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Aulacella
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Orthida
Superfamily:
Dalmanelloidea
Family:
Rhipidomellidae
Formal Genus Name and Reference:
Aulacella Schuchert & COOPER, 1931, p. 246
Type Species:
Orthis eifelensis SCHNUR, 1854, p. 213, OD
Images
(Click to enlarge in a new window)
Fig. 594, 3a-d. *A. eifelensis (Schnur), Eifelian, $a, b$, ventral, dorsal views of conjoined valves, Germany, x1.5$ (Schuchert & Cooper, 1932), $c$, dorsal interior, Poland, X1, $d$, ventral interior, Poland, x2.5$ (Biernat, 1959).
Synonyms
Geographic Distribution
Europe
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Eifelian)
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
Lower Carboniferous (Tournaisian)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
100
Ending Date:
346.73
Description
Dorsibiconvex, unisulcate valves, ventral interior with bilobed muscle scar and median ridge, bifurcate anteriorly in front of muscle field, dorsal interior with trilobed cardinal process on low notothyrial platform
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Orthida
Superfamily:
Dalmanelloidea
Family:
Rhipidomellidae
Formal Genus Name and Reference:
Aulacella Schuchert & COOPER, 1931, p. 246
Type Species:
Orthis eifelensis SCHNUR, 1854, p. 213, OD
Images
(Click to enlarge in a new window)
Fig. 594, 3a-d. *A. eifelensis (Schnur), Eifelian, $a, b$, ventral, dorsal views of conjoined valves, Germany, x1.5$ (Schuchert & Cooper, 1932), $c$, dorsal interior, Poland, X1, $d$, ventral interior, Poland, x2.5$ (Biernat, 1959).
Synonyms
Geographic Distribution
Europe
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian (Eifelian)
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
Lower Carboniferous (Tournaisian)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
100
Ending Date:
346.73
Description
Dorsibiconvex, unisulcate valves, ventral interior with bilobed muscle scar and median ridge, bifurcate anteriorly in front of muscle field, dorsal interior with trilobed cardinal process on low notothyrial platform