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Megakozlowskiella
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Delthyriodoidea
Family:
Cyrtinopsidae
Formal Genus Name and Reference:
Megakozlowskiella BОИСОТ, 1957b, p. 322
Type Species:
Spirifer perlamellosus HALL, 1857, p. 57, OD
Images
(Click to enlarge in a new window)
Fig. 1225, 2a. M. perlamellosus (Hall), Albany, New York, Lower Devonian, dorsal view, × 1 (Hall, 1857), Fig. 1225, 2b-h. M. magnapleura Johnson, Pragian, Nevada, b, ventral interior, × 2, c, dorsal interior, × 3, d-h, ventral, dorsal, side, posterior, and anterior views, × 1.5 (Johnson, 1970)
Synonyms
Geographic Distribution
eastern North America, USA (New York, Nevada)
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:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Medium to large, transverse to equidimensional, ventral interarea moderately high, flat to curved, apsacline, deltidial plates apically perforate, medially conjunct, fold and sulcus smooth, flanks with strong plications, capillae crossed by fila, dental plates and discrete median septum present
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Delthyriodoidea
Family:
Cyrtinopsidae
Formal Genus Name and Reference:
Megakozlowskiella BОИСОТ, 1957b, p. 322
Type Species:
Spirifer perlamellosus HALL, 1857, p. 57, OD
Images
(Click to enlarge in a new window)
Fig. 1225, 2a. M. perlamellosus (Hall), Albany, New York, Lower Devonian, dorsal view, × 1 (Hall, 1857), Fig. 1225, 2b-h. M. magnapleura Johnson, Pragian, Nevada, b, ventral interior, × 2, c, dorsal interior, × 3, d-h, ventral, dorsal, side, posterior, and anterior views, × 1.5 (Johnson, 1970)
Synonyms
Geographic Distribution
eastern North America, USA (New York, Nevada)
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:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Medium to large, transverse to equidimensional, ventral interarea moderately high, flat to curved, apsacline, deltidial plates apically perforate, medially conjunct, fold and sulcus smooth, flanks with strong plications, capillae crossed by fila, dental plates and discrete median septum present