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Plicatifera
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productellidae
Formal Genus Name and Reference:
Plicatifera CHAO, 1927b, p. 25
Type Species:
Productus plicatilis J. de C. SOWERBY, 1824 in 1823-1825, p. 85, OD
Images
(Click to enlarge in a new window)
Fig. 297, $1 a-c .* P$. plicatilis (J. de C. Sowerby), Viséan, Derbyshire, British Isles, lectotype, viewed anteroventrally, dorsally, posteriorly, BMNH B 60960, X2 (new), Fig. 297, 1d-f. P. pseudoplicatilis (Muir-Wood, 1928), Asbian, Fermanagh, silicified specimens, $d$, dorsal valve interior, x1.5, e$, interiors of two incomplete articulated valves viewed anteriorly, x1 . 5, }$ $f$, incomplete juvenile ventral valve exterior showing pedicle sheath, arrow, clasping spines, $\\times_{10}$ (Brunton & Mundy, 1993).
Synonyms
Geographic Distribution
Eurasia, northern Africa
Age Range
Beginning Stage in Treatise Usage:
Lower Carboniferous (middle Viséan)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
33
Beginning Date:
341.32
Ending Stage in Treatise Usage:
Lower Carboniferous (upper Viséan)
Ending International Stage:
Visean
Fraction Up In Ending Stage:
100
Ending Date:
330.34
Description
Transverse outline, rugae strongly developed on corpus, ribbing absent or incipient, narrow, may extend over trail, stout spines near hinge, on flanks, few anteriorly, smaller ones scattered on rugae
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productellidae
Formal Genus Name and Reference:
Plicatifera CHAO, 1927b, p. 25
Type Species:
Productus plicatilis J. de C. SOWERBY, 1824 in 1823-1825, p. 85, OD
Images
(Click to enlarge in a new window)
Fig. 297, $1 a-c .* P$. plicatilis (J. de C. Sowerby), Viséan, Derbyshire, British Isles, lectotype, viewed anteroventrally, dorsally, posteriorly, BMNH B 60960, X2 (new), Fig. 297, 1d-f. P. pseudoplicatilis (Muir-Wood, 1928), Asbian, Fermanagh, silicified specimens, $d$, dorsal valve interior, x1.5, e$, interiors of two incomplete articulated valves viewed anteriorly, x1 . 5, }$ $f$, incomplete juvenile ventral valve exterior showing pedicle sheath, arrow, clasping spines, $\\times_{10}$ (Brunton & Mundy, 1993).
Synonyms
Geographic Distribution
Eurasia, northern Africa
Age Range
Beginning Stage in Treatise Usage:
Lower Carboniferous (middle Viséan)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
33
Beginning Date:
341.32
Ending Stage in Treatise Usage:
Lower Carboniferous (upper Viséan)
Ending International Stage:
Visean
Fraction Up In Ending Stage:
100
Ending Date:
330.34
Description
Transverse outline, rugae strongly developed on corpus, ribbing absent or incipient, narrow, may extend over trail, stout spines near hinge, on flanks, few anteriorly, smaller ones scattered on rugae