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Dictyonema
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Dendroidea
Superfamily:
Unknown
Family:
Callograptidae
Formal Genus Name and Reference:
Dictyonema HALL, 1851, p. 401
Type Species:
*Gorgonia? retiformis Hall, 1843, p. 115, SD MILLER, 1889, p. 185
Images
(Click to enlarge in a new window)
Fig. 151,4a-b. * D. retiformis (Hall), 4a, holotype, AMNH 1671, scale bar, 10 mm (Hall, 1865, fig. 10), 46, NYSM 7112, detail of stipe fragment showing complex thecal overlap and bridge development, scale bar, 1 mm (Ruedemann, 1908, fig. 64).-Fig. 151,4c. D. graptolithorum PоС̌тA, 1894, fragment with complex stipes, scale bar, 1 mm (Bouček, 1957, fig. 27b).
Synonyms
Dictyograptus
Geographic Distribution
worldwide
Age Range
Beginning Stage in Treatise Usage:
Cambrian (Miaolingian)
Beginning International Stage:
Wuliuan
Fraction Up In Beginning Stage:
0
Beginning Date:
509
Ending Stage in Treatise Usage:
Carboniferous
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
0
Ending Date:
298.89
Description
Tubarium conical to fan-shaped, conical tubaria varying from almost cylindrical to almost discoidal, stipes straight, subparallel to parallel, branching dichotomously, stipes united by regularly or irregularly produced thecal bridges formed from single or multiple thecal tubes, stipes compound, formed from complexly overlapping slender, tubular thecae, thecal apertures isolate, openings oriented ventrally, sicular and proximal development unknown
References
Hall, James. 1851. New genera of fossil corals from the report by James Hall, on the palaeontology of New York. The American Journal of Science and Arts (series 2) 11:398-401.
Museum or Author Information
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Dendroidea
Superfamily:
Unknown
Family:
Callograptidae
Formal Genus Name and Reference:
Dictyonema HALL, 1851, p. 401
Type Species:
*Gorgonia? retiformis Hall, 1843, p. 115, SD MILLER, 1889, p. 185
Images
(Click to enlarge in a new window)
Fig. 151,4a-b. * D. retiformis (Hall), 4a, holotype, AMNH 1671, scale bar, 10 mm (Hall, 1865, fig. 10), 46, NYSM 7112, detail of stipe fragment showing complex thecal overlap and bridge development, scale bar, 1 mm (Ruedemann, 1908, fig. 64).-Fig. 151,4c. D. graptolithorum PоС̌тA, 1894, fragment with complex stipes, scale bar, 1 mm (Bouček, 1957, fig. 27b).
Synonyms
Dictyograptus
Geographic Distribution
worldwide
Age Range
Beginning Stage in Treatise Usage:
Cambrian (Miaolingian)
Beginning International Stage:
Wuliuan
Fraction Up In Beginning Stage:
0
Beginning Date:
509
Ending Stage in Treatise Usage:
Carboniferous
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
0
Ending Date:
298.89
Description
Tubarium conical to fan-shaped, conical tubaria varying from almost cylindrical to almost discoidal, stipes straight, subparallel to parallel, branching dichotomously, stipes united by regularly or irregularly produced thecal bridges formed from single or multiple thecal tubes, stipes compound, formed from complexly overlapping slender, tubular thecae, thecal apertures isolate, openings oriented ventrally, sicular and proximal development unknown
References
Hall, James. 1851. New genera of fossil corals from the report by James Hall, on the palaeontology of New York. The American Journal of Science and Arts (series 2) 11:398-401.