Aretz et al_2011.pdf - ORBi - Université de Liège
Aretz et al_2011.pdf - ORBi - Université de Liège
Aretz et al_2011.pdf - ORBi - Université de Liège
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Kölner Forum Geol. P<strong>al</strong>äont., 19 (2011)<br />
M. ARETZ, S. DELCULÉE, J. DENAYER & E. POTY (Eds.)<br />
Abstracts, 11th Symposium on Fossil Cnidaria and Sponges, <strong>Liège</strong>, August 19-29, 2011<br />
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Fig. 1: A: Kout<strong>al</strong>iform auriculae at the second cycle of septa in transverse section in Heliocoenia sp. (Middle<br />
Oxfordian, Sorcy, Meuse, France). First cycle ornamented by rhop<strong>al</strong>oid or claviform sections of auriculae.<br />
B: Hastiform auriculae at the first cycle of septa in transverse section in Pseudocoenia sp. (Middle Oxfordian,<br />
Dompcevrin, Meuse, France). C: Flabelliform auricula at the second cycle of septa in Ironella rutimeyeri (Middle<br />
Oxfordian, Dompcevrin, Meuse, France). Third cycle rhop<strong>al</strong>oid/claviform or lanceolate in transverse section. D:<br />
longitudin<strong>al</strong> section of flabelliform auriculae of the same species.<br />
198<br />
A B<br />
C D<br />
From volume to sections<br />
Fig. 2: Schematic of the d<strong>et</strong>ailed structure of the tree<br />
types of auriculae and their relations with septa. S1:<br />
first cycle septa, S2: second cycle septa, c: costae. The<br />
grouping of the three types of auriculae in a single<br />
cor<strong>al</strong>lite is purely artifici<strong>al</strong>.
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