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Paraglossograptus
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Graptoloidea
Superfamily:
Unknown
Family:
Glossograptidae
Formal Genus Name and Reference:
Paraglossograptus Mu in Mu & OTHERS, 1962, p. 97
Type Species:
*P. typicalis, OD
Images
(Click to enlarge in a new window)
Fig. 220,3a. *P. typicalis, holotype, NIGP 10635, scale bar, 5 mm (Mu & Lee, 1960, fig. 127), Fig. 220,36. P. tentaculatus (Hall, 1865), GSC 138686, isolated, flattened specimen, Cow Head Group, western Newfoundland, Canada, scale bar, 1 mm (new), Fig. 220,3c. P. proteus (Harris & Thomas, 1935) GSC 23949, Daniels Harbour, western Newfoundland, Canada, scale bar, 1 mm (adapted from Whittington & Rickards, 1969, fig. 7)
Synonyms
Geographic Distribution
Australia, New Zealand, China, Norway, USA, Canada, Argentina
Age Range
Beginning Stage in Treatise Usage:
Middle Ordovician (Darriwilian, Levisograptus austrodentatus Biozone)
Beginning International Stage:
Darriwilian
Fraction Up In Beginning Stage:
0
Beginning Date:
469.42
Ending Stage in Treatise Usage:
Middle Ordovician (Darriwilian, Pterograptus elegans Biozone)
Ending International Stage:
Darriwilian
Fraction Up In Ending Stage:
0
Ending Date:
458.18
Description
Monopleural, scandent glossograptid with conspicuous development of simple lacinia with ladderlike structure, lacinia only present in the proximal part in certain species
References
Museum or Author Information
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Graptoloidea
Superfamily:
Unknown
Family:
Glossograptidae
Formal Genus Name and Reference:
Paraglossograptus Mu in Mu & OTHERS, 1962, p. 97
Type Species:
*P. typicalis, OD
Images
(Click to enlarge in a new window)
Fig. 220,3a. *P. typicalis, holotype, NIGP 10635, scale bar, 5 mm (Mu & Lee, 1960, fig. 127), Fig. 220,36. P. tentaculatus (Hall, 1865), GSC 138686, isolated, flattened specimen, Cow Head Group, western Newfoundland, Canada, scale bar, 1 mm (new), Fig. 220,3c. P. proteus (Harris & Thomas, 1935) GSC 23949, Daniels Harbour, western Newfoundland, Canada, scale bar, 1 mm (adapted from Whittington & Rickards, 1969, fig. 7)
Synonyms
Geographic Distribution
Australia, New Zealand, China, Norway, USA, Canada, Argentina
Age Range
Beginning Stage in Treatise Usage:
Middle Ordovician (Darriwilian, Levisograptus austrodentatus Biozone)
Beginning International Stage:
Darriwilian
Fraction Up In Beginning Stage:
0
Beginning Date:
469.42
Ending Stage in Treatise Usage:
Middle Ordovician (Darriwilian, Pterograptus elegans Biozone)
Ending International Stage:
Darriwilian
Fraction Up In Ending Stage:
0
Ending Date:
458.18
Description
Monopleural, scandent glossograptid with conspicuous development of simple lacinia with ladderlike structure, lacinia only present in the proximal part in certain species