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Mollusca, Streptoneura, Gastropoda

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Mollusca, Streptoneura, Gastropoda 41671 (Rev. Zool. afr., 95, 3). (A paru le 30 septembre 1981). CYMATÏIDAE in den Sammlungen des Musée Royal de F Afrique Centrale in Tervuren (Belgien) (Mollusca, Streptoneura, Gastropoda) von R. K ILIA S (Museum für Naturkunde der Humboldt-Universität zu Berlin, DDR) EINFÜHRUNG Die Verbreitung der meisten Arten der Cymatiidae (Tonnoidea, Streptoneura, Gastropoda) ist zwar in grossen Zügen bekannt, doch lassen sich die Grenzen der Verbreitungsgebiete nach dem heutigen Kenntnisstand teilweise nur ungenau festlegen. Auch innerhalb der bisher angenommenen Verbreitungsgebiete sind von weiten Strecken noch keine Funde nachgewiesen. Neben künftigen Neufunden sind es vor allem die noch nicht bearbeiteten Museums-sammlungen, di 2 durch ihre gespeicherten Funddaten unser heutiger Bild über Vor­ kommen und Verbreitung der Cymatiidae-Arten ergänzen können. In den Sammlungen des Musée Royal de lAfrique Centrale in Ter­ vuren befindet sich Material von Cymatiidae vorwiegend aus afri­ kanischen und einigen angrenzenden Meeresteilen, das in den letz­ ten fünf Jahrzehnten gesammelt oder erworben wurde. Es umfasst über 200 Gehäuse unterschiedlichen Erhaltungszustandes und zwei vollständige, in Alkohol konservierte Tiere. Leider sind zahlreiche Gehäuse ohne Embryonalwindungen, erheblich abgerieben oder auch beschädigt. — 698 — Die mir angetragene Bearbeitung dieses Materials habe ich gern übernommen, da in jedem Falle für verschiedene Arten neue Fund­ orte zu erwarten waren. Dank des freundlichen Entgegenkommens des Chef des Invertebrates im Mussum Tervuren, Prof. P.L.G. Benoit, dem ich vielmals danke, konnte das Material im Berliner Museum für Naturkunde bearbeitet und verglichen werden. Aufstellung der bearbeiteten Arten. Alle Gehäuse konnten determiniert werden. Die Arten werden in der systematischen Reihenfolge auf geführt. Zu den jeweiligen Arten werden nur die originären Synonyme genannt (neue Kombinationen und die Diagnosen der Arten s. Kilias, 1973). Dazu angegeben werden Verbreitung, Funddaten und Grössenangaben (Länge/Breite der Ge­ häuse in Millimetern). Die meisten Fundorte der zu 24 Arten bzw. Unterarten zu rechnen­ den Gehäuse liegen innerhalb der bisher bekannten Verbreitungs­ grenzen. Einige Fundorte erweitern jedoch die bisher durch Funde belegten Verbreitungsgebiete, vorausgesetzt, dass die vorliegenden Gehäuse nicht an die aufgeführten Fundorte verdriftet oder ver­ schleppt wurden. Auch die Grössen der vorliegenden Gehäuse ent­ sprechen den mehrfach publizierten Grössenverhältnissen der jewei­ ligen Arten. Subfamilia ARGOBUCCININAE kilias, 1973 Genus APOLLON Montfort, 1810 Apollon Montfort, 1810: 571 (spec. typ. Murex gyrinus Linnaeus; Orig.