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Productella
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productellidae
Formal Genus Name and Reference:
Productella HALL, 1867c, p. 153
Type Species:
Productus subaculeatus Murchison, 1840, p. 255, SD OEHLERT, 1887b, p. 1279
Images
(Click to enlarge in a new window)
Fig. 278, 1a-e. $* P$. subaculeata (Murchison), upper Frasnian, France (Boulonnais), $a-d$, shell viewed posteriorly, laterally, ventrally, dorsally, x2$, e, dorsal valve interior, x3$ (Muir-Wood & Cooper, 1960).
Synonyms
Geographic Distribution
Eurasia
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Givetian)
Beginning International Stage:
Givetian
Fraction Up In Beginning Stage:
0
Beginning Date:
385.3
Ending Stage in Treatise Usage:
Upper Devonian (?Famennian)
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Width 10 to 20 mm, concavoconvex, with spines evenly distributed on ventral valve only, spine bases commonly not elongate, rugae weak posterolaterally, no ribbing
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productellidae
Formal Genus Name and Reference:
Productella HALL, 1867c, p. 153
Type Species:
Productus subaculeatus Murchison, 1840, p. 255, SD OEHLERT, 1887b, p. 1279
Images
(Click to enlarge in a new window)
Fig. 278, 1a-e. $* P$. subaculeata (Murchison), upper Frasnian, France (Boulonnais), $a-d$, shell viewed posteriorly, laterally, ventrally, dorsally, x2$, e, dorsal valve interior, x3$ (Muir-Wood & Cooper, 1960).
Synonyms
Geographic Distribution
Eurasia
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Givetian)
Beginning International Stage:
Givetian
Fraction Up In Beginning Stage:
0
Beginning Date:
385.3
Ending Stage in Treatise Usage:
Upper Devonian (?Famennian)
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Width 10 to 20 mm, concavoconvex, with spines evenly distributed on ventral valve only, spine bases commonly not elongate, rugae weak posterolaterally, no ribbing