RELATIONSHIPS BETWEEN PATELLA FERRUGINEA GMELIN, 1791 AND THE OTHER TYRRHENIAN SPECIES OF PATELLA (GASTROPODA: PATELLIDAE) |
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| Authors: | CRETELLA MASSIMO; SCILLITANI GIOVANNI; TOSCANO FRANCESCO; TURELLA PAOLA; PICARIELLO ORFEO; CATAUDO ADRIANA |
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| Institution: |
1 Via Monteruscello 78, Parco Cuma, is. 16, 1-80078 Pozzuoli, Napoli;
2 P.zza A. De Gasperi 13, 1-71100, Foggia;
3 Via U. Niutta 4, 1-80128, Napoli;
4 Traversa Ancona 4, 1-09125, Cagliari;
5Dipartimento di Zoologia Via Mezzocannonc 8, 1-80134, Napoli; and
6Via Maielli 29, 1-82010, Ceppaloni, Benevento, Italy |
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| Abstract: | The external morphology of soft parts of the rare Patella ferrugineaGmelin, 1791 is described, and its relationships with P. caerulea,P. rustica and P. ulys-siponensis are investigated on both morphologicaland electrophoretic grounds. Soft part morphology is a gooddiscriminative tool, but of little help in detecting affinities.Electrophoretic data on 19 presumptive loci suggest that P.rustica is the closest species to P. ferruginea, whereas P.caerulea and P. ulyssiponensis are clustered separately. Meanobserved heterozyg-osities arc higher in P. ferruginea and P.rustica. It is concluded that in case of subdivision of thegenus Patella L., 1758, P. ferruginea and P. rustica shouldbe placed together in the subgenus Patellastra Mon-terosato,1884. (Received 6 January 1993; accepted 23 February 1993) |
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