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Stimulograptus
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Graptoloidea
Superfamily:
Neograptina
Family:
Monograptidae
Formal Genus Name and Reference:
Stimulograptus Přibyl & ŠTORCH, 1983, p. 221
Type Species:
*Graptolithus halli BARRANDE, 1850, p. 48, OD
Images
(Click to enlarge in a new window)
Fig. 300,10a-c. * S. halli (Barrande), 10a, lectotype, NMP L20322, Rastrites linnaei Biozone, Želkovice, Czech Republic (Přibyl & Štorch, 1983, pl. 2.1), 10b, proximal end, PŠ 106b, Hlásná Třebaň, Czech Republic (Přibyl & Štorch, 1983, fig. 2A), 10c, distal fragment, PŠ 108/3, Hlásná Třebaň, Czech Republic (Přibyl & Štorch, 1983, fig. 2B). Scale bars, 5 mm
Synonyms
Geographic Distribution
worldwide
Age Range
Beginning Stage in Treatise Usage:
Silurian (Aeronian, Lituigraptus convolutus Biozone)
Beginning International Stage:
Aeronian
Fraction Up In Beginning Stage:
0
Beginning Date:
440.49
Ending Stage in Treatise Usage:
Silurian, Llandovery (Telychian, Oktavites spiralis Biozone)
Ending International Stage:
Telychian
Fraction Up In Ending Stage:
0
Ending Date:
432.93
Description
Tubarium straight, dorso-ventrally curved, or dorsally curved proximally then straight distally, sicula less than 2 mm long, hooked, triangular thecae bear paired latero-ventrally directed spines, thecal overlap insignificant, distal thecae may be ventrally directed and without hook
References
Přibyl, Alois, & Petr Štorch. 1983. Monograptus (Stimulograptus) subgen. n. (Graptolites) from the Lower Silurian of Bohemia. Věstník Ústř̌edního Ústavu Geologického 58(4):221-225.
Museum or Author Information
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Graptoloidea
Superfamily:
Neograptina
Family:
Monograptidae
Formal Genus Name and Reference:
Stimulograptus Přibyl & ŠTORCH, 1983, p. 221
Type Species:
*Graptolithus halli BARRANDE, 1850, p. 48, OD
Images
(Click to enlarge in a new window)
Fig. 300,10a-c. * S. halli (Barrande), 10a, lectotype, NMP L20322, Rastrites linnaei Biozone, Želkovice, Czech Republic (Přibyl & Štorch, 1983, pl. 2.1), 10b, proximal end, PŠ 106b, Hlásná Třebaň, Czech Republic (Přibyl & Štorch, 1983, fig. 2A), 10c, distal fragment, PŠ 108/3, Hlásná Třebaň, Czech Republic (Přibyl & Štorch, 1983, fig. 2B). Scale bars, 5 mm
Synonyms
Geographic Distribution
worldwide
Age Range
Beginning Stage in Treatise Usage:
Silurian (Aeronian, Lituigraptus convolutus Biozone)
Beginning International Stage:
Aeronian
Fraction Up In Beginning Stage:
0
Beginning Date:
440.49
Ending Stage in Treatise Usage:
Silurian, Llandovery (Telychian, Oktavites spiralis Biozone)
Ending International Stage:
Telychian
Fraction Up In Ending Stage:
0
Ending Date:
432.93
Description
Tubarium straight, dorso-ventrally curved, or dorsally curved proximally then straight distally, sicula less than 2 mm long, hooked, triangular thecae bear paired latero-ventrally directed spines, thecal overlap insignificant, distal thecae may be ventrally directed and without hook
References
Přibyl, Alois, & Petr Štorch. 1983. Monograptus (Stimulograptus) subgen. n. (Graptolites) from the Lower Silurian of Bohemia. Věstník Ústř̌edního Ústavu Geologického 58(4):221-225.