Burrowing wasps brooding traces in back-beach dune facies calcarenites (Hanna Bay Member, Rice Bay Formation, Holocene; Hanna Bay shoreline, San Salvador Island, Bahamas) 5 : 無料・フリー素材/写真
Burrowing wasps brooding traces in back-beach dune facies calcarenites (Hanna Bay Member, Rice Bay Formation, Holocene; Hanna Bay shoreline, San Salvador Island, Bahamas) 5 / James St. John
ライセンス | クリエイティブ・コモンズ 表示 2.1 |
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説明 | Unnamed trace fossils - “cluster” burrows in back-beach dune facies aragonitic calcarenites (Hanna Bay Member, upper Rice Bay Formation, middle to upper Holocene) at Hanna Bay, northern part of eastern margin of San Salvador Island, eastern Bahamas.Trace fossils are indirect evidence of ancient life. They are structures representing the behavior of ancient organisms. Terrestrial traces are moderately common in the Quaternary limestones of San Salvador Island (& elsewhere in the Bahamas). The marine facies also have trace fossils.Cluster burrows are terrestrial trace fossils that are best seen at Hanna Bay and North Point Peninsula. They have been interpreted as brooding and/or hatching structures constructed by sphecid wasps (digger wasps) (see Curran et al., 1997 and Martin, 2006).---------------------Curran, H.A., B. White & M.A. Wilson. 1997. Guide to Bahamian Ichnology: Pleistocene, Holocene, and Modern Environments. Bahamian Field Station. San Salvador Island, Bahamas. 61 pp. Martin, A.J. 2006. Trace Fossils of San Salvador. Gerace Research Center. San Salvador Island, Bahamas. 80 pp. |
撮影日 | 2008-06-15 14:47:32 |
撮影者 | James St. John |
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