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Spinulicosta
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productellidae
Formal Genus Name and Reference:
Spinulicosta NALIVKIN, 1937, p. 49
Type Species:
Productus spinulicostus HALL, 1857, p. 173, OD
Images
(Click to enlarge in a new window)
Fig. 278, 5a, b. *S. spinulicosta (Hall), Eifelian, New York, $a, b$, lectotype, ventral valve exterior, lateral views, AMNH 4377a, X2 (Muir-Wood & Cooper, 1960)., Fig. 278, 5c. S. sp. cf. S. spinulicosta (Hall), Lower Devonian, Ohio, dorsal valve exterior, x2$ (MuirWood & Cooper, 1960)., Fig. 278, 5d, e. S. sp. cf. S. navicella (Hall), Middle Devonian, Nevada, $d$, silicified ventral valve exterior, x2}$, $e$, incomplete silicified dorsal valve interior, x3}_{3}$ (Muir-Wood & Cooper, 1960).
Synonyms
Geographic Distribution
North America, Europe, Australia, ?Asia
Age Range
Beginning Stage in Treatise Usage:
Lower Devonian
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
Middle Devonian (Eifelian)
Ending International Stage:
Eifelian
Fraction Up In Ending Stage:
100
Ending Date:
385.3
Description
Small, outline subrounded, strongly concavoconvex profile, weakly lamellose, spines as Productella, but with elongate spine ridges posterior to spines, ribbing anteriorly, dorsal valve dimpled. Lower Devonian-Middle Devonian (Eifelian): North America, Europe, Australia, ?Asia.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productellidae
Formal Genus Name and Reference:
Spinulicosta NALIVKIN, 1937, p. 49
Type Species:
Productus spinulicostus HALL, 1857, p. 173, OD
Images
(Click to enlarge in a new window)
Fig. 278, 5a, b. *S. spinulicosta (Hall), Eifelian, New York, $a, b$, lectotype, ventral valve exterior, lateral views, AMNH 4377a, X2 (Muir-Wood & Cooper, 1960)., Fig. 278, 5c. S. sp. cf. S. spinulicosta (Hall), Lower Devonian, Ohio, dorsal valve exterior, x2$ (MuirWood & Cooper, 1960)., Fig. 278, 5d, e. S. sp. cf. S. navicella (Hall), Middle Devonian, Nevada, $d$, silicified ventral valve exterior, x2}$, $e$, incomplete silicified dorsal valve interior, x3}_{3}$ (Muir-Wood & Cooper, 1960).
Synonyms
Geographic Distribution
North America, Europe, Australia, ?Asia
Age Range
Beginning Stage in Treatise Usage:
Lower Devonian
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
Middle Devonian (Eifelian)
Ending International Stage:
Eifelian
Fraction Up In Ending Stage:
100
Ending Date:
385.3
Description
Small, outline subrounded, strongly concavoconvex profile, weakly lamellose, spines as Productella, but with elongate spine ridges posterior to spines, ribbing anteriorly, dorsal valve dimpled. Lower Devonian-Middle Devonian (Eifelian): North America, Europe, Australia, ?Asia.