Home Plot Diversity Curves Tree of Life About Admin Login

Welcome to the Treatise on Invertebrate Paleontology!

Please enter a genera name to retrieve more information.

Search By:
and Class
and Order

Tolmatchoffia

Classification

    Phylum:  
Brachiopoda
    Class:  
Strophomenata
    Order:  
Productida
    Superfamily:  
Productoidea
    Family:  
Productidae
    Formal Genus Name and Reference:  
Tolmatchoffia FREDERICKS, 1933, p. 28
    Type Species:  
Productus robustus TOLMATCHOFF, 1924, p. 230, OD


Images

(Click to enlarge in a new window)

Fossil Image
Fig. 342 a-e. *T. robusta (Tolmatchoff), Tournaisian, Kuzbass, central Asia, $a-c$, neotype, selected by Sarytcheva in Sarytcheva and others, 1963, ventral, lateral, posterior views of ventral valve, PIN 1493/149, x1, d$, dorsal valve exterior, $X_{1}$, $e$, dorsal valve interior, $X_{1}$ (Sarytcheva & others, 1963).


Synonyms



Geographic Distribution

Eurasia, northern Africa, North America


Age Range

    Beginning Stage in Treatise Usage:  
Lower Carboniferous (upper Tournaisian)
    Beginning International Stage:  
Tournaisian
    Fraction Up In Beginning Stage:  
66
    Beginning Date:  
351
    Ending Stage in Treatise Usage:  
Lower Carboniferous (upper Tournaisian)
    Ending International Stage:  
Tournaisian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
346.73


Description

Medium size, almost planoconvex, deep corpus, gently spreading trail, ribbing entire, becoming wider, indistinct on ventral trail, rugae more distinct dorsally, reticulate, spines scattered on both valves, commonly concentric on ventral trail, cardinal process large, normally with pit, cardinal ridges may reach ears, no marginal ridges




References



Museum or Author Information

T, Sarytcheva & others, 1963