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Xinanospirifer
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Cyrtioidea
Family:
Cyrtiidae
Formal Genus Name and Reference:
Xinanospirifer Rong, Xu, & YANG, 1974, p. 206
Type Species:
X. flabellum, OD
Images
(Click to enlarge in a new window)
Fig. 1106, 3a-b. *X. flabellum, ventral and dorsal valves, X1.5 (Rong, Xu, & Yang, 1974).
Synonyms
Geographic Distribution
southwestern China
Age Range
Beginning Stage in Treatise Usage:
Silurian (Telychian)
Beginning International Stage:
Telychian
Fraction Up In Beginning Stage:
0
Beginning Date:
438.59
Ending Stage in Treatise Usage:
Silurian (Telychian)
Ending International Stage:
Telychian
Fraction Up In Ending Stage:
100
Ending Date:
432.93
Description
numerous low, rounded, simple plications on flanks and same size plications, increasing by insertion, in sulcus, dental plates thin, bounding sulcus, short crural plates present
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Cyrtioidea
Family:
Cyrtiidae
Formal Genus Name and Reference:
Xinanospirifer Rong, Xu, & YANG, 1974, p. 206
Type Species:
X. flabellum, OD
Images
(Click to enlarge in a new window)
Fig. 1106, 3a-b. *X. flabellum, ventral and dorsal valves, X1.5 (Rong, Xu, & Yang, 1974).
Synonyms
Geographic Distribution
southwestern China
Age Range
Beginning Stage in Treatise Usage:
Silurian (Telychian)
Beginning International Stage:
Telychian
Fraction Up In Beginning Stage:
0
Beginning Date:
438.59
Ending Stage in Treatise Usage:
Silurian (Telychian)
Ending International Stage:
Telychian
Fraction Up In Ending Stage:
100
Ending Date:
432.93
Description
numerous low, rounded, simple plications on flanks and same size plications, increasing by insertion, in sulcus, dental plates thin, bounding sulcus, short crural plates present