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Abundance and distribution of Lithophaga (Mytilidae) in extant and fossil oysters: taphonomic and paleobiological implications Ameghiniana
Mauna,Cecilia; Casadío,Silvio; Parras,Ana; Pascual,Marcela.
In this study we analyze the abundance and distribution patterns of Lithophaga patagonica in valves of Ostrea puelchana and compare them to those of Lithophaga sp. observed on the fossil species " Ostrea " patagonica and " Ostrea " alvarezii from the late Miocene Puerto Madryn Formation. No specimen of the fossil oysters showed borings of Lithophaga sp. on the interior surface of the valves. This suggests that they were produced while the oysters were still living and, at the same time, that the oyster beds were buried rapidly after death. In Ostrea puelchana the boring abundance was significantly higher for the left valve and, within it, the areas more heavily bored were the umbones and the platform. The same results were obtained for valves of " Ostrea "...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lithophaga; Bioerosion; Oysters; Taphonomy; Miocene; Argentina.
Ano: 2005 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0002-70142005000200010
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