-Design.). Anmerkung. — Für die Gattung Apollon Montfort, 1810, wird in der Literatur vielfach der name Gyrinewn Link, 1807, verwendet, Rovereto hat 1899 als erster für Gyrinewn eine Typusart bestimmt (G . spinosum Dillw.), die zur heutigen Familie Bursidae gestellt wird. G. spinosum {— echinata Link, 1807) gehörte jedoch nicht zu den ursprünglich eingeschlossenen bei der Einführung des Gattungsna­ m e n s Gyrinewn durch Link, und Rovereto hat spinosum bei seine; Typusfestlegung nicht als identisch mit echinata erklärt (obwohl er es sicherlich so auffasste). Von mehreren Autoren wird daher die Typusfestlegung von Rovereto nicht anerkannt (z.B. Cernohorsky 1967 : — 699 — 322), sondern die von Dali (1904). Dieser hat Murex gyrinus L. ( a lle r ­ dings ebenfalls nicht exakt den Nomenklaturregeln entsprechend) als Typusart von Gyrineum Link, 1807, festgelegt. Bei Anerkennung von Gyrineum als gültigen Gattungsnamen für die Apollon-Arten würde Apollon zum objektiven Synonym von Gyrineum. Subgenus Apollon s. str. Gyrinella Dali, 1924: 89 (spec. typ. Gyrineum pus.llum Broderip) Apollon (Apollon) pusillus (Broderip, 1832) Ranella pusilla Broderip, 1832: 194 (in Oceano Pacifico, Lord Hood’s Island). Ranella rosea Reeve, 1844: Ranella, spec. 46, Taf. 8, Fig. 46 (Island of Ticao, Phi­ lippines). Triton lacunatum Mighels, 1845: 24 (Oahu). Bursa concinna Dunker, 1862: 239 (Mare Erythraeum). Ranella polychloros Tapparone Canefri, 1875: 1028 (Wokan, Isole Aru). Ranella sagitta Küster, 1878: 147, Taf. 38a, Fig. 6 (ohne loc.). Verbreitung. — In den wärmeren Teilen des Indopazifik. Material. — 2 Gehäuse von Mahe, Seychellen; Mission Zool., VII- V III.1972 (M asse: 16,9/10,8; 13,7/8,9 mm). Genus ARGOBUCCINUM Herrmannsen, 1846 Argobuccinum Herrmannsen, 1846: 77 (spec. typ. Ranella Argus Linn. [= Murex argus Gmelin]; Orig.-Design.). Gondwanula Finlay, 1926: 399 (nom. nov. pro Argobuccinum Herrmannsen; spec, typ. Ranella tumida Dunker; Orig.-Design.). Subgenus Argobuccinum s. str. Argobuccinum (Argobuccinum) argus argus (Gmelin, 1791) Murex argus Gmelin, 1791: 3547 (India: ad insulas amicas et sociales). Ranella polyzonalis Lamarck; 1816: Taf. 414, Fig. 3a, b (ohne loc.). Verbreitung. — Südliche und südwestliche Küstenregionen Süd­ a f r ik a s . Material. — 27 Gehäuse von Capetown; Lahousse-Cassart 1953-1954- 1955 (Masse zwischen 64,0/41,0 und 20,4/13,6 mm; 2 Gehäuse von Capetown; Barnard 1953 (M asse: 78,2/54,5 und 41,/29,5 mm). 10 Gehäuse von Reg. de Capetown; La Housse 1952 (Masse zwischen 70 3/52,4 und 20,5/15,9 mm, breitestes Gehäuse 68,0/55,5 mm). — 700 — 2 Gehäuse von Durban und Côtes Nord du Natal; Lahousse-Cassart 1955 (Masse : 73,0/55,6 und 60,0/43,4 mm). 1 Gehäuse von Banana [Zaïre, 5°58' s.Br.]; Cattoor 1945 (Masse: 50,8/33,9 mm). 1 Gehäuse von Landana [Angola, 5°13’ s.Br.]; E. Dartevelle 1937 (Masse : 23,7/15,3 mm). Anmerkung. — B e i Argobuccinum argus argus schieben sich durch die Gehäusefunde bei Landana und Banana die Verbreitunsgrenzen an der W estküste erheblich nach Norden (bis 5° 13’ s.Br.). An der süd­ ostafrikanischen Küste gibt es nach Norden hin (Durban und Nord­ küste von Natal) kaum Veränderungen. Subgenus Mayena Iredale, 1917 Mayena Iredale, 1917: 324 (spec. typ. Biplex australasia Perry; Orig.-Design.). Argobuccinum (Mayena) australasium gemmiferum (Euthyme, 1889) Tritonium gemmiferum Euthyme, 1889: 277, Taf. 7, Fig. 1 (Port Elisabeth, au Cap de Bonne-Espérance). Ranella leucostoma var. poecilostoma von Martens, 1903: 56 (Algoabai, S.-Afrika). Eugyrina gemnifera lepta Bartsch, 1915: 93, Taf. 8, Fig. 1, 4 (Port Alfred, S.-Africa). Verbreitung. — Süd- und südostafrikanische Küste. Material. — 1 Gehäuse von Capetown; Barnard 1953 (Masse ; 59,2/ 32,2 m m ). 