Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Stephanocare
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Damesellacea
Family:
Damesellidea
Formal Genus Name and Reference:
Stephanocare Monke, 1903
Type Species:
S. richthofeni, SD WALCOTR, 1913
Images
(Click to enlarge in a new window)
Fig. 234, 5. *S. richthofeni, Kushanian, China(Shantung), exoskel., x2 (419)."
Synonyms
Geographic Distribution
E.Asia
Age Range
Beginning Stage in Treatise Usage:
Up.M.Cam.
Beginning International Stage:
Drumian
Fraction Up In Beginning Stage:
0
Beginning Date:
504.5
Ending Stage in Treatise Usage:
Up.M.Cam.
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
0
Ending Date:
498.75
Description
Glabella nearly straight in front, with 2 pairs of lateral furrows, no preglabellar field, anterior border furrow running into preglabellar furrow, border rimlike, eye ridges obsolete, eyes posterior to center of glabella, fixigenae with palpebral areas 0.5 of glabellar width, posterior areas of medium width (exsag.), same in length (tr.) as occipital ring, librigenae with short, laterally directed genal spines. Thorax with 12 segments. Pygidium narrow semicircular, 3 axial rings and terminal, pleural fields low, narrower than axis, with 6 pleurae ending in marginal spines, 4 shallow pleural furrows, no border furrow or border. Outer surface densely granulose, pair of short median spines on axis of thoracic segments, posterior margin and anterior and lateral borders of cephalon fringed with short spines and nodes
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Damesellacea
Family:
Damesellidea
Formal Genus Name and Reference:
Stephanocare Monke, 1903
Type Species:
S. richthofeni, SD WALCOTR, 1913
Images
(Click to enlarge in a new window)
Fig. 234, 5. *S. richthofeni, Kushanian, China(Shantung), exoskel., x2 (419)."
Synonyms
Geographic Distribution
E.Asia
Age Range
Beginning Stage in Treatise Usage:
Up.M.Cam.
Beginning International Stage:
Drumian
Fraction Up In Beginning Stage:
0
Beginning Date:
504.5
Ending Stage in Treatise Usage:
Up.M.Cam.
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
0
Ending Date:
498.75
Description
Glabella nearly straight in front, with 2 pairs of lateral furrows, no preglabellar field, anterior border furrow running into preglabellar furrow, border rimlike, eye ridges obsolete, eyes posterior to center of glabella, fixigenae with palpebral areas 0.5 of glabellar width, posterior areas of medium width (exsag.), same in length (tr.) as occipital ring, librigenae with short, laterally directed genal spines. Thorax with 12 segments. Pygidium narrow semicircular, 3 axial rings and terminal, pleural fields low, narrower than axis, with 6 pleurae ending in marginal spines, 4 shallow pleural furrows, no border furrow or border. Outer surface densely granulose, pair of short median spines on axis of thoracic segments, posterior margin and anterior and lateral borders of cephalon fringed with short spines and nodes