 juv dd (CFN); Cap de Naze, Luanda, Angola, in shell deposits on the beach, Senegal, dredged at a depth of 30-50 m, 1987, 1 1983, 1 juv dd (MNHN, ex coll. S. Gofas); Bay of dd (MNHN, ex coll. M. Pin); Cap de Naze, Lucira, Bissonga, Prov. Namibe, Angola, Senegal, dredged at 30-50 m, 1 lv + 2 juv lv + 1 dredged among coral rubble at a depth of 10-20 dd (MNHN); Bay of Rufisque, Senegal, GRUVEL m, 1 juv dd (MNHN, ex coll. S. Gofas); Praia Exp., dredged at 6-9 m, 3 April 1909, 1 dd Amelia, Namibe, Prov. Namibe, Angola, dredged (MNHN); N Casamance Abéné, Senegal, at a depth of 40-60 ml, 1 juv dd (MNHN, ex coll. 13°02.3’ N/ 17°08.5’ W; dredged by “Louis S. Gofas). Sauger” fishing boat in fine sand at -27 m, 25 March 1988, 1 dd (MNHN, ex coll.
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