Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Gravicalymene
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Phacopida
Superfamily:
Proetacea
Family:
Calymenidae
Formal Genus Name and Reference:
Gravicalymene SHIRLEY, 1936
Type Species:
G. convolva
Images
(Click to enlarge in a new window)
Fig. 353, 3. *G. convolva, U.Ord., Wales, 3a, b, ceph., outline of middle portion, sagittal profile, x1, x1.75 (275*)
Synonyms
Geographic Distribution
Wales, SE.Asia, Austral, N.Z.
Age Range
Beginning Stage in Treatise Usage:
U.Ord.
Beginning International Stage:
Sandbian
Fraction Up In Beginning Stage:
0
Beginning Date:
458.18
Ending Stage in Treatise Usage:
L. Dev.
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
"Glabella with 3 pairs of lobes, none papillate, deep preglabellar furrow with the anterior edge merging into a thick (sag.) rolled anterior border."
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Phacopida
Superfamily:
Proetacea
Family:
Calymenidae
Formal Genus Name and Reference:
Gravicalymene SHIRLEY, 1936
Type Species:
G. convolva
Images
(Click to enlarge in a new window)
Fig. 353, 3. *G. convolva, U.Ord., Wales, 3a, b, ceph., outline of middle portion, sagittal profile, x1, x1.75 (275*)
Synonyms
Geographic Distribution
Wales, SE.Asia, Austral, N.Z.
Age Range
Beginning Stage in Treatise Usage:
U.Ord.
Beginning International Stage:
Sandbian
Fraction Up In Beginning Stage:
0
Beginning Date:
458.18
Ending Stage in Treatise Usage:
L. Dev.
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
"Glabella with 3 pairs of lobes, none papillate, deep preglabellar furrow with the anterior edge merging into a thick (sag.) rolled anterior border."