_________________________________________________________________________________________________________ Kölner Forum Geol. P<strong>al</strong>äont., 19 (2011) M. ARETZ, S. DELCULÉE, J. DENAYER & E. POTY (Eds.) Abstracts, 11th Symposium on Fossil Cnidaria and Sponges, <strong>Liège</strong>, August 19-29, 2011 _________________________________________________________________________________________________________ 72 Fig. 1: A screen of the free access key for the archaeocyathan genera In conclusion, this is the first knowledge base enabling i<strong>de</strong>ntification with free access key, which inclu<strong>de</strong>s the up to-date <strong>de</strong>scriptions of <strong>al</strong>l v<strong>al</strong>id genera with the figures of their holotype The first version is available freely online. It will be compl<strong>et</strong>ed and updated to follow the evolution of scientific researches. It is a first step to refine <strong>de</strong>scriptions for p<strong>al</strong>eontologic<strong>al</strong> studies and to <strong>de</strong>velop tools for an<strong>al</strong>ysis <strong>de</strong>scriptors. More information DEBRENNE, F., ZHURAVLEV, A.I. & KRUSE, P.D. (2002): Class Archaeocyatha Bornemann, 1884. Bibliography of Class Archaeocyatha. - In: HOOPER J. N. A. & VAN SOEST R. W. M. (Eds.), Systema Porifera. A Gui<strong>de</strong> to the Classification of Sponges. Kluwer Aca<strong>de</strong>mic/Plenum Publishers., New York: Springer: vol.2: 1553-1713. KERNER, A. (2011): http://www.infosyslab.fr/archaeocyatha UNG V., DUBUS, G., ZARAGÜETA-BAGLIS, R. & VIGNES LEBBE, R. (2010): Xper²: introducing e-Taxonomy. - Bioinformatics, 26(5): 703-704. http://www.infosyslab.fr/lis/?q=en/resources/software/xper2
_________________________________________________________________________________________________________ Kölner Forum Geol. P<strong>al</strong>äont., 19 (2011) M. ARETZ, S. DELCULÉE, J. DENAYER & E. POTY (Eds.) Abstracts, 11th Symposium on Fossil Cnidaria and Sponges, <strong>Liège</strong>, August 19-29, 2011 _________________________________________________________________________________________________________ Correlation of Mid-Devonian cor<strong>al</strong> <strong>de</strong>posits of the Carnic Alps across the Austro-It<strong>al</strong>ian bor<strong>de</strong>r Erika KIDO 1 , Thomas J. SUTTNER 1 , Monica PONDRELLI 2 , Carlo CORRADINI 3 , Maria G. CORRIGA 3 , Luca SIMONETTO 4 & Stanislava BERKYOVÁ 5 1 Austrian Aca<strong>de</strong>my of Sciences (CPSA) c/o University of Graz, Institute for Earth Sciences (Geology & P<strong>al</strong>eontology), Heinrichstrasse 26, A-8010 Graz, Austria; erikakido07@yahoo.co.jp, thomas.suttner@unigraz 2 Università D'Annunzio, Internation<strong>al</strong> Research School of Plan<strong>et</strong>ary Sciences, vi<strong>al</strong>e Pindaro 42, I-65127 Pescara, It<strong>al</strong>y, monica@irsps.unich.it 3 Università di Cagliari, Dipartimento di Scienze <strong>de</strong>lla Terra, via Trentino 51, I-09127 Cagliari, It<strong>al</strong>y; corradin@unica.it, maria.corriga@unica.it 4 Museo Friulano di Storia Natur<strong>al</strong>e, via Marangoni 39-41, I-33100 Udine, It<strong>al</strong>y; luca.simon<strong>et</strong>to@comune.udine.it 5 Czech Geologic<strong>al</strong> Survey, P.O.B. 85, 118 21 Praha 1, Czech Republic; berkyova.s@seznam.cz Mid-Devonian strata of the Carnic Alps are distinguished into ten different units representing a neritic to pelagic succession within an area of approx. 