Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Kiaerograptus
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Graptoloidea
Superfamily:
Unknown
Family:
Anisograptidae
Formal Genus Name and Reference:
Kiaerograptus SPJELDNAES, 1963, p. 123
Type Species:
*Didymograptus kiaeri MONSEN, 1925, p. 172, OD
Images
(Click to enlarge in a new window)
Fig. 164,2a-b. * K. kiaeri (Monsen), 2a, lectotype, PMO 60212a, scale bar, 1 mm (Monsen, 1925, pl. 2,10, Spjeldnaes, 1963, pl. 17,5), 2b, PMO 72833, fragment with bithecae, scale bar, 1 mm (Spjeldnaes, 1963, pl. 2,1), Fig. 164,2c. K. lauzonensis (Erdtmann, 1966), GSC 122714, showing distal branching, scale bar, 1 mm (Maletz \& Egenhoff, 2001, fig. 4a)
Synonyms
Geographic Distribution
Algeria, China, Norway, Sweden, Canada, Argentina
Age Range
Beginning Stage in Treatise Usage:
Lower Ordovician (upper Tremadocian, Aorograptus victoriae Biozone)
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
481.96
Ending Stage in Treatise Usage:
Lower Ordovician (upper Tremadocian, Aorograptus victoriae Biozone)
Ending International Stage:
Tremadocian
Fraction Up In Ending Stage:
0
Ending Date:
477.08
Description
Horizontal to declined, multiramous to two-stiped, robust anisograptid, relatively long bithecae present, but typically irregularly placed, apertural part of sicula freely pendent, thecal apertures, at least in proximal parts, commonly isolated
References
Spjeldnaes, Nils. 1963. Some Upper Tremadocian graptolites from Norway. Palaeontology 6(1):121-131.
Museum or Author Information
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Graptoloidea
Superfamily:
Unknown
Family:
Anisograptidae
Formal Genus Name and Reference:
Kiaerograptus SPJELDNAES, 1963, p. 123
Type Species:
*Didymograptus kiaeri MONSEN, 1925, p. 172, OD
Images
(Click to enlarge in a new window)
Fig. 164,2a-b. * K. kiaeri (Monsen), 2a, lectotype, PMO 60212a, scale bar, 1 mm (Monsen, 1925, pl. 2,10, Spjeldnaes, 1963, pl. 17,5), 2b, PMO 72833, fragment with bithecae, scale bar, 1 mm (Spjeldnaes, 1963, pl. 2,1), Fig. 164,2c. K. lauzonensis (Erdtmann, 1966), GSC 122714, showing distal branching, scale bar, 1 mm (Maletz \& Egenhoff, 2001, fig. 4a)
Synonyms
Geographic Distribution
Algeria, China, Norway, Sweden, Canada, Argentina
Age Range
Beginning Stage in Treatise Usage:
Lower Ordovician (upper Tremadocian, Aorograptus victoriae Biozone)
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
481.96
Ending Stage in Treatise Usage:
Lower Ordovician (upper Tremadocian, Aorograptus victoriae Biozone)
Ending International Stage:
Tremadocian
Fraction Up In Ending Stage:
0
Ending Date:
477.08
Description
Horizontal to declined, multiramous to two-stiped, robust anisograptid, relatively long bithecae present, but typically irregularly placed, apertural part of sicula freely pendent, thecal apertures, at least in proximal parts, commonly isolated
References
Spjeldnaes, Nils. 1963. Some Upper Tremadocian graptolites from Norway. Palaeontology 6(1):121-131.