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Journal Article

STARS OF THE AFTERMATH: ASTERIACITES BEDS FROM THE LOWER TRIASSIC OF THE CARNIC ALPS (WERFEN FORMATION, SAURIS DI SOPRA), ITALY Available to Purchase

ANDREA BAUCON, CARLOS NETO DE CARVALHO
Journal: PALAIOS
Published: 01 April 2016
PALAIOS (2016) 31 (4): 161–176.
DOI: https://doi.org/10.2110/palo.2015.015
... their significance with respect to the end-Permian crisis. In light of this need, this paper describes a novel Lower Triassic ichnosite at Mount Pallone (Carnic Alps, Italy), where the Campil Member (Smithian) of the Werfen Formation (Griesbachian–Spathian) presents an abundant ichnofauna characterized by excellent...
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View PDF for article title, STARS OF THE AFTERMATH: ASTERIACITES BEDS FROM THE LOWER TRIASSIC OF THE CARNIC ALPS (<span class="search-highlight">WERFEN</span> <span class="search-highlight">FORMATION</span>, SAURIS DI SOPRA), ITALY
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General lithostratigraphy of the Werfen Formation based on previous literature (Broglio Loriga et al. 1983, 1990; Neri 2007; Avanzini et al. 2010) and field observations. Stratigraphical log derived and synthesized from Neri (2007). Dominant color based on Neri (2007) and Avanzini et al. (2010). Whereas Rhizocorallium and rhizolites have been documented in the original stratigraphical log by Neri (2007), they have not been documented in the study site.

General lithostratigraphy of the Werfen Formation based on previous literat... Available to Purchase

Published: 01 April 2016
Fig. 2.— General lithostratigraphy of the Werfen Formation based on previous literature ( Broglio Loriga et al. 1983 , 1990 ; Neri 2007 ; Avanzini et al. 2010 ) and field observations. Stratigraphical log derived and synthesized from Neri (2007) . Dominant color based on Neri (2007
Journal Article

END-PERMIAN MASS EXTINCTION OF LAGENIDE FORAMINIFERS IN THE SOUTHERN ALPS (NORTHERN ITALY) Available to Purchase

JOHN R. GROVES, ROBERTO RETTORI, JONATHAN L. PAYNE, MATTHEW D. BOYCE, DEMÍR ALTINER
Published: 01 May 2007
Journal of Paleontology (2007) 81 (3): 415–434.
DOI: https://doi.org/10.1666/05123.1
...JOHN R. GROVES; ROBERTO RETTORI; JONATHAN L. PAYNE; MATTHEW D. BOYCE; DEMÍR ALTINER Abstract The Permian–Triassic boundary, examined at two sections in the Southern Alps, occurs ∼1.0 to 1.5 m above the base of the Tesero Oolite Member of the Werfen Formation in a depositionally continuous sequence...
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View PDF for article title, END-PERMIAN MASS EXTINCTION OF LAGENIDE FORAMINIFERS IN THE SOUTHERN ALPS (NORTHERN ITALY)
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Figure 2. Schematic column across the Bellerophon/Werfen formational boundary in the Dolomites with the stratigraphic distribution of late Permian orthotetids and main extinction phases (E1–E3).

Figure 2. Schematic column across the Bellerophon/Werfen formational bounda... Available to Purchase

Published: 01 January 2011
Figure 2. Schematic column across the Bellerophon/Werfen formational boundary in the Dolomites with the stratigraphic distribution of late Permian orthotetids and main extinction phases (E1–E3).
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Figure4—1, Thin section print of stromatolitic facies in lower Tesero Oolite Member of Werfen Formation at Bulla section, spl. Bu-12D. 2, Outcrop photograph of Permian–Triassic boundary within lower Tesero Oolite Member of Werfen Formation at Bulla section; stromatolitic rock layer denoted by numeral 12C is base of Triassic System (meter stick for scale). 3, Thin section print of oolitic grainstone facies within lower Tesero Oolite Member of Werfen Formation at Bulla section, spl. Bu-8. 4, Thin section photomicrograph of stromatolitic facies of lower Tesero Oolite Member of Werfen Formation at Bulla section, spl. Bu-12C; anastomosing, dark-walled, tubular structures in center of image resemble girvanellid cyanobacteria (note 50 μm scale in lower left) (photo by S. B. Pruss). 5, Thin section print of hemigordiopsid-algal grainstone facies in Bulla Member of Bellerophon Formation at Tesero Section, spl. Te-12A. 6, Thin section print of dasycladacean-gymnocodiacean algal packstone facies in Bulla Member of Bellerophon Formation at Tesero section, spl. Te-10

