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Undaria
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Linoproductoidea
Family:
Monticuliferidae
Formal Genus Name and Reference:
Undaria Muir-Wood & COOPER, 1960, p. 317
Type Species:
U. manxensis, OD
Images
(Click to enlarge in a new window)
Fig. 379, 3a-c. *U. manxensis, Asbian, Isle of Man, $a$, incomplete ventral valve exterior, $\\mathbf{X}, b$, external
Synonyms
Geographic Distribution
western Europe
Age Range
Beginning Stage in Treatise Usage:
upper Lower Carboniferous (upper Viséan)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
66
Beginning Date:
335.91
Ending Stage in Treatise Usage:
upper Lower Carboniferous (upper Viséan)
Ending International Stage:
Visean
Fraction Up In Ending Stage:
100
Ending Date:
330.34
Description
Small, trails elongate, tubiform, ribbing entire, prominent at rugae that cover corpus, trails posteriorly, spines at and close to hinge, widely scattered on ventral corpus, cardinal process bilobed, quadrifid, lateral ridges and short ear baffles, median septum long, but thin.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Linoproductoidea
Family:
Monticuliferidae
Formal Genus Name and Reference:
Undaria Muir-Wood & COOPER, 1960, p. 317
Type Species:
U. manxensis, OD
Images
(Click to enlarge in a new window)
Fig. 379, 3a-c. *U. manxensis, Asbian, Isle of Man, $a$, incomplete ventral valve exterior, $\\mathbf{X}, b$, external
Synonyms
Geographic Distribution
western Europe
Age Range
Beginning Stage in Treatise Usage:
upper Lower Carboniferous (upper Viséan)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
66
Beginning Date:
335.91
Ending Stage in Treatise Usage:
upper Lower Carboniferous (upper Viséan)
Ending International Stage:
Visean
Fraction Up In Ending Stage:
100
Ending Date:
330.34
Description
Small, trails elongate, tubiform, ribbing entire, prominent at rugae that cover corpus, trails posteriorly, spines at and close to hinge, widely scattered on ventral corpus, cardinal process bilobed, quadrifid, lateral ridges and short ear baffles, median septum long, but thin.