Environmental Engineering Reference
In-Depth Information
Orientation
Subvertical
Burrows
Branching
Unbranched
Conical,
club-shaped
Plug-
shaped
U- and bow-
shaped
J-shaped,
fan-shaped
Spherical,
hemispherical
Ovoid,
fusiform
Shape
Cylindrical
Helicoidal
Fill
Caletichnus
Chomatichnus
Ichnospongeliella
Monticulichnus
Scalichnus
Siphonichnus
Tasselia
Amanitichnus
V
Communichnus
*Cylindricum
*
Digitichnus
Funalichnus
*
Lunulichnus
Macanopsis
Metaichna
*
Neoskolithos
*
Pilichnia
Pustulichnus
*
Spirographites
Trusheimichnus
Astropolichnus
Bergaueria
Cardioichnus
Cheiichnus
Conostichus
Lockeia
Osculichnus
Pentichnus
V
Piscichnus
Pseudobilobites
Solanichnium
Solicyclus
Ichnotaxa in red font may be branched or unbranched
Underlined ichnotaxa include ornamented ichnospecies
*Taxonomic status unclear
V
Vertebrate burrow
FIGURE 2
—Cont'd. (C) Subvertical, unbranched burrows.
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