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Camarotoechia
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Rhynchonellida
Superfamily:
Camarotoechioidea
Family:
Camarotoechiidae
Formal Genus Name and Reference:
Camarotoechia Hall & CLARKE, 1893, p. 189
Type Species:
Atrypa congregata CONRAD, 1841, p. 55, OD
Images
(Click to enlarge in a new window)
Fig. 769, 1a-b. *C. congregata (Conrad), Skaneateles Formation, Butternut Shale, Onondaga County, Conklin's Falls, New York, USA, $a$, two dorsal valve internal molds, x1.5, b$, ventral valve internal mold, x1$ (Sartenaer, 1961b).
Synonyms
Geographic Distribution
North America
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:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Subcircular to transversely ovate with moderately biconvex profile, maximum thickness at umbones, sides and anterior not steep. Fold and sulcus low, commencing at umbones, anterior commissure uniplicate, broad, gentle. Costae low, rounded, present on flanks as well as fold and sinus, bifurcating and intercalating. Dental plates short, strong. Hinge plates divided anteriorly, dorsal median septum long but low, septalium short, dorsal muscle field long, narrow.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Rhynchonellida
Superfamily:
Camarotoechioidea
Family:
Camarotoechiidae
Formal Genus Name and Reference:
Camarotoechia Hall & CLARKE, 1893, p. 189
Type Species:
Atrypa congregata CONRAD, 1841, p. 55, OD
Images
(Click to enlarge in a new window)
Fig. 769, 1a-b. *C. congregata (Conrad), Skaneateles Formation, Butternut Shale, Onondaga County, Conklin's Falls, New York, USA, $a$, two dorsal valve internal molds, x1.5, b$, ventral valve internal mold, x1$ (Sartenaer, 1961b).
Synonyms
Geographic Distribution
North America
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:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Subcircular to transversely ovate with moderately biconvex profile, maximum thickness at umbones, sides and anterior not steep. Fold and sulcus low, commencing at umbones, anterior commissure uniplicate, broad, gentle. Costae low, rounded, present on flanks as well as fold and sinus, bifurcating and intercalating. Dental plates short, strong. Hinge plates divided anteriorly, dorsal median septum long but low, septalium short, dorsal muscle field long, narrow.