Environmental Engineering Reference
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FIGURE 3
Trace-fossil suites attributable to the
Cruziana
Ichnofacies. (A) Sandy mudstones
(BI
¼
4) with a suite consisting of
Chondrites
(
Ch
),
Phycosiphon
(
Ph
),
Rosselia
(
R
),
Cosmorhaphe
(
Cr
), and
Planolites
(
P
). (B) Bioturbated silty to sandy mudstones (BI
5) showing a suite consist-
ing of
Planolites
(
P
),
Phycosiphon
(
Ph
),
Diplocraterion habichi
(
Dh
),
Chondrites
(
Ch
),
Asterosoma
(
As
),
Palaeophycus
(
Pa
), and
Teichichnus
(
Te
). (C) Bioturbated sandy mudstone (BI
¼
5) with a
suite consisting of
Arenicolites
(
Ar
),
Planolites
(
P
),
Asterosoma
(
As
),
Rhizocorallium
(
Rh
),
Palaeo-
phycus tubularis
(
Pt
),
Phycosiphon
(
Ph
),
Rosselia
(
R
),
Skolithos
(
Sk
), and
Teichichnus
(
Te
).
¼
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