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4 Romana Melis, Nevio Pugliese
cilicosta> Paradoxostoma caecurn, Pontocypris obtusa, Pontocythere turbi-
da, Procytherideis complicata e Xestoleberis dispar.
Le specie che caratterizzano i fondali rocciosi sono: Aglaiocypris
complanata, Cytheroma variabilis, Loxocauda decipiens, Microcythere in-
flexa, Paradoxostoma versicolor, Phlyctocythere pellucida, Pontocypris
acuminata, Propontocypris pirifera, Semicytherura paradoxa, Tenedocy-
there prava c Xestoleberis parva (tab. l ).
~ Facies di fondo p p F R
~ Campioni 1 2 8 7 6 5 4 3
~ l 2 6 8 lO 20
Batimetria in metri
Specie 3 5
Aglaiocypris complanata (BRADY & ROBERTSON, 1869) 1
Aurila convcxa (BAIRO, !850) 2 l 1 l l
Bairdia gr . B. mediterranea G. w. MUELLER, 1894 1 l 2 2 4 2
Callistocythere littoralis (G . w. HUELLER, 1894) l
Cythcrella sp . l
Cytherelloidea bcckmanni BARBEITO-CONZALEZ, 1971 l l
Cytheroma variabilis G. W. MUELLER, 1894 l
Hemicytherura gracilicosta RUGGIERI, 1953 l
Heterocythereis albomaculata (BAIRD, 1838) 3 l
Loxocauda dccipiens (G . W. MUELLER, 1894) 2
Loxoconcha bairdi G. W. MUELLER , 1912 4 3 2 l 3
Hacrocypris succinea G. W. MUELLER, 1894 l l l
Microcythcrc inflexa G. W. MUELLER, 1894 l
Paradoxostoma caecum G. W. MUELLER, 1894 1
Paradoxostoma versicolor G. W. MUELLER, 1894 l
Phlyctocythere pellucida (G . W. MUELLER, 1894) l
Pontocypris acuminata (G . W. MUELLER, 1894) 3
Pontocypris obtusa (G. W. MUELLER, 1894) l
Pontocythere turbida (G . W. MUELLER, 1894) l 4
Procytherideis complicata (RUGGIERI, 1953) 1
Propontocypris pirifera (G. W. MUELLER, 1894) 2
Sclerochilus contortus (NORHAN, 1861) 2 l
Semicytherura paradoxa (G. W. MUELLER, 1894) l
Tcnedocythere prava (BAIRD, 1850) 7
Xestoleberis communis G. W. MUELLER, 1894 l l 1
Xcstolchc ri~ dispar G. W. MUELLER, 1894 l
Xestolebcris parva G. W. MUELLER, 1894 l l
Xestoleberis pellucida G. W. HUELLER, 1894 l 5 3 1
Tabella 1 - Biocenosi ad O ti·acodi (PP = prateria a Posidonia oceanrca, FH
= fondali rocciosi).
Tra queste Loxocauda decipiens e Ph~yctocythere pe/lucida, già se-
gnalate da C. W. M"UELLE R (1984) nel Golfo di Napoli u fondali a Posi-
donia oceanica e ad altri popolamenti vegetali, sono state rinvenu te vi-
