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Parauvanella

Classification

    Phylum:  
Porifera
    Class:  
Demospongea
    Order:  
Vaceletida
    Superfamily:  
Pileolitoidea
    Family:  
Colospongiidae
    Formal Genus Name and Reference:  
Parauvanella Senowbari-Daryan & Di STEFANO, 1988, p. 18
    Type Species:  
*P. paronai, OD


Images

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Fossil Image
Fig. 468, 2. *P. paronai, Lercara Formation, Cisuralian, Lercara, Sicily, holotype, longitudinal section of superposed, hemispherical chambers, with sponge overgrowing an inozoan, MGUP S/5/207, X3 (Senowbari-Daryan & Di Stefano, 1988, courtesy of Revista Italiana di Paleontologia e Stratigrafia).


Synonyms



Geographic Distribution

Italy (Sicily), Tunisia, Oman, USA (Texas), China, Permian, Austria, Iran, Russian Far East, Triassic


Age Range

    Beginning Stage in Treatise Usage:  
Permian
    Beginning International Stage:  
Asselian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
298.89
    Ending Stage in Treatise Usage:  
Triassic
    Ending International Stage:  
Rhaetian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
201.36


Description

Encrusting masses of superposed, spheroidal to hemispheroidal chambers communicating by closely spaced, circular pores, no internal structures in chambers. [Differs from Uvanella OTT, 1967a, in absence of vesicles and more regular, spheroidal form of chambers.]




References

Senowbari-Daryan, B., \& Pietro Di Stefano. 1988. Microfacies and sphinctozoan assemblage of some Lower Permian breccias from the Lercara Formation (Sicily). Rivista Italiana di Paleontologia e Stratigrafia 94:3-34, 8 pl.


Museum or Author Information

Senowbari-Daryan & Di Stefano, 1988