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Brachythyris
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Brachythyridoidea
Family:
Brachythyrididae
Formal Genus Name and Reference:
Brachythyris putilla STAINBROOK, 1947, p. 322, OD
Type Species:
Spirifera ovalis PHILLIPS, 1836, p. 219; SD BUCKMAN, 1908, p. 30
Images
(Click to enlarge in a new window)
Fig. 1207, 1a–d. *B. ovalis (PHILLIPS ), Visean, England; lectotype, ventral, dorsal, anterior, and posterior views, ×1 (new).
Synonyms
Ovalia
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Upper Devonian (Famennian)
Beginning International Stage:
Famennian
Fraction Up In Beginning Stage:
0
Beginning Date:
371.1
Ending Stage in Treatise Usage:
Carboniferous (Mississippian)
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Small to medium size; fold and sulcus moderately narrow, well delimited; sulcus smooth or with faint costae on sides of sulcus; fold smoothly rounded; lateral slopes with broad, rounded, simple plications separated by moderately narrow interspaces; some species faintly capillate; hinge line commonly denticulate.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Brachythyridoidea
Family:
Brachythyrididae
Formal Genus Name and Reference:
Brachythyris putilla STAINBROOK, 1947, p. 322, OD
Type Species:
Spirifera ovalis PHILLIPS, 1836, p. 219; SD BUCKMAN, 1908, p. 30
Images
(Click to enlarge in a new window)
Fig. 1207, 1a–d. *B. ovalis (PHILLIPS ), Visean, England; lectotype, ventral, dorsal, anterior, and posterior views, ×1 (new).
Synonyms
Ovalia
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Upper Devonian (Famennian)
Beginning International Stage:
Famennian
Fraction Up In Beginning Stage:
0
Beginning Date:
371.1
Ending Stage in Treatise Usage:
Carboniferous (Mississippian)
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Small to medium size; fold and sulcus moderately narrow, well delimited; sulcus smooth or with faint costae on sides of sulcus; fold smoothly rounded; lateral slopes with broad, rounded, simple plications separated by moderately narrow interspaces; some species faintly capillate; hinge line commonly denticulate.