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Parachirognathus

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Journal Article
Published: 01 May 2019
Journal of Paleontology (2019) 93 (3): 496–511.
... . hamadai (Koike), Parafurnishius xuanhanensis Yang et al., and the genera Pachycladina Staesche, Parachirognathus Clark, and Hadrodontina Staesche have also been recovered from Dienerian to Smithian strata at Yiwagou Section. Three conodont zones are established, in ascending order: Eurygnathodus costatus...
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Journal Article
Journal: PALAIOS
Published: 01 August 2013
PALAIOS (2013) 28 (8): 509–522.
...; Neospathodus dieneri Zone; Neospathodus cristagalli Zone; Discretella discreta Zone; Pachycladina-Parachirognathus assemblage zone; Icriospathodus collinsoni Zone; Triassospathodus homeri Zone. This allowed the Permian-Triassic boundary (PTB) to be defined in the section based on the first occurrence...
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Uppermost Permian to Lower Triassic columnar section and conodont ranges at...
Published: 01 August 2013
.  =  Neospathodus , Ng .  =  Neogondolella , C.  =  Clarkina , Pc .  =  Pachycladina , Pa .  =  Parachirognathus , Nv .  =  Novispathodus , Tr .  =  Triassospathodus ).
Series: GSA Special Papers
Published: 01 January 1984
DOI: 10.1130/SPE196-p283
... analyses using six conodont entities indicate the presence of three distinctive biofacies related to the general environmental gradient. The restricted inner shelf is characterized by Parachirognathus . The outer shelf is distinguished by a diverse conodont fauna including Furnishius . Basinward, the low...
Journal Article
Published: 01 March 1959
Journal of Paleontology (1959) 33 (2): 305–312.
... and below this time marker. Two new genera, Parachirognathus and Furnishius, and new species of Gondolella, Prioniodina, and Hindeodella ar described. GeoRef, Copyright 2004, American Geological Institute. Reference includes data from Bibliography and Index of North American Geology, U. S. Geological...
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SEM photos of conodonts obtained from the Yiwagou Section. ( 1–6 )  Novispa...
Published: 01 May 2019
, registration nos. ZLS17030042, 17030043. ( 11, 12 ) Parachirognathus n. sp. A, from sample ZLS-82, registration nos. ZLS17082001, 17082002. ( 13 ) Pachycladina obliqua Staesche, 1964 , S 2 element, from sample ZLS-42, registration no. ZLS17042001. ( 14–19 ) Pachycladina qinlingensis Lai, 1992 : ( 14
Journal Article
Journal: Geology
Published: 01 April 2013
Geology (2013) 41 (4): 399–402.
... biostratigraphic control and uncertainty in ranges of conodonts Merrillina and Parachirognathus allow for the excursion to be as old as Middle Permian (late Guadalupian) or as young as Early Triassic (Smithian). Published Middle Permian to Early Triassic δ 13 C curves for the Tethys (e.g., Xie et al., 2007...
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SEM photos of conodonts obtained from the Yiwagou Section. ( 1–7 )  Pachycl...
Published: 01 May 2019
) Pachycladina obliqua : ( 8 ) M element, from sample ZLS-95, registration no. ZLS17095001; ( 9 ) S 3–4 elements, from sample ZLS-96, registration no. ZLS17096001; ( 10 ) S 1 element, from sample ZLS-98, registration no. ZLS17098003. ( 11 ) Parachirognathus delicatulus Wang and Cao, 1981 , S 1 element
Journal Article
Journal: Geology
Published: 01 August 2013
Geology (2013) 41 (8): 823–826.
... Neospathodus , Triassospathodus , and Novispathodus , with a small quantity of Neogondolella , Gladigondolella , Pachycladina , and Parachirognathus elements. The 23 samples with the most abundant Neospathodus , Triassospathodus , and Novispathodus P 1 elements were selected for conodont size...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 27 June 2019
Lithosphere (2019) 11 (5): 683–696.
