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Lychnothamnus

Classification

    Phylum:  
Charophyta
    Class:  
Charophyceae
    Order:  
Charales
    Superfamily:  
Unknown
    Family:  
Characeae
    Formal Genus Name and Reference:  
Lychnothamnus (Ruprecht, 1845) von Leonhardi, 1863, p. 57, emend., A. Braun in Braun & NORDSTEDT, 1882, p. 100
    Type Species:  
Chara barbata MEYEN, 1827, p. 75, OD


Images

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Fossil Image
Fig. 69,3a-e. * L. barbatus (Meyen) von Leonhardi, Holocene, Germany, a, lateral view, x50, b, apical view, x47, c, basal view, x47, d, basal plate, lower side, x250 (SouliéMärsche, 1989, pl. XXXV, 2, 5, 8, 10), e, detail of the oospore membrane, CF.2953-5, x580 (new)., Fig. 69,3f-g. L. longus Choi, upper Eocene, Spain, f, holotype, lateral view, g, paratype, apical view, CF.VF/8-6, x60 (new).


Synonyms

Lychnothamnites


Geographic Distribution

Europe, Mali, China, India, Australia


Age Range

    Beginning Stage in Treatise Usage:  
Paleogene (upper Eocene)
    Beginning International Stage:  
Priabonian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
37.71
    Ending Stage in Treatise Usage:  
Holocene
    Ending International Stage:  
Meghalayan
    Fraction Up In Ending Stage:  
0
    Ending Date:  
0


Description

Apex psilocharoid with periapical furrow, Apical ends of spirals concave, in some instances with poorly developed nodules, General shape subprolate to prolate with apex rounded and its central part slightly prominent, base rounded, Basal plate conical, its thickness being about half of width, Size medium to large. [Reminiscent of the genus Stephanochara.]




References

von Leonhardi, Herman Freiherrn. 1863. Über die böhmischen Characeen. Lotos 13:55-62, 69-80, 110-111, 124-132.


Museum or Author Information

SouliéMärsche, 1989