Figure 4 — 1, Thin section print of stromatolitic facies in lower Tesero ... Available to Purchase

Published: 01 May 2007
Figure 4 — 1, Thin section print of stromatolitic facies in lower Tesero Oolite Member of Werfen Formation at Bulla section, spl. Bu-12D. 2, Outcrop photograph of Permian–Triassic boundary within lower Tesero Oolite Member of Werfen Formation at Bulla section; stromatolitic rock layer denoted
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FIGURE 12. Comparison of trace fossil diversity in the Pedigree-Ring-Kahntah study area to that in the Werfen Formation of northern Italy. Peak trace fossil diversity in Induan strata of the Werfen Formation is 5 ichnogenera (data obtained from Twitchett and Wignall, 1996). Peak trace fossil diversity in Induan strata of the Montney Formation in the Kahntah River-Ring Border–Pedigree area is 17 ichnogenera.

FIGURE 12. Comparison of trace fossil diversity in the Pedigree-Ring-Kahnta... Available to Purchase

Published: 01 January 2010
FIGURE 12. Comparison of trace fossil diversity in the Pedigree-Ring-Kahntah study area to that in the Werfen Formation of northern Italy. Peak trace fossil diversity in Induan strata of the Werfen Formation is 5 ichnogenera (data obtained from Twitchett and Wignall, 1996 ). Peak trace fossil
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A: Size distributions of studied specimens from Spathian Upper Werfen Formation, belonging to species Natiria costata and Werfenella rectecostata. These specimens come from Bletterbach Gorge at Mount Weißhorn, Italian Alps (housed in the Bayerische Staatssammlung für Paläontologie, BSPG) and from western Serbia (Humboldt Museum, Berlin, MB; Ga.3809.1–3809.14). B: Plot showing median, range, extremes, and 25 and 75 percentiles of same studied specimens from Upper Werfen Formation.

A: Size distributions of studied specimens from Spathian Upper Werfen Forma... Available to Purchase

Published: 01 February 2010
Figure 4. A: Size distributions of studied specimens from Spathian Upper Werfen Formation, belonging to species Natiria costata and Werfenella rectecostata . These specimens come from Bletterbach Gorge at Mount Weißhorn, Italian Alps (housed in the Bayerische Staatssammlung für Paläontologie
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FIGURE 2—Specimens of Early Triassic ophiuroids and associated fauna. The scale bar in all images is 5 mm long. (A) Aboral view of Praeaplocoma hessi on the base of a tempestite, Val Badia Member, Werfen Formation, northern Italy. (B) Unnamed ophiuroid lying across a Eumorphotis valve, Thaynes Formation, Palomino Ridge, Nevada. (C) Aboral surface of unnamed ophiuroid, Thaynes Formation, Montello, Nevada. (D) Oral surface of unnamed ophiuroid, base of tempestite, Thaynes Formation, Montello, Nevada. (E) Articulated ophiuroid arm fragments and disarticulated, convex-up Claraia valves, Siusi Member, Werfen Formation, northern Italy. (F) Aboral surfaces of unnamed, articulated ophiuroids on the base of a tempestite containing disarticulated Holocrinus ossicles, Thaynes Formation, Montello, Nevada (G) Partially silicified brachiopod from the Thaynes Formation, Montello, Nevada. (H) Articulated ophiuroid arm fragment in association with unnamed bryozoan, Thaynes Formation, Montello, Nevada. (I) Disarticulated ophiuroid ossicles and Holocrinus ossicles on the base of a tempestite, Thaynes Formation, Montello, Nevada. (J) Asteriacites lumbricalis in convex hyporelief, Moenkopi Formation, southern Nevada. (K) Asteriacites lumbricalis in concave epirelief, Moenkopi Formation, southern Nevada. (L) Asteriacites lumbricalis, in convex hyporelief, Werfen Formation, northern Italy

FIGURE 2 —Specimens of Early Triassic ophiuroids and associated fauna. The ... Available to Purchase

