2010
DOI: 10.2110/palo.2009.p09-109r
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Early Taphonomy and Significance of Naturally Submerged Nautilus Shells From the New Caledonia Region

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Cited by 29 publications
(44 citation statements)
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“…In view of the stratigraphic range of the associated amonites in phosphate preservation (see above), these cycles may represent an extended time interval from early to middle Cenomanian. On the other hand, it should be noted that similar taphonomic alterations including epizoan encrustation, shell damage, traces of boring organisms and sediment filling of the phragmocones have been observed in varying degrees in modern Nautilus shells from New Cale-donia with resting times on the sea-floor of only between 14-42 years (Mapes et al 2010).…”
Section: Taphonomymentioning
confidence: 92%
“…In view of the stratigraphic range of the associated amonites in phosphate preservation (see above), these cycles may represent an extended time interval from early to middle Cenomanian. On the other hand, it should be noted that similar taphonomic alterations including epizoan encrustation, shell damage, traces of boring organisms and sediment filling of the phragmocones have been observed in varying degrees in modern Nautilus shells from New Cale-donia with resting times on the sea-floor of only between 14-42 years (Mapes et al 2010).…”
Section: Taphonomymentioning
confidence: 92%
“…Analysis of specific taphonomic variables can be highly useful in delineating both the taphonomic path of an individual fossil (Meldahl and Flessa, 1990) and the characteristics of the environment in which it was deposited (Brett and Baird, 1986), in many cases providing information that is not available from sedimentological, faunal, or ecological datasets alone (e.g., Meldahl and Flessa, 1990;Zuschin et al, 1999;Tomašových, 2004a;Mancuso and Marsicano, 2008;Aguirre et al, 2011). Studies of the fossil record have focused on attributes such as fragmentation, corrasion, disarticulation, reorientation, and the presence and type of borings or encrusting organisms, while actualistic studies have incorporated additional taphonomic variables that are typically more accessible in the subfossil record, such as shell color and sheen (Powell et al, 2002;Lazo, 2004;Best, 2008;Mapes et al, 2010;Rodrigues and Simõ es, 2010).…”
Section: Introductionmentioning
confidence: 99%
“…La concha del género Aturia se caracteriza por tener el sifúnculo en posición dorsal y cuellos septales muy largos (Ward, 1980;Dzik, 1984) lo que permite una eficiente capacidad de desacople del líquido de las cámaras (Ward, 1980) y por ello tiene el mayor potencial de flotabilidad y de deriva post morten en comparación con la concha de los nautiloideos (Chirat, 2000); en el caso del género Nautilus la flotabilidad post morten puede ser positiva o negativa (Mapes et al, 2010), si es positiva, se sabe que la concha de Nautilus puede derivar por días o meses (House, 1987), distancias de varias decenas, cientos e incluso superar los 1000 kilómetros fuera del área en que habitan antes de depositarse (Saunders y Spinosa, 1979). Ello, en principio, explicaría la amplia distribución paleogeográfica de la especie Aturia cubaensis (Lea, 1841); de hecho, Chirat (2000) cree que América Central y las regiones adyacentes, fue la región donde Aturia cubaensis (Lea, 1841) habitó y que las conchas derivaron fácilmente desde esta zona, atravesando el Atlántico hasta el Mediterráneo y el Pacífico hasta Japón y Pacífico Sur, alcanzado el sur de América del Sur.…”
Section: Discussionunclassified