Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Cystograptus
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Subclass:
Graptolithina
Order:
Graptoloidea
Suborder:
Axonophora
Infraorder:
Neograptina
Superfamily:
Retiolitoidea
Family:
Neodiplograptidae
Subfamily:
Neodiplograptidae - Uncertain status
Formal Genus Name and Reference:
Cystograptus HUNDT, 1942, p. 205
Type Species:
* C. speciosus, SD Jones & Rickards, 1967, p. 181-182
Images
(Click to enlarge in a new window)
Fig. 258,2a-d. * C. vesiculosus (Nicholson), 2a, holotype of C. speciosus, repository unknown, scale bar, 1 mm (Münch, 1952, pl. 10,8), 2b, holotype, original illustration, possibly NHMUK PM P. 1880 (see Benton, 1979, Strachan, 1997), magnification unknown (Nicholson, 1868c, pl. 3,11), 2c, BU 1231, typical specimen with nematularium, Dob's Linn, Scotland, UK, scale bar, 10 mm (Elles & Wood, 1907, pl. 28,8c), 2d, juvenile showing long sicula, scale bar, 1 mm (Štorch, 2015, fig. 4g), Fig. 258,2e-f. C. penna (Hopkinson, 1869), Lagarograptus acinaces Biozone, Rheidol Gorge, UK, 2e, SM A57550, proximal end, reverse view, 2f, SM A23952, proximal end, obverse view, scale bars, 1 mm (Jones & Rickards, 1967, fig. 1-2)
Synonyms
Diplograpsus
Geographic Distribution
Britain, Czech Republic, Denmark, Germany, Sweden, Kazakhstan, Canada, USA
Age Range
Beginning Stage in Treatise Usage:
Silurian (Rhuddanian, Parakidograptus acuminatus Biozone)
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
Silurian, Llandovery (Aeronian, Coronograptus cyphus Biozone)
Ending International Stage:
Aeronian
Fraction Up In Ending Stage:
100
Ending Date:
438.59
Description
Neodiplograptids with elongated sicula and long, doubly sigmoid thecae, proximal development of modified pattern H astogeny, median septum straight to slightly undulate, delayed, robust three-vaned nematularium proximally overgrown in mature colonies
References
Hundt, Rudolf. 1942. Beiträge zur Kenntnis des Mitteldeutschen Graptolithenmeeres. Beiträge zur Geologie von Thüringen 6:205-231, 7 pl .
Museum or Author Information
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Subclass:
Graptolithina
Order:
Graptoloidea
Suborder:
Axonophora
Infraorder:
Neograptina
Superfamily:
Retiolitoidea
Family:
Neodiplograptidae
Subfamily:
Neodiplograptidae - Uncertain status
Formal Genus Name and Reference:
Cystograptus HUNDT, 1942, p. 205
Type Species:
* C. speciosus, SD Jones & Rickards, 1967, p. 181-182
Images
(Click to enlarge in a new window)
Fig. 258,2a-d. * C. vesiculosus (Nicholson), 2a, holotype of C. speciosus, repository unknown, scale bar, 1 mm (Münch, 1952, pl. 10,8), 2b, holotype, original illustration, possibly NHMUK PM P. 1880 (see Benton, 1979, Strachan, 1997), magnification unknown (Nicholson, 1868c, pl. 3,11), 2c, BU 1231, typical specimen with nematularium, Dob's Linn, Scotland, UK, scale bar, 10 mm (Elles & Wood, 1907, pl. 28,8c), 2d, juvenile showing long sicula, scale bar, 1 mm (Štorch, 2015, fig. 4g), Fig. 258,2e-f. C. penna (Hopkinson, 1869), Lagarograptus acinaces Biozone, Rheidol Gorge, UK, 2e, SM A57550, proximal end, reverse view, 2f, SM A23952, proximal end, obverse view, scale bars, 1 mm (Jones & Rickards, 1967, fig. 1-2)
Synonyms
Diplograpsus
Geographic Distribution
Britain, Czech Republic, Denmark, Germany, Sweden, Kazakhstan, Canada, USA
Age Range
Beginning Stage in Treatise Usage:
Silurian (Rhuddanian, Parakidograptus acuminatus Biozone)
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
Silurian, Llandovery (Aeronian, Coronograptus cyphus Biozone)
Ending International Stage:
Aeronian
Fraction Up In Ending Stage:
100
Ending Date:
438.59
Description
Neodiplograptids with elongated sicula and long, doubly sigmoid thecae, proximal development of modified pattern H astogeny, median septum straight to slightly undulate, delayed, robust three-vaned nematularium proximally overgrown in mature colonies
References
Hundt, Rudolf. 1942. Beiträge zur Kenntnis des Mitteldeutschen Graptolithenmeeres. Beiträge zur Geologie von Thüringen 6:205-231, 7 pl .