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Adolfia
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Spiriferida
Suborder:
Spiriferina
Superfamily:
Alolfioidea
Family:
Adolfiidae
Subfamily:
Adolfiinae
Formal Genus Name and Reference:
Adolfia GÜRICH, 1909, p. 136
Type Species:
Spirifer deflexus Roemer, 1843, p. 13, SD SCHUCHERT, 1929, p. 27
Images
(Click to enlarge in a new window)
Fig. 1112, 2a-d. *A. deflexa (Roemer), lower Frasnian, Germany, holotype, ventral, dorsal, posterior, and lateral views, X1 (Vandercammen, 1967).
Synonyms
Geographic Distribution
Europe, North America, southern China
Age Range
Beginning Stage in Treatise Usage:
Lower Devonian (upper Pragian)
Beginning International Stage:
Pragian
Fraction Up In Beginning Stage:
50
Beginning Date:
411.46
Ending Stage in Treatise Usage:
Upper Devonian (Frasnian)
Ending International Stage:
Frasnian
Fraction Up In Ending Stage:
100
Ending Date:
371.1
Description
Medium size, transverse, with obtuse cardinal angles, ventral interarea curved, apsacline, fold and sulcus prominent, smooth, or with a few incipient plications, flanks with numerous, bifurcating, rounded plications and narrow, U-shaped interspaces, microornament of subradial capillae, dental plates free of umbonal callus, ctenophoridium without crural plates.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Rhynchonellata
Order:
Spiriferida
Suborder:
Spiriferina
Superfamily:
Alolfioidea
Family:
Adolfiidae
Subfamily:
Adolfiinae
Formal Genus Name and Reference:
Adolfia GÜRICH, 1909, p. 136
Type Species:
Spirifer deflexus Roemer, 1843, p. 13, SD SCHUCHERT, 1929, p. 27
Images
(Click to enlarge in a new window)
Fig. 1112, 2a-d. *A. deflexa (Roemer), lower Frasnian, Germany, holotype, ventral, dorsal, posterior, and lateral views, X1 (Vandercammen, 1967).
Synonyms
Geographic Distribution
Europe, North America, southern China
Age Range
Beginning Stage in Treatise Usage:
Lower Devonian (upper Pragian)
Beginning International Stage:
Pragian
Fraction Up In Beginning Stage:
50
Beginning Date:
411.46
Ending Stage in Treatise Usage:
Upper Devonian (Frasnian)
Ending International Stage:
Frasnian
Fraction Up In Ending Stage:
100
Ending Date:
371.1
Description
Medium size, transverse, with obtuse cardinal angles, ventral interarea curved, apsacline, fold and sulcus prominent, smooth, or with a few incipient plications, flanks with numerous, bifurcating, rounded plications and narrow, U-shaped interspaces, microornament of subradial capillae, dental plates free of umbonal callus, ctenophoridium without crural plates.