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Description of Parastenocaris amalasuntae n. sp. and new data on Parastenocaris proserpina and Parastenocaris pasquinii from subterranean waters of central Italy (Copepoda, Harpacticoida)

1998; Taylor & Francis; Volume: 65; Issue: 1 Linguagem: Inglês

10.1080/11250009809386732

1748-5851

Maria Cristina Bruno, Vezio Cottarelli,

Marine Biology and Ecology Research

Abstract This work concerns the description of Parastenocaris amalasuntae n. sp., the redescription of Parastenocaris proserpina, and the addition of new morphological features for Parastenocaris pasquinii. The characters have been detected using light and scanning electron microscopy. Parastenocaris amalasuntae has been collected in the interstitial psammal of Bolsena Lake (Latium), in hyporheic and groundwaters of northern Latium, and in phreatic habitats of southern Tuscany. The species belongs to the proserpina species group Lang, 1948 and shows the closest affinities with P. proserpina. This last species had previously been collected in Bolsena Lake, where nowadays it seems to have been substituted by P. amalasuntae. Updated information on the distribution and ecology of the three species is also presented and discussed.