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Appendispinograptus
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Graptoloidea
Superfamily:
Unknown
Family:
Climacograptidae
Formal Genus Name and Reference:
Appendispinograptus Li & Li, 1985, p. 36, Riva & KETNER, 1989, p. 77
Type Species:
*Climacograptus venustus HSÜ, 1959, p. 346, OD
Images
(Click to enlarge in a new window)
Fig. 239,36. A. ensiformis (Mu & Zhang in MU & others, 1963), holotype, NIGP 11749, Appendispinograptus longispinus Biozone, Xiehao Formation, East Qiqiaogou section, Chilianshan, northwest China, scale bar, 1 mm (new, redrawn from Chen & others, 2019, fig. 10,4), Fig. 239,2. *A. venustus (Hsü), holotype, No 519, Wufeng Shale, Hubei Province, China, scale bar, 1 mm (adapted from Hsü, 1959a)
Synonyms
Geographic Distribution
world-wide
Age Range
Beginning Stage in Treatise Usage:
Upper Ordovician (Katian, Dicellograptus ornatus Biozone)
Beginning International Stage:
Katian
Fraction Up In Beginning Stage:
0
Beginning Date:
452.75
Ending Stage in Treatise Usage:
Upper Ordovician (Hirnantian, Metabolograptus persculptus Biozone)
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
0
Ending Date:
443.07
Description
Septate to aseptate climacograptids with distinct torsion of the tubarium and pattern E astogeny, th 2² or later theca dicalycal in septate species, mesial spines arise from first thecal pair, secondary thecal parasicular outgrowths or webs common
References
Li, Zhiming, & Daqing Li. 1985. Appendispinograptus, a new subgenus of Climacograptus. Journal of the Wuhan College of Geology 10 (supplement):35-42. In Chinese with English summary.
Museum or Author Information
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Graptoloidea
Superfamily:
Unknown
Family:
Climacograptidae
Formal Genus Name and Reference:
Appendispinograptus Li & Li, 1985, p. 36, Riva & KETNER, 1989, p. 77
Type Species:
*Climacograptus venustus HSÜ, 1959, p. 346, OD
Images
(Click to enlarge in a new window)
Fig. 239,36. A. ensiformis (Mu & Zhang in MU & others, 1963), holotype, NIGP 11749, Appendispinograptus longispinus Biozone, Xiehao Formation, East Qiqiaogou section, Chilianshan, northwest China, scale bar, 1 mm (new, redrawn from Chen & others, 2019, fig. 10,4), Fig. 239,2. *A. venustus (Hsü), holotype, No 519, Wufeng Shale, Hubei Province, China, scale bar, 1 mm (adapted from Hsü, 1959a)
Synonyms
Geographic Distribution
world-wide
Age Range
Beginning Stage in Treatise Usage:
Upper Ordovician (Katian, Dicellograptus ornatus Biozone)
Beginning International Stage:
Katian
Fraction Up In Beginning Stage:
0
Beginning Date:
452.75
Ending Stage in Treatise Usage:
Upper Ordovician (Hirnantian, Metabolograptus persculptus Biozone)
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
0
Ending Date:
443.07
Description
Septate to aseptate climacograptids with distinct torsion of the tubarium and pattern E astogeny, th 2² or later theca dicalycal in septate species, mesial spines arise from first thecal pair, secondary thecal parasicular outgrowths or webs common
References
Li, Zhiming, & Daqing Li. 1985. Appendispinograptus, a new subgenus of Climacograptus. Journal of the Wuhan College of Geology 10 (supplement):35-42. In Chinese with English summary.