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Pseudomonoclimacis

Classification

    Phylum:  
Hemichordata
    Class:  
Pterobranchia
    Subclass:  
Graptolithina
    Order:  
Graptoloidea
    Suborder:  
Axonophora
    Infraorder:  
Neograptina
    Superfamily:  
Monograptoidea
    Family:  
Monograptidae
    Subfamily:  
Pristiograprtinae
    Formal Genus Name and Reference:  
Pseudomonoclimacis MIKHAILOVA, 1975, p. 156
    Type Species:  
* P. elegans, OD


Images

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Fossil ImageFossil Image
Fig. 304,7a. *P. elegans, CNIGR 20/10290, holotype, scale bar, 1 mm (Mikhailova, 1975, pl. 38,3), Fig. 304,7b. P. dalejensis (Воис̌Ек, 1936), specimen showing curvature of sicula, Všeradice section, Prague syncline, Czech Republic, scale bar, 1 mm (Štorch, Manda, & Loydell, 2014, fig. 6F), Fig. 304,7c-e. P. antiqua Š Torch, Manda, & Loydell, 2014, 7 c, slender specimen, Všeradice section, Prague syncline, Czech Republic (Štorch, Manda, & Loydell, 2014, fig. 6Q), 7d-e, juvenile specimens in reverse ( 7 d ) and obverse ( 7 e ) view, glacial boulder, Bramsche, northern Germany (Maletz, 1999a, fig. 2M-N, identified as Heisograptus sp.). Scale bars, 1 mm


Synonyms



Geographic Distribution

worldwide


Age Range

    Beginning Stage in Treatise Usage:  
Silurian, Ludlow (Gorstian, Lobograptus progenitor Biozone)
    Beginning International Stage:  
Gorstian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
426.74
    Ending Stage in Treatise Usage:  
Silurian (Pridoli (Skalograptus perneri Biozone))
    Ending International Stage:  
Pridoli
    Fraction Up In Ending Stage:  
100
    Ending Date:  
419


Description

Tubarium gently ventrally curved proximally and mesially, straight distally, sicula ventrally curved, with dorsal process, thecae moderately to strongly geniculate, generating a thecal excavation




References

Mikhailova, N. F. 1975. Graptolity. In V. V. Menner, ed., Kharacteristika fauny progranichnych sloev silura i devona tsentralnogo Kazakhstana. Nedra Moskva. p. 151-158. In Russian.


Museum or Author Information

CNIGR, Mikhailova, 1975, Воис̌Ек, 1936, Štorch, Manda, & Loydell, 2014, Maletz, 1999