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Lichenalia

Classification

    Phylum:  
Bryozoa
    Subphylum:  
Ectoprocta
    Class:  
Gymnolaemata
    Order:  
Cystoporata
    Suborder:  
Fistuliporina
    Family:  
Rhinoporidae
    Formal Genus Name and Reference:  
Lichenalia Hall in Silliman, Silliman, & DANA, 1851, p. 401
    Type Species:  
L. concentrica HALL, 1852, p. 171, SM, Rochester Sh., M. Sil., Lockport, N.Y., USA


Images

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Fig. 192,2a-c. "'L. concentrica; a, autozooecia elevated above large blisterlike vesicles, long. sec., topotype, USNM 159817, x20, b, thin laminated basal layer (below), recumbent autozooecia with distal spur in endozone, thin diaphragm, large laminated vesicles, long. sec., topotype, USNM 159816, x30, c, elongate autozooecia isolated by vesicular tissue and tunnel (filled with clear calcite), tang. sec., topotype, USNM 159816, x30"


Synonyms



Geographic Distribution

M.Sil., E.N.Am., Eu.


Age Range

    Beginning Stage in Treatise Usage:  
M.Sil.
    Beginning International Stage:  
Sheinwoodian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
432.93
    Ending Stage in Treatise Usage:  
M.Sil.
    Ending International Stage:  
Homerian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
426.74


Description

Zoarium encrusting, Lunaria highly elevated, Autozooecia with long recumbent portion on laminated basal layer, walls thin, laminated, Diaphragms few, Lunaria hyaline, variable in size and shape, Large blister- to boxlike vesicles in outer endozone and exozone, partly isolating autozooecia, thick, laminated roofs with indistinct tubuli.




References

Silliman, Benjamin, Silliman, Benjamin, Jr., & Dana, J. D., 1851, New genera of fossil corals from the report of James Hall, on the paleontology of New York: Am. J. Sci. Arts, ser. 2, v. 11, p. 398401.


Museum or Author Information

USNM