Welcome to the Trilobite subsite on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Glabrella
Classification
Phylum:
Arthropoda
Class:
Trilobita
Order:
Agnostida
Superfamily:
Eodiscoidea
Family:
Genera previously assigned to Eodiscoidea; but here considered Doubtful or Excluded
Formal Genus Name and Reference:
Glabrella LERMONTOVA, 1940, p. 120
Type Species:
G. ventrosa, OD, syntypes (LERMONTOVA, 1940, pl. 35, fig. 9, 9a-d), 64, 74, 77, TsGM, St. Petersburg
Images
(Click to enlarge in a new window)
Synonyms
Geographic Distribution
Russia (Tian-Shan, southern Fergama)
Age Range
Beginning Stage in Treatise Usage:
Middle Cambrian (Amgaian)
Beginning International Stage:
Cambrian Stage 4
Fraction Up In Beginning Stage:
40
Beginning Date:
512.3
Ending Stage in Treatise Usage:
Middle Cambrian (Amgaian)
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
25
Ending Date:
499.63
Description
Probably belongs to Kingstoniidae or Corynexochida. Middle Cambrian (Amgaian): Russia (Tian-Shan, southern Fergama).
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Class:
Trilobita
Order:
Agnostida
Superfamily:
Eodiscoidea
Family:
Genera previously assigned to Eodiscoidea; but here considered Doubtful or Excluded
Formal Genus Name and Reference:
Glabrella LERMONTOVA, 1940, p. 120
Type Species:
G. ventrosa, OD, syntypes (LERMONTOVA, 1940, pl. 35, fig. 9, 9a-d), 64, 74, 77, TsGM, St. Petersburg
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
Russia (Tian-Shan, southern Fergama)
Age Range
Beginning Stage in Treatise Usage:
Middle Cambrian (Amgaian)
Beginning International Stage:
Cambrian Stage 4
Fraction Up In Beginning Stage:
40
Beginning Date:
512.3
Ending Stage in Treatise Usage:
Middle Cambrian (Amgaian)
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
25
Ending Date:
499.63
Description
Probably belongs to Kingstoniidae or Corynexochida. Middle Cambrian (Amgaian): Russia (Tian-Shan, southern Fergama).