Journal
FACIES
Volume 53, Issue 1, Pages 43-55Publisher
SPRINGER
DOI: 10.1007/s10347-006-0091-z
Keywords
bioerosion; paleo-bathymetry; key-ichno taxa; microendolith; Eilat; Red Sea; Shallow Euphotic Zone
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This study examines microendolithic community patterns in experimental carbonate blocks in shallow waters between 0 m and 30 m adjacent to Eilat, Israel. We set up two different habitats per depth: one in full light and one shaded. After 6 months of exposure we observed 23 species of which five are unknown to science and herein described as forms. Differences in community patterns between open and shaded habitats were clearly visible at 0 m, indistinct between 6 m and 15 m and indiscernible at 30 m. Three modern producers of key ichnotaxa were confirmed in our experiments within their paleobathymetrical range: Hyella balani (Fascichnus acinosus), Conchocelis (Palaeoconchocelis starmachii), and Ostreobium quekettii (Ichnoreticulina elegans). For Fascichnus dactylus we found six possible producers. We dismiss Scolecia filosa, Eurygonum nodosum and Rhopalia catenata as potential key ichnotaxa because of the broad bathymetrical range of their producers.
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