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Sulcataria
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Productida
Suborder:
Chonetidina
Superfamily:
Chonetoidea
Family:
Rugosochonetidae
Subfamily:
Svalbardiinae
Formal Genus Name and Reference:
Sulcataria Cooper & GRANT, 1969, p. 5
Type Species:
Chonetina? rostrata Dunbar & CONDRA, 1932, p. 150, OD
Images
(Click to enlarge in a new window)
Fig. 274, 4a-c. *S. rostrata (Dunbar & Condra), Graham Formation, Asselian, Texas, a, b, ventral valve, ventral, anterior views, X4, c, dorsal valve interior, X4 (Cooper & Grant, 1969).
Synonyms
Geographic Distribution
USA (Texas)
Age Range
Beginning Stage in Treatise Usage:
Lower Permian (Asselian)
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Lower Permian (Asselian)
Ending International Stage:
Asselian
Fraction Up In Ending Stage:
100
Ending Date:
293.52
Description
Small, smooth shell with deeply sulcate ventral valve, dorsal valve weakly concave with strong median fold, ventral valve interior with broad, elevated adductor ridge, flattened margins, dorsal valve interior with thick median septum, strongly lobed anterior visceral region
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Productida
Suborder:
Chonetidina
Superfamily:
Chonetoidea
Family:
Rugosochonetidae
Subfamily:
Svalbardiinae
Formal Genus Name and Reference:
Sulcataria Cooper & GRANT, 1969, p. 5
Type Species:
Chonetina? rostrata Dunbar & CONDRA, 1932, p. 150, OD
Images
(Click to enlarge in a new window)
Fig. 274, 4a-c. *S. rostrata (Dunbar & Condra), Graham Formation, Asselian, Texas, a, b, ventral valve, ventral, anterior views, X4, c, dorsal valve interior, X4 (Cooper & Grant, 1969).
Synonyms
Geographic Distribution
USA (Texas)
Age Range
Beginning Stage in Treatise Usage:
Lower Permian (Asselian)
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Lower Permian (Asselian)
Ending International Stage:
Asselian
Fraction Up In Ending Stage:
100
Ending Date:
293.52
Description
Small, smooth shell with deeply sulcate ventral valve, dorsal valve weakly concave with strong median fold, ventral valve interior with broad, elevated adductor ridge, flattened margins, dorsal valve interior with thick median septum, strongly lobed anterior visceral region