...-Hadrodontina-Parachirognathus were recognized from north Qiangtang ( Xia and Zhang, 2005 ) ( Fig. 7 ). The Late Olenekian Triasspathodus homeri- Triasspathodus triangularis fauna occur in both Qiangtang and the BNSZ. The Pachycladina - Hadrodontina-Parachirognathus fauna in North Qiangtang is also...
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SEM photos of conodonts from the Lower Triassic strata of the Bianyang sect...
Published: 01 August 2013
, CC) lower view, DD) lateral view, BY24024, from Bed 51 of Luolou Formation, BY70059. EE) Pachycladina obliqua Staesche, 1964, lateral view, from Bed 52 of Luolou Formation, BYC24026. FF) Parachirognathus geiseri Clark, 1959, lateral view, from Bed 52 of Luolou Formation, BY24012. GG
Journal Article
Published: 19 July 2019
Journal of the Geological Society (2019) 176 (6): 1232–1246.
... ZM-028; 21, Neospathodus pakistanensis   Sweet, 1970 : lateral view, from sample ZM-028; 22, Euryganathodus hamadai ( Koike, 1982 ): oral view, from sample ZM-028; 23, Neospathodus novaehollandiae   McTavish, 1973 : oral view, from sample ZM-028; 24, Parachirognathus peculiaris   Zhang & Guo...
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SEM photographs of the key elements of conodonts from the Motianling sectio...
Published: 19 July 2019
sample ZM-028; 22, Euryganathodus hamadai ( Koike, 1982 ): oral view, from sample ZM-028; 23, Neospathodus novaehollandiae   McTavish, 1973 : oral view, from sample ZM-028; 24, Parachirognathus peculiaris   Zhang & Guo, 1991 : lateral view, from sample ZM-028; 25, Novispathodus waageni waageni
Journal Article
Journal: GSA Bulletin
Published: 16 August 2018
GSA Bulletin (2019) 131 (1-2): 235–251.
... in age, based on the presence of the bivalves Eobuchia punjabiensis, Crittendenia decidens, Gervillia pannonica , Eumorphotis inaequicostata , and Entolium discites , and the conodonts Parachirognathus symmetricus tridentatus , P. magnus , P. chiroformis , P. symmetricus tridentatus...
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Journal Article
Published: 20 December 2002
Canadian Journal of Earth Sciences (2002) 39 (12): 1767–1782.
... biofacies and provincialism . Edited by Clark D.L. . Geological Society of America , Special Paper 196, pp.  283 – 293 . Clark D.L. Rosser S.V. 1976 . Analysis of paleoecologic factors associated with the Triassic Parachirognathus / Furnishius conodont fauna in Utah and Nevada...
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Journal Article
Journal: PALAIOS
Published: 12 June 2018
PALAIOS (2018) 33 (6): 266–281.
... Gastropod Oolite and Acquaseria Members of the Servino Formation ( Twitchett 2000 ). This assemblage indicates correlation with the Smithian Parachirognathus–Furnishius Conodont Zone ( Sweet et al. 1971 ; Twitchett 2000 ; Aljinović et al. 2006 , 2011 ). The Myophoria Beds Member records the first...
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Journal Article
Journal: PALAIOS
Published: 01 September 2015
PALAIOS (2015) 30 (9): 714–727.
... ). In the Olenekian, oolitic beds are found at the Svilajia Mountain section in Croatia. The late Smithian age is determined by the occurrences of Pachycladina oblique and Parachirognathus ethingtoni ( Jelaska et al. 2003 ). The oolite of the Eros Limestone, which is found from the Zakoni Mountain section...
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Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2417
... , Pleuranectites sp., Pseudospidites sp., Pseudowenites oxynostus ?, Subcolumbites sp., Tirolites cf. spinosis Conodonts: Neospathodus triangularis , Parachirognathus delicatulus Published values for the duration of the Olenekian stage agree on 4.7 m.y. ( Ogg, 2004 , p. 283; Haq et al., 1988...