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Aeolisaccus
Classification
Phylum:
Trace Fossils and Problematica
Class:
Microproblematica
Formal Genus Name and Reference:
Aeolisaccus ELLIOTT, 1958, p. 422
Type Species:
*A. dunningtoni, OD
Images
(Click to enlarge in a new window)
Fig. 94,5. *A. dunningtoni. U.Perm., Arabia, 5a, approx. long. sec. of irregular elongate tube, 5b, sec. showing numerous individuals, both ×50 (Elliott, 1958)
Synonyms
Geographic Distribution
Perm., SW. Asia(S.Turkey-Arabia), U. Trias.-M.Jur., SW.Asia(N.Iraq), U.Jur.(Kimmeridg.-Portland.), L.Cret.(Alb.)-U.Cret.(Maastricht.), Eu.(Yugosl.)
Age Range
Beginning Stage in Treatise Usage:
U.Perm., U.Trias.
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
U.Cret.(Maastricht.)
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Small thin-walled tubes, slightly irregular or somewhat curved, hollow, gently tapering, probably open at both ends, maximum length 1.7 mm, diameter commonly 1.0 mm; walls consisting of crystalline calcite, with septate or camerate structure(?). [Probably pelagic organism; doubtfully interpreted as shells of small extinct pteropods; compared with the calcareous alga Tubulites BEIN, 1932 (U.Perm., Ger.), by HECHT, 1960.]
References
Museum or Author Information
Classification
Phylum:
Trace Fossils and Problematica
Class:
Microproblematica
Formal Genus Name and Reference:
Aeolisaccus ELLIOTT, 1958, p. 422
Type Species:
*A. dunningtoni, OD
Images
(Click to enlarge in a new window)
Fig. 94,5. *A. dunningtoni. U.Perm., Arabia, 5a, approx. long. sec. of irregular elongate tube, 5b, sec. showing numerous individuals, both ×50 (Elliott, 1958)
Synonyms
Geographic Distribution
Perm., SW. Asia(S.Turkey-Arabia), U. Trias.-M.Jur., SW.Asia(N.Iraq), U.Jur.(Kimmeridg.-Portland.), L.Cret.(Alb.)-U.Cret.(Maastricht.), Eu.(Yugosl.)
Age Range
Beginning Stage in Treatise Usage:
U.Perm., U.Trias.
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
U.Cret.(Maastricht.)
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Small thin-walled tubes, slightly irregular or somewhat curved, hollow, gently tapering, probably open at both ends, maximum length 1.7 mm, diameter commonly 1.0 mm; walls consisting of crystalline calcite, with septate or camerate structure(?). [Probably pelagic organism; doubtfully interpreted as shells of small extinct pteropods; compared with the calcareous alga Tubulites BEIN, 1932 (U.Perm., Ger.), by HECHT, 1960.]