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Rhinoclavis Kochi Ordine Caenogastropoda Philippi, 1848 Famiglia Cerithidae

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Rhinoclavis Kochi Ordine Caenogastropoda Philippi, 1848 Famiglia Cerithidae Identificazione e distribuzione nei mari italiani di specie non indigene Classe Gastropoda Rhinoclavis kochi Ordine Caenogastropoda Philippi, 1848 Famiglia Cerithidae SINONIMI RILEVANTI Cerithium kochi Philippi, 1848 Cerithium subulatum Lamarck, 1822 Cerithium recurvum Sowerby, 1855 DESCRIZIONE COROLOGIA / AFFINITA’ Senza dati. Conchiglia molto slanciata, alto-spiralata (circa 4.5 volte più lunga che larga). Presenta 13-17 giri (esclusi quelli larvali, poiché negli adulti sono DISTRIBUZIONE ATTUALE quasi sempre erosi). La scultura sul primo giro è Oceano Pacifico, Oceano Indiano, Mar Rosso, data da due corde spiralalate che procedono Mediterraneo: Israele, Turchia, Cipro parallele alla linea di sutura. Su gli altri giri sono presenti da 6-7 corde spirali che procedono PRIMA SEGNALAZIONE IN MEDITERRANEO addossate fra di loro. Una debole piega assiale 1963, Haifa Bay, Israele (Barash & Danin, 1973). determina la formazione di piccoli nodi all'intersezione con le spire. Canale sifonale allungato e moderatamente aperto. PRIMA SEGNALAZIONE IN ITALIA - COLORAZIONE Colore giallo paglierino con aree irregolari brune. Gli interspazi fra le spire sono di colore scuro. ORIGINE Indo-pacifico. FORMULA MERISTICA VIE DI DISPERSIONE PRIMARIE - Progressiva penetrazione dal Canale di Suez. Dai sei TAGLIA MASSIMA individui catturati nel 1963 (Barash & Danin) si è passati a circa 1800 nel 1970 rappresentando uno - delle specie più abbondanti lungo le coste STADI LARVALI Israeliane. La larva è planctotrofica VIE DI DISPERSIONE SECONDARIE SPECIE SIMILI - - Identificazione e distribuzione nei mari italiani di specie non indigene CARATTERI DISTINTIVI STATO DELL ’INVASIONE Established. - MOTIVI DEL SUCCESSO HABITAT Sconosciuti. Vive su substrati fangosi e sabbiosi ad una profondità compresa fra 20 e 60 m. SPECIE IN COMPETIZIONE - PARTICOLARI CONDIZIONI AMBIENTALI IMPATTI Sconosciute. - DANNI ECOLOGICI BIOLOGIA - Produce masse ovigere di consistenza gelatinosa ed attaccate al substrato. DANNI ECONOMICI - IMPORTANZA PER L ’UOMO Sconosciuta BANCA DEI CAMPIONI - PRESENZA IN G -BANK - PROVENIENZA DEL CAMPIONE TIPOLOGIA : (MUSCOLO / ESEMPLARE INTERO / CONGELATO / FISSATO ECC ) LUOGO DI CONSERVAZIONE CODICE CAMPIONE Identificazione e distribuzione nei mari italiani di specie non indigene BIBLIOGRAFIA Barash A. and Danin Z., 1973. The Indo-Pacific species of mollusca in the Mediterranean and notes on a collection from the Suez canal. Israel Journal of Zoology, 21 (3-4): 301-374 [ Cerithium kochi pp. 308-309, fig. 5]. Barash A. and Danin Z., 1977. Additions to the knowledge of Indo-Pacific Mollusca in the Mediterranean. Conchiglie, 13 (5-6): 85-116. Barash A., Danin Z. Yaron I., 1984 - The genus Rhinoclavis (Gastropoda: Cerithiidae) in the Red Sea. Ann. Museo Civ. Storia Naturale. Genova, 85: 95-117 Demetropoulos A. and Hadjichristophorou M., 1976. Some additions to the knowledge of the malacofauna of Cyprus. Departement of Fisheries, Nicosia: 75-83. Engl W., 1995. Specie prevalentemente Lessepsiane attestate lungo le coste Turche. Bollettino Malacologico, 31 (1-4): 43-50. Houbrick R.S., 1978. The family Cerithiidae in the Indo-Pacific. Part 1: the genera Rhinoclavis, Pseudovertagus and Clavocerithium. Monographs of Marine Mollusca, 1: 1-130 [R. kochi pp. 73- 79]. Galil B.S., 1994 - Lessepsian migration - biological invasion of the Mediterranean. 63-66 Gilat-Gottlieb E., 1959 - Study on the benthos in Haifa Bay. Ecology and zoogeography of invertebrates. Sea Fisheries Research Station Bulletin, Haifa. Spec. Publ.: 1-131 .
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