Published: 01 June 2005
FIGURE 2 —Specimens of Early Triassic ophiuroids and associated fauna. The scale bar in all images is 5 mm long. (A) Aboral view of Praeaplocoma hessi on the base of a tempestite, Val Badia Member, Werfen Formation, northern Italy. (B) Unnamed ophiuroid lying across a Eumorphotis valve, Thaynes
Journal Article

Proliferation of Early Triassic wrinkle structures: Implications for environmental stress following the end-Permian mass extinction Available to Purchase

Sara Pruss, Margaret Fraiser, David J. Bottjer
Journal: Geology
Published: 01 May 2004
Geology (2004) 32 (5): 461–464.
DOI: https://doi.org/10.1130/G20354.1
... , Rhizocorallium , Planolites , and Gyrochorte that indicate a subtidal paleoenvironment. Wrinkle structures were found in the Campil Member in the Werfen Formation of northern Italy and in the Virgin Limestone Member of the Moenkopi Formation and the upper member of the Thaynes Formation exposed in the western...
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Journal Article

A REVISION OF REDUVIASPORONITES WILSON 1962: DESCRIPTION, ILLUSTRATION, COMPARISON AND BIOLOGICAL AFFINITIES Available to Purchase

C.B. FOSTER, M.H. STEPHENSON, C. MARSHALL, G.A. LOGAN, P.F. GREENWOOD
Journal: Palynology
Published: 01 January 2002
Palynology (2002) 26 (1): 35–58.
DOI: https://doi.org/10.2113/0260035
... are present very rarely in the Early Triassic Mazzin Member of the Werfen Formation, Austria. R chalastus is present in Capitanian to Griesbachian rocks spanning at least 10 million years, and outside the more narrow age span of the Permian–Triassic boundary. The size of the constituent cells present in R...
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View PDF for article title, A REVISION OF REDUVIASPORONITES WILSON 1962: DESCRIPTION, ILLUSTRATION, COMPARISON AND BIOLOGICAL AFFINITIES
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Journal Article

Evidence for abrupt latest Permian mass extinction of foraminifera: Results of tests for the Signor-Lipps effect Available to Purchase

Michael R. Rampino, Andre C. Adler
Journal: Geology
Published: 01 May 1998
Geology (1998) 26 (5): 415–418.
DOI: https://doi.org/10.1130/0091-7613(1998)026<0415:EFALPM>2.3.CO;2
... Permian extinction. The number of last occurrences of taxa reaches a maximum close to the local base of the Tesero horizon of the Werfen Formation. Taxa that have ≤15% stratigraphic abundance (percent of sample intervals in which a taxon occurs) show last occurrences well before that level, whereas taxa...
View PDF for article title, Evidence for abrupt latest Permian mass extinction of foraminifera: Results of tests for the Signor-Lipps effect
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FIGURE 2—Photographs of microgastropod grainstones from Lower Triassic localities around the world. All grainstones pictured were deposited subtidally. Arrows point to individual microgastropods. (A) Gastropod Oolite Member, Werfen Formation, northern Italy. (B) Kamura Formation, Japan. (C) Zhitkov Formation, Russia. (D) Sinbad Limestone Member, Moenkopi Formation, western U.S.A

FIGURE 2 —Photographs of microgastropod grainstones from Lower Triassic loc... Available to Purchase

Published: 01 June 2004
FIGURE 2 —Photographs of microgastropod grainstones from Lower Triassic localities around the world. All grainstones pictured were deposited subtidally. Arrows point to individual microgastropods. (A) Gastropod Oolite Member, Werfen Formation, northern Italy. (B) Kamura Formation, Japan. (C
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Lithostratigraphy and chemostratigraphy of the Bellerophon and Werfen Formations, Tesero Road section, Italian Dolomite Mountains, NE Italy. EPME—end-Permian mass extinction; PTB—Permian-Triassic boundary; EP2—Early Triassic mass extinction; PDB—Peedee belemnite; I.—Isarcicella.

