Environmental Engineering Reference
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FIGURE 1
Pie diagrams summarizing the relative proportion of trace-fossil types in some
trace-fossil assemblages representative of contrasting ichnofacies (see also
Table 2
). AI, average
ichnodiversity of individual assemblages;
n
, number of trace-fossil assemblages. (A)
Scoyenia
Ichnofacies. (B)
Coprinisphaera
Ichnofacies. (C)
Celliforma
Ichnofacies. (D)
Termitichnus
Ichno-
facies. (E)
Mermia
Ichnofacies. (F)
Skolithos
Ichnofacies. (G)
Grallator
Ichnofacies. (H)
Batrach-
ichnus
Ichnofacies. In the
Scoyenia
Ichnofacies, QT (quadrupedal trackways) includes the following
trace-fossil types: chirotheriid tracks, sauropod tracks, Q 5/5 sl, Q 3/3 high pa, and Q triangular 4/4.
In the
Grallator
Ichnofacies, QT: Q 4/3, Q 4/5, Q 2/2, Q 3/3 st (see
Table 1
).
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