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Schartymites

Classification

    Phylum:  
Mollusca
    Class:  
Cephalopoda
    Subclass:  
Ammonoidea
    Order:  
Goniatitida
    Suborder:  
Goniatitina
    Superfamily:  
Gastrioceratoidea
    Family:  
Glaphyritidae
    Subfamily:  
Stenoglaphyritinae
    Formal Genus Name and Reference:  
Schartymites LIBROVICH, 1939b, p. 16, 40
    Type Species:  
Goniatites barbotanus de VERNEUIL, 1845, p. 369, OD


Images

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Fossil Image
Fig. 51, 2a-d. *S. barbotanus (de Verneuil), Shartym river, Cheliabinskaia oblast', South Urals, PIN 455/38095, a-b, X 1, c, suture, whorl height at 14.5 mm , whorl width 23 mm, X 2 (Ruzhentsev & Bogoslovskaia, 1978), d, cross section, PIN 455/38098, X 2.2 (Ruzhentsev & Bogoslovskaia, 1978)."


Synonyms



Geographic Distribution

Russia (Novaia Zemlia, South Urals), Kazakhstan (Tian Shan), Uzbekistan (Fergana, Kyzylkumy), Kyrgyzstan (South Fergana), Iran, China (?Guizhou)


Age Range

    Beginning Stage in Treatise Usage:  
Pennsylvanian (lower Bashkirian Kinderscoutian-Yeadonian)
    Beginning International Stage:  
Bashkirian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
323.4
    Ending Stage in Treatise Usage:  
Pennsylvanian (lower Bashkirian Kinderscoutian-Yeadonian)
    Ending International Stage:  
Bashkirian
    Fraction Up In Ending Stage:  
56.3
    Ending Date:  
318.76


Description

Conch subdiscoidal to globular, involute, in adult stages umbilicus very narrow. Growth lamellae weak, with ventral sinus at maturity. Height of median saddle reaching three-quarters height of entire ventral lobe.




References



Museum or Author Information

Ruzhentsev & Bogoslovskaia, 1978, Ruzhentsev & Bogoslovskaia, 1978