Lithostratigraphy and chemostratigraphy of the Bellerophon and Werfen Forma... Available to Purchase

Published: 25 January 2018
Figure 4. Lithostratigraphy and chemostratigraphy of the Bellerophon and Werfen Formations, Tesero Road section, Italian Dolomite Mountains, NE Italy. EPME—end-Permian mass extinction; PTB—Permian-Triassic boundary; EP2—Early Triassic mass extinction; PDB—Peedee belemnite; I .— Isarcicella .
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FIGURE 4—Stratigraphic distribution of Early Triassic ophiuroid fossils and trace fossils from the Werfen Formation (northern Italy) and the Moenkopi and Thaynes Formations (Nevada). Italian stratigraphy and correlation from Twitchett (1999 and references therein). Nevada stratigraphy and correlation from Schubert and Bottjer (1995). U. Perm = Upper Permian. TOH = Tesero Oolite Horizon

FIGURE 4 —Stratigraphic distribution of Early Triassic ophiuroid fossils an... Available to Purchase

Published: 01 June 2005
FIGURE 4 —Stratigraphic distribution of Early Triassic ophiuroid fossils and trace fossils from the Werfen Formation (northern Italy) and the Moenkopi and Thaynes Formations (Nevada). Italian stratigraphy and correlation from Twitchett (1999 and references therein). Nevada stratigraphy
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Spirigerella? teseroi n. sp. from the middle Tesero Member (Werfen Formation) of the Tesero section, Dolomite, northern Italy. (a, b) UWA133474, holotype, a complete specimen in ventral and dorsal views. (c) UWA133472, a crushed specimen in dorsal view. (d, e) UWA133473, a crushed specimen in ventral and dorsal views. (a, b) × 5. Others, × 3.8.

Spirigerella ? teseroi n. sp. from the middle Tesero Member (Werfen Forma... Available to Purchase

Published: 01 May 2006
Figure 14. Spirigerella ? teseroi n. sp. from the middle Tesero Member (Werfen Formation) of the Tesero section, Dolomite, northern Italy. (a, b) UWA133474, holotype, a complete specimen in ventral and dorsal views. (c) UWA133472, a crushed specimen in dorsal view. (d, e) UWA133473, a crushed
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FIGURE 2—Paleogeographic reconstruction of the continents during the Early Triassic with approximate locations of Lower Triassic formations containing trace-fossil assemblages. (A, B) Locations of the Virgin limestone and Sinbad limestone, respectively, southwestern United States. (C) Dinwoody Formation, northwestern United States. (D) Montney Formation, British Columbia, Canada. (E) Toad Formation, southeastern Yukon Territory, Canada. (F) Werfen Formation, Dolomites, southern Italy. Modified from Pruss et al., 2004; after Erwin, 1993

FIGURE 2 —Paleogeographic reconstruction of the continents during the Early... Available to Purchase

Published: 01 December 2004
Formation, northwestern United States. (D) Montney Formation, British Columbia, Canada. (E) Toad Formation, southeastern Yukon Territory, Canada. (F) Werfen Formation, Dolomites, southern Italy. Modified from Pruss et al., 2004 ; after Erwin, 1993
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Figure 1. Late Permian–Early Triassic paleogeographic map (modified from Erwin, 1993) showing global distribution of Early Triassic wrinkle-structure–bearing strata. Numbers indicate approximate locations where Early Triassic wrinkle structures were formed and preserved: (1) western United States, Spathian Virgin Limestone Member, Moenkopi Formation; (2) western United States, Spathian upper member, Thaynes Formation; (3) northern Italy, Smithian Campil Member, Werfen Formation

Figure 1. Late Permian–Early Triassic paleogeographic map (modified from E... Available to Purchase

Published: 01 May 2004
, Spathian Virgin Limestone Member, Moenkopi Formation; (2) western United States, Spathian upper member, Thaynes Formation; (3) northern Italy, Smithian Campil Member, Werfen Formation
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Figure 3. Photographs of Cambrian and Early Triassic wrinkle structures for comparison. A: Lower Cambrian Poleta Formation, Westgard Pass, central California, United States (37°17′30″N, 118°08′00″W). B: Smithian Campil Member, Werfen Formation, Punta Rolla locality, northern Italy (Broglio Loriga et al., 1990). C: Spathian upper member, Thaynes Formation, Cascade Springs locality, northern Utah, United States (Newman, 1974). D: Spathian Virgin Limestone Member, Moenkopi Formation, Muddy Mountains Overton locality, United States (Shorb, 1983); there are many wrinkle structures (examples indicated by arrows) and six large unidirectional scour marks (examples indicated by stars) in center as well as parts of several unidirectional scour marks at margins of photograph

