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Myophorella
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeoheterodonta
Order:
Trigonioida
Superfamily:
Trigoniacea
Family:
Trigoniidae
Formal Genus Name and Reference:
Myophorella BAYLE, 1878, expl. pl. 120
Type Species:
M. nodulosa Bayle =*Trigonia nodulosa Lamarck, 1801, p. 117, SD CRICKMAY, 1932, p. 458
Images
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D72,1. *M. (M.) nodulosa, U.Jur.(Oxford.), France, LV ext., X0.45 (Bayle, 1878)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
L.Jur.(Lias.)
Beginning International Stage:
Hettangian
Fraction Up In Beginning Stage:
0
Beginning Date:
201.36
Ending Stage in Treatise Usage:
L.Cret.
Ending International Stage:
Albian
Fraction Up In Ending Stage:
100
Ending Date:
100.5
Description
Trigonally ovate to oblong, strongly inequilateral, marginal carina obtuse, escutcheon shallow, area bipartite, variously ornamented, flank bearing rows of tubercles or tuberculate costae which are usually oblique but subconcentric in some species
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeoheterodonta
Order:
Trigonioida
Superfamily:
Trigoniacea
Family:
Trigoniidae
Formal Genus Name and Reference:
Myophorella BAYLE, 1878, expl. pl. 120
Type Species:
M. nodulosa Bayle =*Trigonia nodulosa Lamarck, 1801, p. 117, SD CRICKMAY, 1932, p. 458
Images
(Click to enlarge in a new window)
D72,1. *M. (M.) nodulosa, U.Jur.(Oxford.), France, LV ext., X0.45 (Bayle, 1878)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
L.Jur.(Lias.)
Beginning International Stage:
Hettangian
Fraction Up In Beginning Stage:
0
Beginning Date:
201.36
Ending Stage in Treatise Usage:
L.Cret.
Ending International Stage:
Albian
Fraction Up In Ending Stage:
100
Ending Date:
100.5
Description
Trigonally ovate to oblong, strongly inequilateral, marginal carina obtuse, escutcheon shallow, area bipartite, variously ornamented, flank bearing rows of tubercles or tuberculate costae which are usually oblique but subconcentric in some species