1 Gehäuse von Jeffrey’s Bay, S. Africa; F.K. Hadley (Masse : 98,4/ 56,5 m m ). Subfamilia CYMATIINAE Kilias, 1973 Genus CHARONIA Gistel, 1848 Charonia Gistel, 1848: 170 (spec. typ. Charonia tritonis (L.); Monotyp.). Subgenus Charonia s. str. Triton Montfort, 1810: 587 (spec. typ. Triton tritonis Linnaeus); [non Triton Lin­ naeus, 1758; non Triton Laurenti, 1768] Nyctilochus Gistel, 1848: 170 (nom. nov. pro Triton Montfort, 1810). Buccinatorium Mörch, 1877: 26 (spec. typ. [Clench & Turner, 1957] Triton nobile Conrad [= Triton variegatus Lamarck]). — 701 — Charonia (Charonia) rubicunda (Perry, 1811) Septa rubicunda Perry, 1811: Taf. 14, Fig. 4 (Port Jackson). Murex nerei Dillwyn, 1817: 728 (South Sea). Triton nodiferum Lamarck, 1822: 179 (Méditerranée et Océan Atlantique). Triton australe Lamarck, 1822: 179 (Nouvelle-Hollande, près de Botani-Baie). Triton Meditterraneum Risso, 1826 : 203 (Mittelmeer). Triton crassum, colubrinum et ventricosum Grateloup, 1840: Taf. 29, Fig. 20, 21 und 17 (ohne loc.). Triton Sauliae Reeve, 1844: Triton, spec. 17, Taf. 5, Fig. 17a, b (Matnog, Insel Luzon, Philippines). Tritonium glabrum Locard, 1886: 154 (Toulon dans le Var). Tritonium pustulatum et varr. m'.nor et varicosa Euthyme, 1889: 273, Taf. 6, Fig. 3, 4, und 276 (Port Elisabeth, au Cap de Bonne-Espérance). Charonia nodifera var. euclia Hedley, 1914: 65, Taf. 8, Fig. 1 (Great Australian Bight, östl. Länge 126-129°). Charonia capax et subspec. euclioides Finlay, 1926: 397, Taf. 20, Fig. 67 (Off Otago Heads, New Zealand), 398, Taf. 20, Fig. 69 (Off Otago Heads, New Zealand). Charonia euclia instructa Iredale, 1929: 172, Taf. 41, Fig. 5 (South coast N.S.W.). Charonia powellii Cotton, 1957: 120, Taf. 4 (S.W.A. Ellenbrook). Verbreitung. — Mittelmeer, Ostatlantik, Indischer Ozean, West­ p a z ifik . Material. — 1 Gehäuse von Angola, zwischen Luanda und Novo- Redendo (50-100 m tief); J. Meulenbergh 1966 (Masse : 119,6/51,9 mm, letzter Umgang stark beschädigt). 1 Tier vom Congo, zwischen Boma und 2° s. Br.; J. Meulenbergh 1964 (Gehäusemasse : 181/96 mm, die oberen Windungen fehlen). Anmerkung. — Der angolanische Fundort Luanda/Novo-Redendo schliesst bei Charonia rubicunda die Lücke zwischen mediterranen/ norwestafrikanischen und südafrikanischen Fundorten. Charonia (Charonia) tritonis tritonis (Linnaeus, 1758) Murex tritonis Linnaeus, 1758 (America [err. loci]). Tritonium marmoratum Link, 1807: 22 (Ersatznamen für tritonis L.). Verbreitung. — Indischer Ozean, Westpazifik. Material. — 1 Gehäuse von Mozambique, Inhaca; Mission Zool. belge, VII-VIII.1969 (Masse : 109,3/38,0 mm). 1 Gehäuse von Kenya, M ombasa; D. Canneel 1957 (M asse: 308/140 m m ). 1 Gehäuse von M auritius; Mikado Shell House (M asse: 211,0/103,6 m m ). Charonia (Charonia) tritonis variegata (Lamarck, 1816) Triton variegata Lamarck, 1816: Taf. 421, Fig. 2a, b (ohne loc.). Triton nobilis Conrad, 1848: 121 (West Indies, St-Thomas, Virgin Islands). Triton Seguenzae Adams & Benoit, 1870: 90 (Sizilien). — 702 — Verbreitung. — In wärmeren Teilen des Atlantik. Material. — 1 Tier von St-Helena, James Bay; Mission Zool. beige, X II.1965 (Gehäusemasse : 175/98 mm, die oberen Umgänge fehlen).
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