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Megagrapton
Classification
Phylum:
Trace Fossils and Problematica
Class:
Trace Fossils
Formal Genus Name and Reference:
Megagrapton KSIĄŻKIEWICZ, 1968, p. 5, 14
Type Species:
*M. irregulare, OD
Images
(Click to enlarge in a new window)
Fig. 50,3. *M. irregulare, 3a, L.Tert.(Eoc., flysch), Pol., X0.43 (Książkiewicz, 1961), 3b, low.Eoc.(Beloveza Beds), Pol., X0.5 (Książkiewicz, M, 1970, p. 307, in: Trace Fossils edited by T. P. Crimes & J. C. Harper, Geol. Jour. Spec. Issue 3, Seel House Press, Liverpool)
Synonyms
Megagrapton
Geographic Distribution
L.Cret., Japan-Eu.(Pol.), L.Tert.(low.Eoc.), Eu.(Pol.)
Age Range
Beginning Stage in Treatise Usage:
L.Cret., L.Tert.(low.Eoc.)
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
L.Cret., L.Tert.(low.Eoc.)
Ending International Stage:
Ypresian
Fraction Up In Ending Stage:
100
Ending Date:
48.07
Description
Networks consisting of irregular polygons and rectangles which are never closed, formed by slightly curved or straight cylindrical strings, 1 to 5 mm wide, rather regular intervals of branching at nearly right angles, possibly transitional to Squamodictyon Vyalov & Golev, 1960. [Evidently of postdepositional origin.]
References
Museum or Author Information
Classification
Phylum:
Trace Fossils and Problematica
Class:
Trace Fossils
Formal Genus Name and Reference:
Megagrapton KSIĄŻKIEWICZ, 1968, p. 5, 14
Type Species:
*M. irregulare, OD
Images
(Click to enlarge in a new window)
Fig. 50,3. *M. irregulare, 3a, L.Tert.(Eoc., flysch), Pol., X0.43 (Książkiewicz, 1961), 3b, low.Eoc.(Beloveza Beds), Pol., X0.5 (Książkiewicz, M, 1970, p. 307, in: Trace Fossils edited by T. P. Crimes & J. C. Harper, Geol. Jour. Spec. Issue 3, Seel House Press, Liverpool)
Synonyms
Megagrapton
Geographic Distribution
L.Cret., Japan-Eu.(Pol.), L.Tert.(low.Eoc.), Eu.(Pol.)
Age Range
Beginning Stage in Treatise Usage:
L.Cret., L.Tert.(low.Eoc.)
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
L.Cret., L.Tert.(low.Eoc.)
Ending International Stage:
Ypresian
Fraction Up In Ending Stage:
100
Ending Date:
48.07
Description
Networks consisting of irregular polygons and rectangles which are never closed, formed by slightly curved or straight cylindrical strings, 1 to 5 mm wide, rather regular intervals of branching at nearly right angles, possibly transitional to Squamodictyon Vyalov & Golev, 1960. [Evidently of postdepositional origin.]