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Ordinatus

Classification

    Phylum:  
Porifera
    Class:  
Porifera - Class, Order and Family Uncertain
    Subclass:  
Hexasterophora
    Order:  
Hexactinosa
    Family:  
Euretidae
    Subfamily:  
Euretinae
    Formal Genus Name and Reference:  
Ordinatus de LAUBENFELS, 1955, p. 83, nom. nov. pro Eutactus Schrammen, 1937, p. 38, non Gemminger & Harold, 1873
    Type Species:  
Scyphia texturata GOLDFUSS, 1826, p. 6, OD


Images

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Fossil Image
Fig. 307, 4. *O. texturatus (Goldfuss), Kimmeridgian marls, Upper Jurassic, Erkenbrectsweiler, side view of fragment with cylindrical form and distribution of ostia, X1 (Pisera, 1997, courtesy Palaeontologica Polonica).


Synonyms



Geographic Distribution

Germany


Age Range

    Beginning Stage in Treatise Usage:  
Jurassic
    Beginning International Stage:  
Hettangian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
201.36
    Ending Stage in Treatise Usage:  
Jurassic
    Ending International Stage:  
Tithonian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
143.1


Description

Cylindrical to narrow, vaselike with sides full of pores, dermal surface with only slightly thickened, dictyonal skeleton, interior dictyonal skeleton regular with rectangular to square meshes, dictyonal strands diverging toward dermal surface.




References

de Laubenfels, M. W. 1955. Porifera. In R. C. Moore, ed., Treatise on Invertebrate Paleontology, Part E, Archaeocyatha and Porifera. Geological Society of America \& The University of Kansas Press. New York \& Lawrence. p. 21112, fig. 14-89.


Museum or Author Information

Pisera, 1997