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Figure 5. Photos of Early Triassic bivalves. A, Claraia. B, Eumorphotis. C, Promyalina. D, Unionites

Figure 5. Photos of Early Triassic bivalves. A, Claraia . B, Eumorphotis...

Published: 01 August 2007
Figure 5. Photos of Early Triassic bivalves. A, Claraia . B, Eumorphotis . C, Promyalina . D, Unionites
Image
Photographs of Bed 52 at Bianyang section. A) Bivalve lumachelle showing the majority of shells subparallel to bedding. B) Bivalves seen on bedding plane exposure. C) Eumorphotis teilhardi. D) Eumorphotis inaequicostata. E) Thin section of microgastropod packstone.

Photographs of Bed 52 at Bianyang section. A) Bivalve lumachelle showing th...

Published: 01 August 2013
FIGURE 10— Photographs of Bed 52 at Bianyang section. A) Bivalve lumachelle showing the majority of shells subparallel to bedding. B) Bivalves seen on bedding plane exposure. C) Eumorphotis teilhardi . D) Eumorphotis inaequicostata. E) Thin section of microgastropod packstone.
Image
Body fossils of the Dinwoody Formation recognized in this study. 1, Myalinella postcarbonica, right valve, HS, PIMUZ 30523;2, Promyalina spathi, left valve, GV-A-4, PIMUZ 30538;3, Promyalina putiatinensis, right valve, LPA-2, PIMUZ 30528;4, Pteria? ussurica, left valve, GV-A-8, PIMUZ 30540;5, Claraia mulleri, left valve, float at section GV-A, PIMUZ 30539;6, Claraia mulleri, left valve, GV-A-5, PIMUZ 30541;7, Claraia cf. stachei, left valve, LPA-A, PIMUZ 30529;8, Claraia aurita, left valve, CM, PIMUZ 30531;9, Claraia aurita, right valve, CM, PIMUZ 30532;10, Leptochondria occidanea, left valve, LPA-2, PIMUZ 30527;11, Eumorphotis amplicostata, left valve, HP-2L, PIMUZ 30537;12, Eumorphotis amplicostata, left valve, LS-5/b, PIMUZ 30536;13, Eumorphotis multiformis, left valve, LS-7, PIMUZ 30533;14, Eumorphotis multiformis, right valve, LS-7, PIMUZ 30534;15, Eumorphotis cf. ericius, left valve, LS-7, PIMUZ 30535;16, Permophorus bregeri, right valve, HS, PIMUZ 30524;17, Unionites fassaensis, left valve, GV-A-3, PIMUZ 30542;18, Unionites fassaensis, right valve, GV-B-1, PIMUZ 30543;19, Unionites canalensis, left valve, GV-B-2, PIMUZ 30544;20, Neoschizodus laevigatus, right valve, GV-A-5, PIMUZ 30545;21, Dicellonema abrekensisLPA-2, lateral view, PIMUZ 30526;22, Dicellonema abrekensis,, LPA-2, dorsal view, PIMUZ 30526;23, Coelostylina sp. A, HS, PIMUZ 30525;24, Lingula borealis, ventral valve, GV-B-B, PIMUZ 30546; 25, Periallus woodsidensis, dorsal valve, TM-4, PIMUZ 30530. If not otherwise indicated, all scale bars=5 mm.

Body fossils of the Dinwoody Formation recognized in this study. 1 , My...

