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Ramiporidra
Classification
Phylum:
Bryozoa
Subphylum:
Ectoprocta
Class:
Gymnolaemata
Order:
Cystoporata
Suborder:
Fistuliporina
Family:
Goniocladiidae
Formal Genus Name and Reference:
Ramiporidra NIKIFOROVA, 1938, p. 197
Type Species:
Ramipora uralica STUCKENBERG, 1895, p. 169, OD, L. Perm., N. Urals, USSR
Images
(Click to enlarge in a new window)
Fig. 215, 2a-c. *R. uralica (Stuckenberg), a, vertical mesotheca, vesicles in endozone, stereom in exozone, transv. sec., TsGM No. 982/305, x11, b, autozooecia isolated by vesicular tissue at mesotheca, laminated stereom in outer exozone, deep tang. sec., TsGM No. 982/305, x11, c, primary, secondary, and tertiary branches, median carina, few ranges of autozooecia on obverse side, holotype, Museum, State University of Kazan, Xl (photograph courtesy of V. P. Nekhoroshev)."
Synonyms
Geographic Distribution
USSR
Age Range
Beginning Stage in Treatise Usage:
L.Carb., U.Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
U.Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Zoarium bifoliate, branches narrow, with paired second and third order branches, branch ends fused in some, forming fenestrate zoarium, Mesotheca vertical, protruding as carina on obverse side of branch, reverse side of branch rounded, Autozooecia in 5 or 6 ranges on each side of carina, hemispherical in cross section and partially isolated by vesicles in endozone, diaphragms absent, erect in endozone, subcircular in cross section with indistinct lunaria, Vesicles low blisters in endozone, decreasing in height into exozone, Stereom possibly laminated, with tubules, in outer exozone, widely isolating autozooecia.
References
Museum or Author Information
Classification
Phylum:
Bryozoa
Subphylum:
Ectoprocta
Class:
Gymnolaemata
Order:
Cystoporata
Suborder:
Fistuliporina
Family:
Goniocladiidae
Formal Genus Name and Reference:
Ramiporidra NIKIFOROVA, 1938, p. 197
Type Species:
Ramipora uralica STUCKENBERG, 1895, p. 169, OD, L. Perm., N. Urals, USSR
Images
(Click to enlarge in a new window)
Fig. 215, 2a-c. *R. uralica (Stuckenberg), a, vertical mesotheca, vesicles in endozone, stereom in exozone, transv. sec., TsGM No. 982/305, x11, b, autozooecia isolated by vesicular tissue at mesotheca, laminated stereom in outer exozone, deep tang. sec., TsGM No. 982/305, x11, c, primary, secondary, and tertiary branches, median carina, few ranges of autozooecia on obverse side, holotype, Museum, State University of Kazan, Xl (photograph courtesy of V. P. Nekhoroshev)."
Synonyms
Geographic Distribution
USSR
Age Range
Beginning Stage in Treatise Usage:
L.Carb., U.Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
U.Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Zoarium bifoliate, branches narrow, with paired second and third order branches, branch ends fused in some, forming fenestrate zoarium, Mesotheca vertical, protruding as carina on obverse side of branch, reverse side of branch rounded, Autozooecia in 5 or 6 ranges on each side of carina, hemispherical in cross section and partially isolated by vesicles in endozone, diaphragms absent, erect in endozone, subcircular in cross section with indistinct lunaria, Vesicles low blisters in endozone, decreasing in height into exozone, Stereom possibly laminated, with tubules, in outer exozone, widely isolating autozooecia.