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Phycosiphon
Classification
Phylum:
Trace Fossils and Problematica
Class:
Trace Fossils
Formal Genus Name and Reference:
Phycosiphon von FISCHER-OOSTER, 1858, p. 59
Type Species:
P. incertum; M
Images
(Click to enlarge in a new window)
Fig. 59,3. *P. incertum, 3a, U.Cret., Aus., X1 (Seilacher, 1955), 3b, Eoc., Italy, X2 (Seilacher in Häntzschel, 1962)
Synonyms
Palaeodictyon, Reticulum, Eterodictyon, Lophoctenium, Polydora
Geographic Distribution
Eu.-USA(Okla.-Alaska)
Age Range
Beginning Stage in Treatise Usage:
Ord.-Carb.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
Carb., Jur.-Tert.
Ending International Stage:
Gelasian
Fraction Up In Ending Stage:
100
Ending Date:
1.81
Description
Small U-shaped loops, frequently branched; in large numbers forming antler-shaped systems; similar to asymmetrical very small Rhizocorallium, parallel or oblique to bedding planes. [Feeding burrows; regarded by FISCHER & PAULUS (1969, p. 90) as true spreiten burrows, protrusively built.] [Various forms (L.Carb., Kulm; Ger.) have been placed in Phycosiphon by PFEIFFER (1968, p. 676).]
References
Museum or Author Information
Classification
Phylum:
Trace Fossils and Problematica
Class:
Trace Fossils
Formal Genus Name and Reference:
Phycosiphon von FISCHER-OOSTER, 1858, p. 59
Type Species:
P. incertum; M
Images
(Click to enlarge in a new window)
Fig. 59,3. *P. incertum, 3a, U.Cret., Aus., X1 (Seilacher, 1955), 3b, Eoc., Italy, X2 (Seilacher in Häntzschel, 1962)
Synonyms
Palaeodictyon, Reticulum, Eterodictyon, Lophoctenium, Polydora
Geographic Distribution
Eu.-USA(Okla.-Alaska)
Age Range
Beginning Stage in Treatise Usage:
Ord.-Carb.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
Carb., Jur.-Tert.
Ending International Stage:
Gelasian
Fraction Up In Ending Stage:
100
Ending Date:
1.81
Description
Small U-shaped loops, frequently branched; in large numbers forming antler-shaped systems; similar to asymmetrical very small Rhizocorallium, parallel or oblique to bedding planes. [Feeding burrows; regarded by FISCHER & PAULUS (1969, p. 90) as true spreiten burrows, protrusively built.] [Various forms (L.Carb., Kulm; Ger.) have been placed in Phycosiphon by PFEIFFER (1968, p. 676).]