Published: 01 September 2013
, Claraia aurita , right valve, CM, PIMUZ 30532 ; 10 , Leptochondria occidanea, left valve, LPA-2, PIMUZ 30527 ; 11 , Eumorphotis amplicostata , left valve, HP-2L, PIMUZ 30537 ; 12 , Eumorphotis amplicostata , left valve, LS-5/b, PIMUZ 30536 ; 13 , Eumorphotis multiformis , left valve, LS-7
Journal Article

Quantitative analysis of the ecological dominance of benthic disaster taxa in the aftermath of the end-Permian mass extinction

Elizabeth Petsios, David J. Bottjer
Journal: Paleobiology
Published: 28 April 2016
Paleobiology (2016) 42 (3): 380–393.
DOI: https://doi.org/10.1017/pab.2015.47
.... During the Early Triassic recovery interval, disaster taxa proliferated and numerically dominated many marine benthic invertebrate assemblages. These disaster taxa include the bivalve genera Claraia , Unionites , Eumorphotis , and Promyalina , and the inarticulate brachiopod Lingularia . The exact nature...
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View PDF for article title, Quantitative analysis of the ecological dominance of benthic disaster taxa in the aftermath of the end-Permian mass extinction
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Journal Article

A New Paleoecological Look at the Dinwoody Formation (Lower Triassic, Western USA): Intrinsic Versus Extrinsic Controls on Ecosystem Recovery After the End-Permian Mass Extinction

Richard Hofmann, Michael Hautmann, Hugo Bucher
Published: 01 September 2013
Journal of Paleontology (2013) 87 (5): 854–880.
DOI: https://doi.org/10.1666/12-153
... , Claraia aurita , right valve, CM, PIMUZ 30532 ; 10 , Leptochondria occidanea, left valve, LPA-2, PIMUZ 30527 ; 11 , Eumorphotis amplicostata , left valve, HP-2L, PIMUZ 30537 ; 12 , Eumorphotis amplicostata , left valve, LS-5/b, PIMUZ 30536 ; 13 , Eumorphotis multiformis , left valve, LS-7...
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View PDF for article title, A New Paleoecological Look at the Dinwoody Formation (Lower Triassic, Western USA): Intrinsic Versus Extrinsic Controls on Ecosystem Recovery After the End-Permian Mass Extinction
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Figure 1

Images of the five genera of Early Triassic disaster genera as summarized b...

Published: 28 April 2016
Figure 1 Images of the five genera of Early Triassic disaster genera as summarized by Benton ( 2003 ). (A) Unionites cf. canalensis , (B) Promyalina cf. putiatinensis , (C) Lingularia borealis , (D) Eumorphotis cf. virginensis , and (E) Claraia aurita . Scale
Image
Determined bivalves from the Muć-Ogorje succession. A) Bivalve Claraia sp. from the lower, Dienerian part of the succession. B) Eumorphotis multiformis from the Dienerian part. C) Costatoria sp. and Unionites sp. D) Various Unionites bivalves, and small gregarious nuculids between larger taxa. E) Thin section with Avichlamys sp., upper, Spathian, part of the studied succession.

Determined bivalves from the Muć-Ogorje succession. A ) Bivalve Claraia ...

Published: 31 January 2022
Fig. 7.— Determined bivalves from the Muć-Ogorje succession. A ) Bivalve Claraia sp. from the lower, Dienerian part of the succession. B ) Eumorphotis multiformis from the Dienerian part. C ) Costatoria sp. and Unionites sp. D ) Various Unionites bivalves, and small gregarious
Journal Article

