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Lebensspuren photographed on the ocean floor
Ewing, M.; Davis, R.A. (1967). Lebensspuren photographed on the ocean floor, in: Hersey, J.B. (Ed.) Deep-sea photography. pp. 259-294
In: Hersey, J.B. (Ed.) (1967). Deep-sea photography. The John Hopkins Oceanographic Studies, 3. The John Hopkins Press: Baltimore. 310 pp., more
In: The John Hopkins Oceanographic Studies. ISSN 0271-2229, more

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  • Ewing, M.
  • Davis, R.A.

    Photographs of the ocean bottom are an important source of information as to the identity of organisms responsible for the various lebensspuren. Photography also provides a tool for establishing the actual worldwide distribution of these lebensspuren. However, the establishment of the organic origin of features shown in sea-floor photographs and the study of such organic features are complicated by the inability of the camera to see into the third spatial dimension and to record the changes brought about through the passage of time. Although the bases for their zoological classification are at present unclear, the photographed lebensspuren can be assigned to a number of purely morphologic groups, and these groups can be so arranged as to demonstrate at least geometric similarities.

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