Page 2 - BALSAMO_etalii_1996
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M. BALSAMO. E. FREGNI, P. TONGIORGl

m depth, fine sand); 8. Agrigento (V.1994: 1 m depth, fine sand); 9.     coarse sand); 19. Castroreale. Milazzo (V1.1994: 2-3 m depth, very
Porto Palo, hlazara del Vallo (IX. 1989: 1-2 depth, fine sand; V. 1994:  coarse sand); 20. Spadafon, Messina (3X.1989: 2-3 m depth, medium
littoral sample, fine sand; 1-2 n1 d e p t h , fine sand); 10. Lido      sand); 21. Torre Faro, Messina (V1.1994; 1-2 m depth, coarse sand).
Signorino. ìvlarsala (V.1994: 2-3 m depth, fine sand); 11. Island of
Favignana, Egadi Islands (1X.1989: 1-2 depth, very fine sand); 12. S.      Sampling and study methods are described in Todaro e! al. (1992).
Vito lo Capo, Trapani (1X.1989: littoral sample, fine sand; 1-2 m        Grain size analysis of sediments was carried out according to Giere e1
dcpth, fine sand); 13. Trappeto, Palermo (V.1994: 2-3 m depth. fine      al. (1988) using sieves with mesh sizes of 4. 2, 1, 0.500, 0.250, 0.125
sand); 14. Spiaggia Salinelle, Cefalu (V1.1994: 2-3 m depth, niedium     2nd 0.063 mm. Parameters were calculatcd by a computer software
sand mixed with silt); 15. S. Ambrogio, Cefalu (IX.1989: 2-3 n1 depth,   programmc based on the Seward-Thoinpson & Hails (1973)
fine sand); 16. Capo d'orlando (1X.1989: 1-2 m depth, medium             equation. The total organic matter in the sediment was measured ac-
sand); 17. Mongiove, Messina (V1.1994: 2-3 m depth, n-iedium sancl);     cording to Giere e1 al. (1988).
18. Jesi, Island of Vulcano, Eolie lslands (V11.1989: 1-2 m depth.
                                                                            Morphometric pararneters, wliich are the basis of the taxonomy at
TABLIE- &lacrodas):ids jor~tzdalong Ihe coasls sampled drtritrg lhe      species level, are given for tliose species new to 1tali:in fauna, while
                                                                         for others they have only been indicated where they contrasted with
colleclirzg frips.                                                       data in the literaturc.

                         North South                East                    Since most gastrotrich species have a broad geographic
                                                                         distribution, we chose io limit our indications to that along the
DACTYLOPOLlDAE           *                                               ltalian coasts.

Daclylopodol~r                                                              Photographic negatives of liolotypcs and paratypes Ire deposited
   D. typhle                                                             :]t the ivluseo Civico di Storia Naturale of Verona (ltaly).

LEPIDODASYIDAE                                                           Abbrevialions

,~lesodasys                                                                 TL, total Iength; PhL, pharyns Icngth; FiiL, furca Iength
   M. adenofubrrlrrlus
                                                                         TABL1E1 - Cbaefonolid~forrnd ulong rhe coasls samplecl during Ihe
MACRODASYIDAE
                                                                         collecling lrips.
~Macrodrrsys
                                                                         Chaetonotida                   North Soiith East
  IM cartdafus
THAUMASTODERMAT~DAE                                                      CHAETONOTIDAE

Acarzlhodasys                                                            Aspidiopborrrs
   A actrleafus                                                             A. mediferranerts
                                                                            A. paranredilerranezrs
Drplodasys
   D ankeli                                                              Chaefonolrrs
                                                                            Euchaelonolus
Psettcioslonzella                                                           C. (E.) apechochaetus
   P. elrusca                                                               C. (E.) apolemmtts
                                                                            C. (E.) siciliensis
Pfychoslomella                                                              tIyslricochaetorrot~s
   L? medilerranea
   l? Iyrrhenica                                                            C. (ff.) Iac~tnosrrs
                                                                            C. ( H . ) variosquamalrrs
Telranchj~roderma
   T anornalopsum                                                           Schizochaetonolus
   7: heleroluhrrlalum                                                      C (S.) clispar
   T hypopsilancrum
                                                                            C. (S.) luporirrii n. sp.
   T papii
   T pol~~proboloslomum                                                  Hulichaelonofzrs
   T. sardum                                                                lf. aculifer
    T. ~ar'yrnesalherum                                                     H. paradoxus
    T. lh~)aanophorum                                                       H. spinosus
    T. sp.                                                                  H . fhalassopais

 Thaunzasloderma                                                            H. loricalrrm
   T. mediferraneum                                                      XENOTRICHULIDAE
    T. ranzuliferurn                                                     He!eroxerzo!ricbulu

TURBANELLIDAE                                                               t1 squamosa
                                                                         Xenolrrchula
Parafurbanella
    l? dohrni                                                               X . irzlerrnesliu
    P pallida
    P. leissieri

 Trirbanella
    T. anzbronensis
    T. cornula
    T. Ihiopbila

Total 25                 14 12                      13                   Total 16                       12 8                  7

0 ,species found in 1989; , species found in 1994.                       0, species found in 1989; *, species found in 1994.
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