PERMIAN-TRIASSIC BOUNDARY IN THE EASTERN GREAT BASIN AREA

H. J. Bissell
Published: 01 December 1972
Bulletin of Canadian Petroleum Geology (1972) 20 (4): 700–726.
DOI: https://doi.org/10.35767/gscpgbull.20.4.700
..., is reported to contain elements of the Meekoceras Zone. The lower 170 to 350 ft of the Virgin Member west of Las Vegas, Nevada contain mostly a bivalve fauna, dominated by such forms as Permophorus, Promyaliana, Monotis, Eumorphotis, and Gervilleia. At one horizon 170 ft above the base of the Virgin...
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Brachiopods, bivalves, and gastropods from the Jianzishan section. The scale bar is 2 mm. (A–D) Sinolingularia sp. indet.; (A) from JZS-6+0.02; (B) from JZS-6+0.3; (C) from JZS- 6+0.9; (D) from JZS-10+0.3; (E) Crurithyris sp. indet., from JZS-6+1.9; (F) a—Crurithyris sp. indet., b—?Pseudomurchisonia sp. indet., from JZS-6+1.9; (G) a—Pteria ussurica variabilis Chen and Lan inGu et al. (1976), left valve; b—Crurithyris sp. indet., from JZS-6+1.75; (H) Pteria ussurica variabilis Chen and Lan inGu et al. (1976), left valve, external mold, from JZS-6+1.75; (I) Pteria ussurica variabilis Chen and Lan inGu et al. (1976), left valve, from JZS-6+1.75; (J) Eumorphotis sp. indet., left valve, from JZS-6+1.75; (K) Eumorphotis sp. indet., right valve, from JZS-6+1.7; (L) Pteria ussurica variabilis Chen and Lan inGu et al. (1976), right valve, from JZS-6+1.75; (M) Pteria ussurica variabilis Chen and Lan in Gu et al. (1976), right valve, from JZS-6+1.75.

Brachiopods, bivalves, and gastropods from the Jianzishan section. The scal...

Published: 28 June 2018
variabilis Chen and Lan in Gu et al. (1976) , left valve, from JZS-6+1.75; (J) Eumorphotis sp. indet., left valve, from JZS-6+1.75; (K) Eumorphotis sp. indet., right valve, from JZS-6+1.7; (L) Pteria ussurica variabilis Chen and Lan in Gu et al. (1976) , right valve, from JZS-6+1.75; (M) Pteria
Journal Article

BIOSTRATIGRAPHY OF TRIASSIC DEPOSITS OF SVALBARD

M. V. Korchinskaya
Published: 01 December 1972
Bulletin of Canadian Petroleum Geology (1972) 20 (4): 742–749.
DOI: https://doi.org/10.35767/gscpgbull.20.4.742
... ; Arctoceras blametrandi, Euflemingites of . cirratus, u cr.)Prosphingites spathi, Posidonia mimer Sverdrupi Eumorphotis mult7.formis ZI , W Z Candidus "- ® Strigatus Eumorphotis multifornis, Proptychites of . Ophiceras sp. ind.,Koninekite crosenkrantzi , Z Proptychites Commune timorensis, Claraia of . stache...
View PDF for article title, BIOSTRATIGRAPHY OF TRIASSIC DEPOSITS OF SVALBARD
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Benthic associations recognized in the Dinwoody data set showing frequencies of identified fossils, the trophic nucleus, guild species diversity based on the number of species representing benthic guilds (large pie charts) as well as absolute abundance of guilds (small piecharts). These diagrams are based on merged samples that were grouped into one association in the cluster algorithm. 1, Unionites fassaensis association; 2, Unionites fassaensis-Pteria ussurica association; 3, Unionites fassaensis-Lingula borealis association; 4, Eumorphotis multiformis association; 5, Pteria ussurica association; 6, Lingula borealis association; 7, Leptochondria occidanea association.

Benthic associations recognized in the Dinwoody data set showing frequencie...

Published: 01 September 2013
). These diagrams are based on merged samples that were grouped into one association in the cluster algorithm. 1 , Unionites fassaensis association; 2 , Unionites fassaensis-Pteria ussurica association; 3 , Unionites fassaensis-Lingula borealis association; 4 , Eumorphotis multiformis association; 5
Journal Article

CHANGES IN ENVIRONMENTAL CONDITIONS, BIOTA, AND DEPOSITIONAL PATTERNS WITHIN LOWER TRIASSIC CLASTIC AND CARBONATE DEPOSITS, MUĆ-OGORJE, CENTRAL DALMATIA (CROATIA)

