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Showing results for tags 'ahrdorf formation'.
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From the album: Invertebrates
Geesops schlotheimi (Bronn 1825) Middle Devonian Eifelian Ahrdorf Formation Gerolstein Germany-
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References: Jessen, H. (1968). "Moythomasia nitida GROSS und M. cf. striata GROSS, Devonische Palaeonisciden aus dem oberen Plattenkalk der Bergisch-Gladbach-Paffrather Mulde (Rheinisches Schiefergebirge)." Palaeontographica, Abteilung A: Palaeozoologie-Stratigraphie 128(4-6): 87-114, pls. 11-17, 9 figs. Ørvig, T., 1960, New finds of acanthodians, arthrodires, crossopterygians, ganoids and dipnoans in the upper Middle Devonian Calcareous Flags (Oberer Plattenkalk) of the Bergisch Gladbach– Paffrath trough: Paläontologische Zeitschrift, Vol. 34, pp. 295–335. Ørvig, T. 1961. New finds of acanthodians, arthrodires, crossopterygians, ganoids and dipnoans in the Upper Middle Devonian calcareous flags (Oberer Plattenkalk) of the Bergisch Gladbach-Paffrath Trough, Part 2. Paläont. Zeitschrift, Vol. 35, pp. 10-27, 6 pics. JESSEN, H., 1966. Die Crossopterygier des Oberen Plattenkalkes (Devon) der Bergisch-Gladbach-Paffrather Mulde (Rheinisches Schiefergebirge) unter Berücksichtigung von amerikanischem und europäischen Onychodus-Material. Arkiv foer zoologi Ser.2, 18, Nr.14 :305-389
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