Chitons from Deep-Water Mollusk-Rich Deposits in the Southwestern Adriatic Sea (Mollusca, Polyplacophora)
2023
Marco Taviani | Maurizio Sosso | Bruno Dell’Angelo
Sea-bottom sampling at bathyal depths off the Apulian margin (southwestern Adriatic Sea) recovered shelly biogenic sediments rich in mollusk remains. Noteworthy is the occurrence in such taphocoenoses of loose chiton valves, rarely reported in these environments. We identified four species of Polyplacophora, <i>Leptochiton asellus</i> (Gmelin, 1791), <i>Belknapchiton alveolus</i> (M. Sars MS, Lovén, 1846), <i>Hanleya hanleyi</i> (Bean in Thorpe, 1844), and the new species <i>Leptochiton antondohrni</i>. <i>L. asellus</i> (Gmelin, 1791) and <i>B. alveolus</i> are primarily of North Atlantic (boreo-celtic) affinity and thus considered to belong to last Pleistocene glacial assemblages, whose presence in the study area has long been ascertained. The same could be true for the valves of <i>H. hanleyi</i> and, possibly, <i>Leptochiton antondohrni</i> n. sp. Finally, we updated the list of mollusks found thus far in the deep-sea taphocoenoses of this area, including new records of North Atlantic-type taxa considered at present extinct in the Mediterranean basin.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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