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Costisteges
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Productida
Suborder:
Strophalosiidina
Superfamily:
Aulostegoidea
Family:
Aulostegidae
Subfamily:
Chonosteginae
Formal Genus Name and Reference:
Costisteges LIAO, 1982, p. 540
Type Species:
C. dongluoensis, OD
Images
(Click to enlarge in a new window)
Published figures inadequate for illustration.
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
Upper Permian (Changhsingian)
Beginning International Stage:
Changhsingian
Fraction Up In Beginning Stage:
0
Beginning Date:
254.24
Ending Stage in Treatise Usage:
Upper Permian (Changhsingian)
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Resembles Chonosteges, but lacks the complex spine, funnel arrangement bordering the corpus cavity. Published figures inadequate for illustration. Upper Permian (Changhsingian): China.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Productida
Suborder:
Strophalosiidina
Superfamily:
Aulostegoidea
Family:
Aulostegidae
Subfamily:
Chonosteginae
Formal Genus Name and Reference:
Costisteges LIAO, 1982, p. 540
Type Species:
C. dongluoensis, OD
Images
(Click to enlarge in a new window)
Published figures inadequate for illustration.
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
Upper Permian (Changhsingian)
Beginning International Stage:
Changhsingian
Fraction Up In Beginning Stage:
0
Beginning Date:
254.24
Ending Stage in Treatise Usage:
Upper Permian (Changhsingian)
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Resembles Chonosteges, but lacks the complex spine, funnel arrangement bordering the corpus cavity. Published figures inadequate for illustration. Upper Permian (Changhsingian): China.