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Peckichara

Classification

    Phylum:  
Charophyta
    Class:  
Charophyceae
    Order:  
Charales
    Superfamily:  
Unknown
    Family:  
Characeae
    Formal Genus Name and Reference:  
Peckichara GRAMBAST, 1957, p. 352
    Type Species:  
P. varians GRAMBAST, 1957, p. 352, pl. VIII, 1-8, OD


Images

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Fossil ImageFossil Image
Fig. 73, 1a-c. *P. varians Grambast, lower Eocene, France, topotypes, a, lateral view, C.57-9, b, apical view, C.57-10, c, basal view, C.5711, × 40 (new).”, “——Fig. 73,1d-e. P. pectinata Grambast, Upper Cretaceous, France, d, lateral view, e, apical view, × 46 (Grambast, 1971, text-fig. 9a-b).”, “——Fig. 73, 1f. P. toscarensis Feist, Paleocene, Spain, longitudinal section, C.1124-8, × 40 (new).”


Synonyms

Sinochara


Geographic Distribution

USA, Peru, France, United Kingdom, Spain, Algeria, China, ?India, Mongolia


Age Range

    Beginning Stage in Treatise Usage:  
Upper Cretaceous-Paleogene (Eocene, ?Oligocene)
    Beginning International Stage:  
Cenomanian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
100.5
    Ending Stage in Treatise Usage:  
Paleogene (Eocene, ?Oligocene)
    Ending International Stage:  
Chattian
    Fraction Up In Ending Stage:  
0
    Ending Date:  
23.04


Description

Apex nitellopsidoid, with periapical furrow weakly marked and variable narrowing of spirals, Apical nodules present, generally elongated, General shape prolate spheroidal and often quadrangular, with rounded apex, base rounded or slightly tapering, with flaring funnel, Spirals generally with tubercles, rods, or crests, Basal plate as thick as about one-third width, Size small to large. [[Retusochara and Peckisphaera have similar apical structures and thick basal plates; plate is sunken in Retusochara but in some species is still visible from the exterior.]




References



Museum or Author Information

Grambast, 1971