Figure 3. Photographs of Cambrian and Early Triassic wrinkle structures for... Available to Purchase

Published: 01 May 2004
Figure 3. Photographs of Cambrian and Early Triassic wrinkle structures for comparison. A: Lower Cambrian Poleta Formation, Westgard Pass, central California, United States (37°17′30″N, 118°08′00″W). B: Smithian Campil Member, Werfen Formation, Punta Rolla locality, northern Italy ( Broglio Loriga
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Orbicoelia dolomitensis n. sp. from the middle Tesero Member (Werfen Formation) of the Tesero section, Dolomites, northern Italy. (a) UWA133464, a complete specimen in ventral view. (b) UWA133467, a specimen in ventral view. (c) UWA133465, a specimen in ventral view. (d) UWA133470, a specimen in dorsal view. (e) UWA13469, a specimen in ventral view. (f, g) UWA133463, a complete specimen in ventral and dorsal views. (h) UWA133466, a specimen in ventral view. (i, l) UWA133471, a specimen in ventral and dorsal views. (j, k) UWA133468, holotype, a specimen in ventral and dorsal views. (d, i, l) × 5. Others × 3.8.

Orbicoelia dolomitensis n. sp. from the middle Tesero Member (Werfen Forma... Available to Purchase

Published: 01 May 2006
Figure 11. Orbicoelia dolomitensis n. sp. from the middle Tesero Member (Werfen Formation) of the Tesero section, Dolomites, northern Italy. (a) UWA133464, a complete specimen in ventral view. (b) UWA133467, a specimen in ventral view. (c) UWA133465, a specimen in ventral view. (d) UWA133470
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Figure 6. 1–8, 10–17, 19–21, Teserina nerii n. gen. n. sp., Tesero Member, Werfen Formation, uppermost Permian, all ×2 except otherwise indicated: 1, exterior view of a dorsal valve, MLF8650-111; 2, exterior view of a ventral valve, MLF8650-182; 3, exterior views of dorsal valves, MLF8650-159 on left and MLF8650-156 on right; 4, exterior views of two ventral valves markedly compressed by sediment compaction and two dorsal valves, MLF8650-187 at center, MLF8650-188 on right low corner; 5, detail of specimen MLF8650-187 showing the distal lobes of cardinal process; 6, exterior view of a dorsal valve, MLF8650-199; 7, holotype, exterior view of a dorsal valve, MLF8650-149; 8, a broken dorsal valve showing a long cardinal process emerging below the umbonal region, MLF8650-192; 10, exterior view of a small dorsal valve, MLF8650-172; 11, detail of ventral beak with koskinoid perforations, MLF8650-141, ×10; 12, 13, dorsal and ventral views of a strongly compressed conjoined shell, MLF8650-168, ×3; 14, exterior view of interarea, MLF8650-199, ×3; 15, 16, oblique interior and posterior views of a fragmented dorsal cardinal region, MLF650-211, ×5; 17, interior view of interarea showing robust dental ridges, MLP8650-139; 19, exterior view of a dorsal valve, MLF8650-198; 20, exterior view of a ventral valve, MLF 8650-147; 21, interior view of a small dorsal valve, MLF8650-114; 9, 18, 22, Ombonia tirolensis (Stache), Tesero Member, Werfen Formation, uppermost Permian, except otherwise indicated all ×2: 9, exterior view of a ventral valve, MLF8650-171; 18, detail of ventral beak with koskinoid perforations, MLF8650-171; 22, interior view of the dorsal cardinal region showing divergent socket plates and short cardinal process, MLF8650-212.

Figure 6. 1 – 8, 10 – 17, 19 – 21, Teserina nerii n. gen. n. sp., Tesero ... Available to Purchase

Published: 01 January 2011
Figure 6. 1 – 8, 10 – 17, 19 – 21, Teserina nerii n. gen. n. sp., Tesero Member, Werfen Formation, uppermost Permian, all ×2 except otherwise indicated: 1 , exterior view of a dorsal valve, MLF8650-111; 2 , exterior view of a ventral valve, MLF8650-182; 3 , exterior views of dorsal valves