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Actinoporella nigra
(CONRAD et PEYBERNÈS 1978) GRANIER 1995
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B. Granier
(Jan-2000) |
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Acetabulariaceae
(Clypeineae) |
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Type
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Holotype (CONRAD &
PEYBERNÈS, 1978: Pl. II, fig. 3): thin section Stratech 4-11, U.P.S.T., Paul Sabatier
University, Toulouse (France)
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This figure (by courtesy of A.
ARNAUD-VANNEAU) does not represent the holotype.
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Type Locality
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Stratech
(Bulgaria)
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Stratum Typicum
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Lower Aptian («
Urgo-Aptien ») |
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More Pictures
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Synonymy
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1977 - Clypeina sp. 1.- CONRAD & PEYBERNÈS,
Fig. 6
1978 - Clypeina nigra n. sp.- CONRAD &
PEYBERNÈS, Pl. 2, fig. 1-5
1979 - Clypeina nigra.- PEYBERNÈS et alii,
Pl. 3, fig. 4
1980 - Clypeina nigra.- ARNAUD-VANNEAU , Pl.
112, fig. 1-3
1995 - Actinoporella nigra n. comb.- GRANIER,
p. 114-115, Pl. 3, fig. 2-3, from ARNAUD-VANNEAU
(1980 : Pl. 112, fig. 2-3) ; Pl. 3, fig. 1 & 4
1996 - Actinoporella nigra.- KIRMACI et alii,
Pl. 3, fig. 9-10
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Original
Diagnosis
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« ... » (Conrad & PEYBERNÈS, 1978). |
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Amended Diagnosis
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« Small Actinoporella
species with an articuled main axis bearing close-set whorls;
branches consisting of a vestibule followed by a vesicular to short
club-shaped secondary and surrounded by an open pore on one side of
the whorl and an "excrescence" on the opposite side;
vesicular secondaries perpendicular to the main axis and closed at
their distal part; calcareous sheath consisting of microgranular
calcite wall with common occurrence of translucent fibrous calcite
layer inward (in relation to epitaxial overgrowth). » (GRANIER
1995). |
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Geographic
Distribution
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Bulgaria (Conrad & PEYBERNÈS 1978, PEYBERNÈS
et alii 1979), Spain (GRANIER 1995), France (Conrad & PEYBERNÈS
1977, Arnaud-Vanneau 1980, GRANIER 1995), Turkey (KIRMACI et alii 1996) |
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Stratigraphic Range
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Late Barremian –
Early Aptian (Conrad
& PEYBERNÈS 1977, KIRMACI
et alii 1996),
Early Aptian (Conrad
& PEYBERNÈS 1978, PEYBERNÈS
et alii 1979, Arnaud-Vanneau 1980, GRANIER
1995) |
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Remarks
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None |
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Main References
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Conrad, M.A., & PeybernÈs, B. (1978) -
Sur quelques Dasycladales
de l'Urgo-Aptien du Prébalkan bulgare. Compte Rendu des Séances de
la Société de Physique et d'Histoire naturelle de Genève, NS,
vol. 12 (1977), fasc. 2-3, p. 69-83, 2 pl. (I-II).
GRANIER, B.
(1995) -
The genus Actinoporella (GÜMBEL in ALTH, 1881) and
its representatives. A review. In : PILLER, W.E. (ed.),
Proceedings of the International Symposium and Field-Meeting «
Alpine Algae ' 93 ». Beiträge zur Paläontologie, Vienna, N° 19
(1994), p. 113-127, 3 pl. (1-3).
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Additional References
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brought to you by B. Granier
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