Mortichnia: The Dead Ammonites Trail That Sinks Flood Geology @DrJoelDuff
Mortichnia: The Dead Ammonites Trail That Sinks Flood Geology  @DrJoelDuff
Uploaded March 2025 | Updated September 2026, 2 weeks ago
One Ammonite Drag Mark: The Death Blow to Catastrophic Flood Geology? Here I explore what we can learn from a remarkable fossil discovery that challenges young Earth creationist flood geology models. This isn't just a simple single fossils, it's a 8.5-meter (28-foot) long ammonite drag mark complete with the preserved ammonite shell at its end, found in Upper Jurassic limestone in Germany.
What Makes This Fossil Special? This fossil represents what scientists call a mortichnia - traces marking the "movement of dead things." In this case, the evidence suggests a deceased ammonite gradually lost buoyancy and was gently dragged along the seafloor by a mild current, creating distinctive parallel ridges in the soft sediment before coming to rest. The number of ridges increases along the track, indicating the ammonite was making progressively more contact with the seafloor as it lost buoyancy, until it finally settled completely.
Why This Challenges Flood Geology
The preservation of such delicate trace fossils requires extremely specific conditions:
A calm, placid environment with minimal water movement
Slow, gentle sedimentation to cover and preserve the marks
An absence of disturbance from other organisms or environmental factors
These conditions directly contradict the young Earth creationist flood geology model.

Flood Geology Failure: This is "any observation in the geological column that defies expectations of the flood geology model." The ammonite drag mark represents exactly such a failure.

Key Points Timeline:
00:00 - Introduction to flood geology failures
01:13 - Introducing the ammonite drag mark fossil
03:08 - Description of the 8.5m (28ft) drag mark discovery
06:30 - Examination of the fossil evidence in detail
09:59 - Explanation of how the drag marks formed
12:21 - Why this evidence contradicts flood geology
14:25 - Discussion of fossil preservation requirements
17:42 - Conclusion about what this single fossil tells us
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Joel Duff (aka Dr. Duff or The Natural Historian) resources:
About: joelduff.org
Blog: thenaturalhistorian.com
Twitter: twitter.com/NaturalHistoria
Facebook: https://www.facebook.com/thenaturalhi...
Photography "Portraits of Creation:" beechnutphotography.com
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Dr. Joel Duff |

Mortichnia: The Dead Ammonite's Trail That Sinks Flood Geology

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