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Carolinites

Classification

    Phylum:  
Unknown
    Class:  
Trilobata
    Order:  
Ptychopariida
    Superfamily:  
Komaspidacea
    Family:  
Komaspididea
    Formal Genus Name and Reference:  
Carolinites KOBAYASHI, 1940
    Type Species:  
C. bulbosa


Images

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Fossil Image
Fig. 218, 7. C. genacinaca Ross, Utah; 7a-c, cran., dorsal, front, profile, X 10; 7d, librigena, X6; 7e-g, pyg., dorsal, back, profile, X 10 (258).


Synonyms



Geographic Distribution

N.Am.-Arg.-Ire.-Austral.-Tasm.


Age Range

    Beginning Stage in Treatise Usage:  
Up.L.Ord.
    Beginning International Stage:  
Katian
    Fraction Up In Beginning Stage:  
66.7
    Beginning Date:  
447.72
    Ending Stage in Treatise Usage:  
Up.L.Ord.
    Ending International Stage:  
Hirnantian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
443.07


Description

Glabella convex, subquadrate, expanding to slightly bulbous front, without lateral furrows, axial furrows deep, with posterior sinuous inbend, no preglabellar field, anterior border furrow merging with preglabellar furrow, eyes extending nearly full length of glabella, fixigenae horizontal or downsloping, with node at each inner posterior corner, palpebral areas about 0.6 of glabellar width, librigenae without eye platforms, border furrow narrow, librigenal spines long, recurved. Pygidium with wide axis, slightly tapered to broad end, axial segments 3 or 4, terminal merging into steep posterior slope, each ring with low axial node or spine, terminal axial spine may be present, pleurae 3 or 4, broad, faintly defined, with node or short spine where curvature steepens, border furrow shallow, border rimlike (258).




References



Museum or Author Information