240 km 2 . Here we mainly concern Middle Devonian cor<strong>al</strong>rich <strong>de</strong>posits of the neritic succession assigned to the Spinotti and Kellergrat Reef limestones and dist<strong>al</strong> slope sediments of the Hoher Trieb Formation (Fig. 1). The Spinotti Limestone is well exposed at the Mount Seewarte and represents the Eifelian to Giv<strong>et</strong>ian sh<strong>al</strong>low water platform facies. According to SCHÖNLAUB <strong>et</strong> <strong>al</strong>. (2004), this formation is divi<strong>de</strong>d into four units, bioclastic crinoid limestone (unit A), stromatoporoid <strong>de</strong>bris limestone (unit B), and birdseye limestone (units C and D) in ascending or<strong>de</strong>r. Units A and B of the Spinotti Limestone are regar<strong>de</strong>d as Eifelian in age (KREUTZER 1992a,b; HUBMANN <strong>et</strong> <strong>al</strong>. 2003). Although Unit A, at the base of the formation, yields abundant and well preserved tabulate and rugose cor<strong>al</strong>s, they have not been studied in d<strong>et</strong>ail y<strong>et</strong>. The birdseye limestone of units C and D yields distinctive interv<strong>al</strong>s of branched stromatoporoids (Amphipora) which are succe<strong>de</strong>d by dolomitic beds rich in brachiopods, that, following SCHÖNLAUB <strong>et</strong> <strong>al</strong>. (2004), might <strong>al</strong>ready indicate Giv<strong>et</strong>ian age. Near Costone Stella, Amphipora-rich horizons (gener<strong>al</strong>ly c<strong>al</strong>led Amphipora Limestone) are interfingering with birdseye limestone. Apart from stromatoporoids, these horizons inclu<strong>de</strong> solitary rugose cor<strong>al</strong>s (SCHÖNLAUB <strong>et</strong> <strong>al</strong>. 2004). That unit is continuously exposed towards the south si<strong>de</strong> of Mount Hohe Warte (track #143a) where it is succe<strong>de</strong>d by the Kellergrat Reef Limestone. At Forcella Monumenz near the Marinelli Refuge (Fig. 1.1), the massive limestone is unconformably overlain by Carboniferous sediments of the Hochwipfel Formation. Approx. 185 m<strong>et</strong>ers below the top, single broken specimens of Thamnopora (Fig. 2.1) are found tog<strong>et</strong>her with other tabulate cor<strong>al</strong>s, high trochospir<strong>al</strong> gastropods and brachiopods. Near the top of the Devonian limestone Amphipora is observed (Fig. 2.2) just before the first lithoclastic breccias appear. Conodonts from those breccias indicate <strong>al</strong>ready an early Carboniferous age. Unfortunately, the complex tectonic overprint in this area conce<strong>al</strong> the origin<strong>al</strong> <strong>de</strong>position<strong>al</strong> relations, in particular at the top of the massive limestone with the Hochwipfel Formation and in correspon<strong>de</strong>nce of a large limestone block at Cra. V<strong>al</strong> di Collina (Fig. 1.2: abandoned quarry at trail #149). Within the limestones of the abandoned quarry abundant reef organisms are found that belong to the Kellergrat Reef Limestone (Figs. 2.3, 2.4). Ten rugosan species belonging to nine genera are <strong>de</strong>scribed from this limestone (OEKENTORP-KÜSTER & OEKENTORP 1992; FLÜGEL & HUBMANN 1994). They are Favistella (Dendrostella) trigemme, Battersbyia sp., Acanthophyllum concavum, Acanthophyllum sp., Grypophyllum sp., Stringophyllum sp., Cyathophyllum? bathyc<strong>al</strong>yx, Columnaria sp., Alaiophyllum jarushevskyi, and Temnophyllum sp. cf. T. latum. Tabulate cor<strong>al</strong>s consisting of 13 species in 8 genera are reported e.g. by VINASSA DE REGNY (1918), HERITSCH (1943) and FLÜGEL (1956): Favosites fi<strong>de</strong>lis fi<strong>de</strong>lis, F. forojuliensis, F. forojuliensis pinnatus, Pacypora cor<strong>al</strong>loi<strong>de</strong>s, Striatopora major, Alveolites collinensis, A. crin<strong>al</strong>is, C<strong>al</strong>iapora? julica, Squameo<strong>al</strong>veolites sp., Coenites carnicus, C. mariae, C. polonica and Plasmopora carnica. The Kellergrat Reef Limestone <strong>al</strong>so yields Amphipora rudis, which is consi<strong>de</strong>red to indicate a Giv<strong>et</strong>ian to Frasnian age (compare HUBMANN <strong>et</strong> <strong>al</strong>. 2004). 73
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