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Ferganella
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Rhynchonellida
Superfamily:
Rhynchotrematoidea
Family:
Machaerariidae
Formal Genus Name and Reference:
Ferganella NIKIFOROVA, 1937a, p. 39
Type Species:
F. turkestanica, OD
Images
(Click to enlarge in a new window)
Fig. 736, 3af. *F. turkestanica, lower Lochkovian, Manak Beds, $a-d$, dorsal, ventral, lateral, and anterior views, x1$ (Nikiforova, 1937a), e, serial section, x2.5, f$, serial section, x3.5$ (Jones, 1981).’
Synonyms
Geographic Distribution
Fergana
Age Range
Beginning Stage in Treatise Usage:
Lower Devonian (Lochkovian)
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
Lower Devonian (Lochkovian)
Ending International Stage:
Lochkovian
Fraction Up In Ending Stage:
100
Ending Date:
412.4
Description
Subpentagonal to rounded outline and biconvex profile, Beak suberect, delthyrium open but small deltidial plates may be present, Fold and sulcus low, anterior commissure uniplicate, tongue broad, low, dentate, Costae strong, angular, from beaks, rare bifurcation, Dental plates short, vertical, Septalium with cover, septalial plates long, hinge plates conjunct posteriorly, cardinal process septiform, within septalium, merges with dorsal medium septum that extends to midvalve.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Rhynchonellida
Superfamily:
Rhynchotrematoidea
Family:
Machaerariidae
Formal Genus Name and Reference:
Ferganella NIKIFOROVA, 1937a, p. 39
Type Species:
F. turkestanica, OD
Images
(Click to enlarge in a new window)
Fig. 736, 3af. *F. turkestanica, lower Lochkovian, Manak Beds, $a-d$, dorsal, ventral, lateral, and anterior views, x1$ (Nikiforova, 1937a), e, serial section, x2.5, f$, serial section, x3.5$ (Jones, 1981).’
Synonyms
Geographic Distribution
Fergana
Age Range
Beginning Stage in Treatise Usage:
Lower Devonian (Lochkovian)
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
Lower Devonian (Lochkovian)
Ending International Stage:
Lochkovian
Fraction Up In Ending Stage:
100
Ending Date:
412.4
Description
Subpentagonal to rounded outline and biconvex profile, Beak suberect, delthyrium open but small deltidial plates may be present, Fold and sulcus low, anterior commissure uniplicate, tongue broad, low, dentate, Costae strong, angular, from beaks, rare bifurcation, Dental plates short, vertical, Septalium with cover, septalial plates long, hinge plates conjunct posteriorly, cardinal process septiform, within septalium, merges with dorsal medium septum that extends to midvalve.