KARMEN FIO FIRI, KATARINA GOBO, JASENKA SREMAC, FRANE MARKOVIĆ
Journal: PALAIOS
Published: 31 January 2022
PALAIOS (2022) 37 (1): 16–33.
DOI: https://doi.org/10.2110/palo.2020.082
...Fig. 7.— Determined bivalves from the Muć-Ogorje succession. A ) Bivalve Claraia sp. from the lower, Dienerian part of the succession. B ) Eumorphotis multiformis from the Dienerian part. C ) Costatoria sp. and Unionites sp. D ) Various Unionites bivalves, and small gregarious...
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View PDF for article title, CHANGES IN ENVIRONMENTAL CONDITIONS, BIOTA, AND DEPOSITIONAL PATTERNS WITHIN LOWER TRIASSIC CLASTIC AND CARBONATE DEPOSITS, MUĆ-OGORJE, CENTRAL DALMATIA (CROATIA)
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Journal Article

Rapid biotic rebound during the late Griesbachian indicates heterogeneous recovery patterns after the Permian-Triassic mass extinction

Xu Dai, Haijun Song, Paul B. Wignall, Enhao Jia, Ruoyu Bai, Fengyu Wang, Jing Chen, Li Tian
Journal: GSA Bulletin
Published: 28 June 2018
GSA Bulletin (2018) 130 (11-12): 2015–2030.
DOI: https://doi.org/10.1130/B31969.1
... variabilis Chen and Lan in Gu et al. (1976) , left valve, from JZS-6+1.75; (J) Eumorphotis sp. indet., left valve, from JZS-6+1.75; (K) Eumorphotis sp. indet., right valve, from JZS-6+1.7; (L) Pteria ussurica variabilis Chen and Lan in Gu et al. (1976) , right valve, from JZS-6+1.75; (M) Pteria...
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View PDF for article title, Rapid biotic rebound during the late Griesbachian indicates heterogeneous recovery patterns after the Permian-Triassic mass extinction
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Journal Article

UPPERMOST PERMIAN TO LOWER TRIASSIC CONODONTS AT BIANYANG SECTION, GUIHZOU PROVINCE, SOUTH CHINA

CHUNBO YAN, LINA WANG, HAISHUI JIANG, PAUL B WIGNALL, YADONG SUN, YANLONG CHEN, XULONG LAI
Journal: PALAIOS
Published: 01 August 2013
PALAIOS (2013) 28 (8): 509–522.
DOI: https://doi.org/10.2110/palo.2012.p12-077r
...FIGURE 10— Photographs of Bed 52 at Bianyang section. A) Bivalve lumachelle showing the majority of shells subparallel to bedding. B) Bivalves seen on bedding plane exposure. C) Eumorphotis teilhardi . D) Eumorphotis inaequicostata. E) Thin section of microgastropod packstone. ...
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View PDF for article title, UPPERMOST PERMIAN TO LOWER TRIASSIC CONODONTS AT BIANYANG SECTION, GUIHZOU PROVINCE, SOUTH CHINA
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BIBLIOGRAPHY OF THESES

Published: 01 June 1975
Bulletin of Canadian Petroleum Geology (1975) 23 (2): 340–348.
DOI: https://doi.org/10.35767/gscpgbull.23.2.340
... and related rocks . Van Peteghem, J . K., 1961, Studies pertaining to the mineral chemistr y of sodalite, nosean and hauyne . Verma, H. M ., 1968, Upper Triassic Eumorphotis and Meleegiinella (Bivalvia) from British Columbia . BIBLIOGRAPHY OF THESES 34 5 Warry, N . D., 1972, Formation of ferric phosphate...
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Journal Article

When bivalves took over the world

Margaret L. Fraiser, David J. Bottjer
Journal: Paleobiology
Published: 01 August 2007
Paleobiology (2007) 33 (3): 397–413.
DOI: https://doi.org/10.1666/05072.1
...Figure 5. Photos of Early Triassic bivalves. A, Claraia . B, Eumorphotis . C, Promyalina . D, Unionites ...
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Journal Article

