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Devonaria
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Productida
Suborder:
Chonetidina
Superfamily:
Chonetoidea
Family:
Anopliidae
Subfamily:
Caenanopliinae
Formal Genus Name and Reference:
Devonaria Biernat, 1966, p. 77, *Chonetes zeuschneri SOBOLEV, 1909, p. 444, OD
Type Species:
Chonetes zeuschneri SOBOLEV, 1909, p. 444, OD
Images
(Click to enlarge in a new window)
Fig . 251,5a–d. *D. zeuschneri (SOBOLEV ), Skaly beds, Givetian, Poland; ventral valve exterior, dorsal exterior, lateral profile, dorsal valve interior, × 3 (Racheboeuf, new).
Synonyms
Plicodevonaria
Geographic Distribution
Poland, Nakichevan, Rhenish Slate Mountains, Armorican Massif, northern Africa (Tindouf syncline)
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:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Shell small, rounded or weakly elongate in outline, usually strongly concavoconvex, surface costellate, no spines developed but canal apertures alternating on each side of umbo, hinge denticulate, cardinal process internally ventrally gibbous, short median septum supporting cardinal process, anderidia posteriorly fusing with septum, anteriorly divergent at 80°, one pair of long, narrow, bladelike accessory septa usually longitudinally curved medianly.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Productida
Suborder:
Chonetidina
Superfamily:
Chonetoidea
Family:
Anopliidae
Subfamily:
Caenanopliinae
Formal Genus Name and Reference:
Devonaria Biernat, 1966, p. 77, *Chonetes zeuschneri SOBOLEV, 1909, p. 444, OD
Type Species:
Chonetes zeuschneri SOBOLEV, 1909, p. 444, OD
Images
(Click to enlarge in a new window)
Fig . 251,5a–d. *D. zeuschneri (SOBOLEV ), Skaly beds, Givetian, Poland; ventral valve exterior, dorsal exterior, lateral profile, dorsal valve interior, × 3 (Racheboeuf, new).
Synonyms
Plicodevonaria
Geographic Distribution
Poland, Nakichevan, Rhenish Slate Mountains, Armorican Massif, northern Africa (Tindouf syncline)
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:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Shell small, rounded or weakly elongate in outline, usually strongly concavoconvex, surface costellate, no spines developed but canal apertures alternating on each side of umbo, hinge denticulate, cardinal process internally ventrally gibbous, short median septum supporting cardinal process, anderidia posteriorly fusing with septum, anteriorly divergent at 80°, one pair of long, narrow, bladelike accessory septa usually longitudinally curved medianly.