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Fucusopsis
Classification
Phylum:
Trace Fossils and Problematica
Class:
Trace Fossils
Formal Genus Name and Reference:
Fucusopsis Palibin in VASSOEVICH, 1932, p. 51
Type Species:
*F. angulatus, M
Images
(Click to enlarge in a new window)
Fig. 37,5. *F. angulatus, U. Cret.(Senon.), USSR, ×0.3 (Gekker, in Häntzschel, 1962)
Synonyms
Trichophycus, Fucopsis, ?Gyrochorda
Geographic Distribution
U.Ord.(Cincinnat.), USA(Ohio), Cret.-L.Tert., Eu.(Switz.-Spain-Pol.-Italy-?Aus.-USSR), ?Tert., S.Am.(Venez.) [Found in flysch deposits.]
Age Range
Beginning Stage in Treatise Usage:
U.Ord., Cret.(Cincinnat.)
Beginning International Stage:
Katian
Fraction Up In Beginning Stage:
47.1
Beginning Date:
449.2
Ending Stage in Treatise Usage:
L.Tert., ?Tert.
Ending International Stage:
Chattian
Fraction Up In Ending Stage:
100
Ending Date:
23.04
Description
Stretched tubiform burrows (2-10 mm in diameter), long, straight, sometimes branching, crossing over and interpenetrating; with typical threadlike sculpture, regarded as produced by burrowing activity; interpreted by OSGOOD (1970, p. 380) as "tension faulting" in sole of host rock; appearance depending on kind of preservation. [Originally regarded as marine alga or inorganic; now interpreted as burrows of infaunal origin.] [Found in flysch deposits.]
References
Museum or Author Information
Classification
Phylum:
Trace Fossils and Problematica
Class:
Trace Fossils
Formal Genus Name and Reference:
Fucusopsis Palibin in VASSOEVICH, 1932, p. 51
Type Species:
*F. angulatus, M
Images
(Click to enlarge in a new window)
Fig. 37,5. *F. angulatus, U. Cret.(Senon.), USSR, ×0.3 (Gekker, in Häntzschel, 1962)
Synonyms
Trichophycus, Fucopsis, ?Gyrochorda
Geographic Distribution
U.Ord.(Cincinnat.), USA(Ohio), Cret.-L.Tert., Eu.(Switz.-Spain-Pol.-Italy-?Aus.-USSR), ?Tert., S.Am.(Venez.) [Found in flysch deposits.]
Age Range
Beginning Stage in Treatise Usage:
U.Ord., Cret.(Cincinnat.)
Beginning International Stage:
Katian
Fraction Up In Beginning Stage:
47.1
Beginning Date:
449.2
Ending Stage in Treatise Usage:
L.Tert., ?Tert.
Ending International Stage:
Chattian
Fraction Up In Ending Stage:
100
Ending Date:
23.04
Description
Stretched tubiform burrows (2-10 mm in diameter), long, straight, sometimes branching, crossing over and interpenetrating; with typical threadlike sculpture, regarded as produced by burrowing activity; interpreted by OSGOOD (1970, p. 380) as "tension faulting" in sole of host rock; appearance depending on kind of preservation. [Originally regarded as marine alga or inorganic; now interpreted as burrows of infaunal origin.] [Found in flysch deposits.]