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Xiangzhounia
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Terebratulida
Superfamily:
Stringocephaloidea
Family:
Stringocephalidae
Formal Genus Name and Reference:
Xiangzhounia Ni & YANG, 1977, p. 464
Type Species:
X. typica, OD
Images
(Click to enlarge in a new window)
Fig. 1328, 2a-b. *X. typica, China, dorsal and lateral views, X1 (Ni & Yang, 1977).
Synonyms
Geographic Distribution
Asia
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Givetian)
Beginning International Stage:
Givetian
Fraction Up In Beginning Stage:
0
Beginning Date:
385.3
Ending Stage in Treatise Usage:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Similar to Geranocephalus except for presence of short dental plates
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Terebratulida
Superfamily:
Stringocephaloidea
Family:
Stringocephalidae
Formal Genus Name and Reference:
Xiangzhounia Ni & YANG, 1977, p. 464
Type Species:
X. typica, OD
Images
(Click to enlarge in a new window)
Fig. 1328, 2a-b. *X. typica, China, dorsal and lateral views, X1 (Ni & Yang, 1977).
Synonyms
Geographic Distribution
Asia
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Givetian)
Beginning International Stage:
Givetian
Fraction Up In Beginning Stage:
0
Beginning Date:
385.3
Ending Stage in Treatise Usage:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Similar to Geranocephalus except for presence of short dental plates