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Emanuella
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Ambocoelioidea
Family:
Ambocoeliidae
Formal Genus Name and Reference:
Emanuella Grabau, 1923 in 1923-1924, p. 192
Type Species:
Nucleospira takwanensis KAYSER, 1883, p. 84, OD
Images
(Click to enlarge in a new window)
Fig. 1143, 2a-d. *E*. takwanensis (KAYSER), Givetian, China, a-c, dorsal, side, and anterior views, × 2 (Grabau, 1931b), d, exterior showing fine ornament, × 25 (Veevers, 1959b).
Synonyms
Paraemanuella
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
Middle Devonian
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Ventribiconvex, submegathyrid, ventral interarea low, strongly incurved, commissure slightly uniplicate, with concentric rows of small spines, dental plates lacking, crural plates short, discrete
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Ambocoelioidea
Family:
Ambocoeliidae
Formal Genus Name and Reference:
Emanuella Grabau, 1923 in 1923-1924, p. 192
Type Species:
Nucleospira takwanensis KAYSER, 1883, p. 84, OD
Images
(Click to enlarge in a new window)
Fig. 1143, 2a-d. *E*. takwanensis (KAYSER), Givetian, China, a-c, dorsal, side, and anterior views, × 2 (Grabau, 1931b), d, exterior showing fine ornament, × 25 (Veevers, 1959b).
Synonyms
Paraemanuella
Geographic Distribution
cosmopolitan
Age Range
Beginning Stage in Treatise Usage:
Middle Devonian
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
Middle Devonian
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Ventribiconvex, submegathyrid, ventral interarea low, strongly incurved, commissure slightly uniplicate, with concentric rows of small spines, dental plates lacking, crural plates short, discrete