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Gorgostrophia
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Strophomenida
Superfamily:
Strophomenoidea
Family:
Strophodontidae
Formal Genus Name and Reference:
Gorgostrophia HAVLÍČEK, 1967, p. 136
Type Species:
Leptaena neutra BARRANDE, 1848, p. 231, OD
Images
(Click to enlarge in a new window)
Fig. 187, 2a-d. *G. neutra (Barrande), Pragian, Koneprusy, Czech Republic, a, ventral exterior, Vinarice Limestone, Pragian, Certovy schody, OMR VH 416, x1.4, b, ventral interior, Koneprusy Limestone, NM L6743, x1.5, c, ventral internal mold, Koneprusy Limestone, OMR VH 415a, X1.5, d, dorsal internal mold, Vinarice Limestone, Certovy schody, OMR VH 416b, X2 (Havlíček, 1967).
Synonyms
Geographic Distribution
Europe
Age Range
Beginning Stage in Treatise Usage:
Devonian (Pragian)
Beginning International Stage:
Pragian
Fraction Up In Beginning Stage:
0
Beginning Date:
412.4
Ending Stage in Treatise Usage:
Devonian (Emsian)
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Moderately concavoconvex profile, uniformly costellate or unequally parvicostellate ornamentation, denticulation over two-thirds valve width, ventral muscle field large, extending to two-thirds length, diductor, adductor scars separated by narrow myophragm that bifurcates anteriorly, short, wide cardinal process lobes posteroventrally directed, dorsal muscle field weakly impressed, long narrow, dorsal median septum extending anteriorly from near cardinal process
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Strophomenida
Superfamily:
Strophomenoidea
Family:
Strophodontidae
Formal Genus Name and Reference:
Gorgostrophia HAVLÍČEK, 1967, p. 136
Type Species:
Leptaena neutra BARRANDE, 1848, p. 231, OD
Images
(Click to enlarge in a new window)
Fig. 187, 2a-d. *G. neutra (Barrande), Pragian, Koneprusy, Czech Republic, a, ventral exterior, Vinarice Limestone, Pragian, Certovy schody, OMR VH 416, x1.4, b, ventral interior, Koneprusy Limestone, NM L6743, x1.5, c, ventral internal mold, Koneprusy Limestone, OMR VH 415a, X1.5, d, dorsal internal mold, Vinarice Limestone, Certovy schody, OMR VH 416b, X2 (Havlíček, 1967).
Synonyms
Geographic Distribution
Europe
Age Range
Beginning Stage in Treatise Usage:
Devonian (Pragian)
Beginning International Stage:
Pragian
Fraction Up In Beginning Stage:
0
Beginning Date:
412.4
Ending Stage in Treatise Usage:
Devonian (Emsian)
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Moderately concavoconvex profile, uniformly costellate or unequally parvicostellate ornamentation, denticulation over two-thirds valve width, ventral muscle field large, extending to two-thirds length, diductor, adductor scars separated by narrow myophragm that bifurcates anteriorly, short, wide cardinal process lobes posteroventrally directed, dorsal muscle field weakly impressed, long narrow, dorsal median septum extending anteriorly from near cardinal process