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Echinoconchus
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Echinoconchoidea
Family:
Echinoconchidae
Formal Genus Name and Reference:
Echinoconchus WELLER, 1914, p. 138
Type Species:
Anomites punctatus Martin, 1809, pl. 37, fig. 6-8, declared invalid from 1948, ICZN, 1950, =Productus punctatus J. Sowerby, 1822 in 1821-1822, p. 22, SD СHAO, 1927b, p. 63
Images
(Click to enlarge in a new window)
Fig. 349a-e. *E. punctatus (J. Sowerby), Asbian, $a$, lectotype, viewed ventrally, Derbyshire, British Isles, BMNH B 60966, X1 (new), $b-d$, shell viewed dorsally, laterally, ventrally, Yorkshire, $X_{1}, e$, anterolateral detail of ventral exterior, Yorkshire, ×2 (Muir-Wood & Cooper, 1960). ——F IG. 349f. *E. alternatus (NORWOOD & PRATTEN), dorsal valve interior, Chesterian, Oklahoma, ×1 (Muir-Wood & Cooper, 1960).
Synonyms
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Lower Carboniferous (upper Viséan)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
66
Beginning Date:
335.91
Ending Stage in Treatise Usage:
Lower Carboniferous (upper Viséan)
Ending International Stage:
Visean
Fraction Up In Ending Stage:
100
Ending Date:
330.34
Description
Outline transversely subcircular, dorsal valve weakly concave, minimal trails, cardinal process narrow, supported by cardinal ridges, adductor scars elongate, slightly raised anteriorly
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Echinoconchoidea
Family:
Echinoconchidae
Formal Genus Name and Reference:
Echinoconchus WELLER, 1914, p. 138
Type Species:
Anomites punctatus Martin, 1809, pl. 37, fig. 6-8, declared invalid from 1948, ICZN, 1950, =Productus punctatus J. Sowerby, 1822 in 1821-1822, p. 22, SD СHAO, 1927b, p. 63
Images
(Click to enlarge in a new window)
Fig. 349a-e. *E. punctatus (J. Sowerby), Asbian, $a$, lectotype, viewed ventrally, Derbyshire, British Isles, BMNH B 60966, X1 (new), $b-d$, shell viewed dorsally, laterally, ventrally, Yorkshire, $X_{1}, e$, anterolateral detail of ventral exterior, Yorkshire, ×2 (Muir-Wood & Cooper, 1960). ——F IG. 349f. *E. alternatus (NORWOOD & PRATTEN), dorsal valve interior, Chesterian, Oklahoma, ×1 (Muir-Wood & Cooper, 1960).
Synonyms
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Lower Carboniferous (upper Viséan)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
66
Beginning Date:
335.91
Ending Stage in Treatise Usage:
Lower Carboniferous (upper Viséan)
Ending International Stage:
Visean
Fraction Up In Ending Stage:
100
Ending Date:
330.34
Description
Outline transversely subcircular, dorsal valve weakly concave, minimal trails, cardinal process narrow, supported by cardinal ridges, adductor scars elongate, slightly raised anteriorly