Triassic Deposits from the Afghan Part of Tethys and their Correlation with the Triassic of the Soviet Union [Abstract]

V. I. Slavin
Published: 01 June 1971
Bulletin of Canadian Petroleum Geology (1971) 19 (2): 356–357.
DOI: https://doi.org/10.35767/gscpgbull.19.2.356
...- plete the succession . The thickest Triassic sequence totalling over 6,000 m (approximatel y 19,680 ft), has been described by Mikhailov and others from the wester n part of the central zone, north-east of Herat . Lower Triassic limestones , siltstones and sandstones, with species of Eumorphotis...
View PDF for article title, Triassic Deposits from the Afghan Part of Tethys and their Correlation with the Triassic of the Soviet Union [Abstract]
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Journal Article

PALEOECOLOGICAL ANALYSIS OF BENTHIC RECOVERY AFTER THE LATE PERMIAN MASS EXTINCTION EVENT IN EASTERN LOMBARDY, ITALY

WILLIAM J. FOSTER, SILVIA DANISE, GREGORY D. PRICE, RICHARD J. TWITCHETT
Journal: PALAIOS
Published: 12 June 2018
PALAIOS (2018) 33 (6): 266–281.
DOI: https://doi.org/10.2110/palo.2017.079
... Marco Member, CD-01. N ) Costatoria costata , Myophoria Beds Member, CD-39. O ) cf. Eumorphotis spp., Gastropod Oolite Member, CD-11. P ) cf. Scythentolium sp., Myophoria Beds Member, MR-03. Q ) Lingularia spp., Gastropod Oolite Member, CD-05. To improve the stratigraphic...
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Fossil invertebrates from polished slabs of the Servino Formation. A) Coelostylina werfensis, Acquaseria Member, CD-12. B) Polygrina sp., Ca'San Marco Member, MR-01. C, D) Gastropod sp. A, Gastropod Oolite Member, CD-07. E) cf. Allocosmia sp., Myophoria Beds Member, CD-25. F) Natiria costata, Myophoria Beds Member, CD-43. G) Microconchus sp., Gastropod Oolite Member, CD-08. H) Holocrinus, Myophoria Beds Member, CD-42. I) Ophiuroidea, Acquaseria Member, CD-16. J) Neoschizodus spp., Myophoria Beds Member, CD-39. K) Bivalve sp. A, Gastropod Oolite Member, CD-10. L) Austrotindaria spp., Myophoria Beds Member, CD-43. M) cf. Bakevellia spp., Ca'San Marco Member, CD-01. N) Costatoria costata, Myophoria Beds Member, CD-39. O) cf. Eumorphotis spp., Gastropod Oolite Member, CD-11. P) cf. Scythentolium sp., Myophoria Beds Member, MR-03. Q) Lingularia spp., Gastropod Oolite Member, CD-05.

Fossil invertebrates from polished slabs of the Servino Formation. A ) Co...

Published: 12 June 2018
Oolite Member, CD-10. L ) Austrotindaria spp., Myophoria Beds Member, CD-43. M ) cf. Bakevellia spp., Ca'San Marco Member, CD-01. N ) Costatoria costata , Myophoria Beds Member, CD-39. O ) cf. Eumorphotis spp., Gastropod Oolite Member, CD-11. P ) cf. Scythentolium sp., Myophoria
Journal Article

Early Triassic Ophiuroids: Their Paleoecology, Taphonomy, and Distribution

RICHARD J. TWITCHETT, JOSHUA M. FEINBERG, O'CONNOR DIANE D, WALTER ALVAREZ, LINDA B. MCCOLLUM
Journal: PALAIOS
Published: 01 June 2005
PALAIOS (2005) 20 (3): 213–223.
DOI: https://doi.org/10.2110/palo.2004.p04-30
... —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...
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