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Adrianites

Classification

    Phylum:  
Mollusca
    Class:  
Cephalopoda
    Order:  
Goniatitida
    Superfamily:  
Adrianitoidea
    Family:  
Adrianitidae
    Formal Genus Name and Reference:  
Adrianites GEMMELLARO, 1887, p. 41
    Type Species:  
A. elegans Gemmellaro, 1887, p. 43, SD DIENER, 1921, p. 20


Images

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Fossil Image
Fig. 76, 3 a-d . * A. elegans, Sosio limestone, a-c, lectotype (herein), MGUP 85A of Gemmellaro (1887, pl. 6, 14-15), X 2, d, topotype, GPIT 24409-13, diameter at 14 mm (new)."


Synonyms



Geographic Distribution

Italy (Sicily), Oman, China (Xinjiang, Jilin, ?Xizang), ?Malaya, Canada (British Columbia), Croatia, Indonesia (Timor), Afghanistan, Tajikistan (?Pamir), USA (?Texas), Russia (?Southern Urals)


Age Range

    Beginning Stage in Treatise Usage:  
Guadalupian (Wordian)
    Beginning International Stage:  
Wordian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
269.21
    Ending Stage in Treatise Usage:  
Guadalupian (Wordian)
    Ending International Stage:  
Wordian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
264.34


Description

Conch relatively narrow (W/D, 0.6) with wide umbilicus (U/D, 0.2) and evenly reticulate sculpture. Sutural trace moderately arched, with six pairs of external lateral lobes to umbilical shoulders. Six named species.




References



Museum or Author Information

GPIT