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1-20 OF 103 RESULTS FOR
Ancyrochitina
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Journal Article
Functional interpretation of the sacs of Ancyrochitina fragilis Eisenack, and the paleobiology of the ancyrochitinids
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 July 1972
Journal of Paleontology (1972) 46 (4): 499–502.
...Michael S. Chaiffetz Abstract Chitinozoa, Ancyrochitina fragilis, flotation organs, Waldron Shale (Silurian), Nelson County, Kentucky GeoRef, Copyright 2004, American Geological Institute. 1972 ...
Image
Selected chitinozoans from the Long Mountain Succession. (a) Ancyrochitina...
in Chitinozoan biostratigraphy of the Silurian Wenlock–Ludlow boundary succession of the Long Mountain, Powys, Wales
> Geological Magazine
Published: 26 June 2015
Figure 8. Selected chitinozoans from the Long Mountain Succession. (a) Ancyrochitina
ansarviensis ?; Upper Heldre section, VP-142. (b) Ancyrochitina sp. B; Upper Heldre section, VP-142. (c) Belonechitina sp. A; Middle Heldre section, VP-170. (d) Eisenackitina sp. F; Middle
Image
figs 1-5. Ancyrochitina sp. C: 1 , 115×70×25, specimen C2078, sample K2....
in Chitinozoans and the age of the Soom Shale, an Ordovician black shale Lagerstätte, South Africa
> Journal of Micropalaeontology
Published: 01 May 2009
Explanation of Plate 4. figs 1-5. Ancyrochitina sp. C: 1 , 115×70×25, specimen C2078, sample K2.0; 2, 120×70×25, specimen C2079, sample K2.0; 3, 110×65×25 specimen C2080, sample K2.0; 4, 130 × 65 × 30, specimen C2081, sample K2.0; 5, 125 × 70 × 28, specimen C2082, sample K2.0. figs 6, 8
Image
Chitinozoans from the São Domingos (A-B, D, F, I) and “Lima” (C, E, G-H) f...
in MIDDLE AND UPPER DEVONIAN CHITINOZOAN BIOSTRATIGRAPHY OF THE PARANÁ BASIN IN BRAZIL AND PARAGUAY
> Palynology
Published: 01 January 2002
PLATE 6 Chitinozoans from the São Domingos (A-B, D, F, I) and “Lima” (C, E, G-H) formations. The scale bars represent 100 μm.
A Ancyrochitina aff. A. morzadeci Paris 1981 . Well 2-AG-1-MT, cuttings.
B Ancyrochitina aff. A. morzadeci Paris 1981 . Well 2-AG-1-MT, cuttings.
C
Image
Chitinozoans from the São Domingos (A-H) and “Lima” (I) formations. The sc...
in MIDDLE AND UPPER DEVONIAN CHITINOZOAN BIOSTRATIGRAPHY OF THE PARANÁ BASIN IN BRAZIL AND PARAGUAY
> Palynology
Published: 01 January 2002
Ancyrochitina frankeli Wright 1976 . Well 1-R-1-PR, core 16.
D Ancyrochitina frankeli Wright 1976 . Well 1-R-1-PR, core 16.
E Ancyrochitina morzadeci Paris 1981 . Well 2-AG-1-MT, cuttings.
F Ancyrochitina simplex n.sp. Well 2-JA-1-GO, cuttings.
G Ancyrochitina varispinosa ( Lange 1967b ). Well 2-AG
Image
Chitinozoans from the São Domingos Formation. The scale bars represent 100...
in MIDDLE AND UPPER DEVONIAN CHITINOZOAN BIOSTRATIGRAPHY OF THE PARANÁ BASIN IN BRAZIL AND PARAGUAY
> Palynology
Published: 01 January 2002
PLATE 1 Chitinozoans from the São Domingos Formation. The scale bars represent 100 μm.
A Ancyrochitina 121b Lange, 1967a . Well RSP-1-MT, level 299.35 m.
B Ancyrochitina postdesmea Grahn, 2002 . Well RSP-1-MT, level 315.50 m.
C Ancyrochitina simplex n.s p. Well RSP-1-MT, level 348.00
Image
Chitinozoans from the São Domingos (A–C, F–I) and “Lima” (D–E) formations....
in MIDDLE AND UPPER DEVONIAN CHITINOZOAN BIOSTRATIGRAPHY OF THE PARANÁ BASIN IN BRAZIL AND PARAGUAY
> Palynology
Published: 01 January 2002
PLATE 8 Chitinozoans from the São Domingos (A–C, F–I) and “Lima” (D–E) formations. The scale bars represent 100 μm.
A Ramochitina sp. C. Well 2-AG-1-MT, core 13.
B Ancyrochitina langei Sommer and van Boekel 1964 . Well 2-JA-1-GO, core 27.
C Ancyrochitina langei Sommer and van Boekel
Journal Article
MIDDLE AND UPPER DEVONIAN CHITINOZOAN BIOSTRATIGRAPHY OF THE PARANÁ BASIN IN BRAZIL AND PARAGUAY
Journal: Palynology
Publisher: AASP -The Palynological Society
Published: 01 January 2002
Palynology (2002) 26 (1): 135–165.
...PLATE 6 Chitinozoans from the São Domingos (A-B, D, F, I) and “Lima” (C, E, G-H) formations. The scale bars represent 100 μm.
A Ancyrochitina aff. A. morzadeci Paris 1981 . Well 2-AG-1-MT, cuttings.
B Ancyrochitina aff. A. morzadeci Paris 1981 . Well 2-AG-1-MT, cuttings.
C...
Image
Llandoverian Chitinozoa from the Paraná Basin. All specimens are from well...
in SILURIAN AND LOWER DEVONIAN CHITINOZOAN BIOSTRATIGRAPHY OF THE PARANÁ BASIN IN BRAZIL AND PARAGUAY
> Palynology
Published: 01 January 2000
PLATE 1 Llandoverian Chitinozoa from the Paraná Basin. All specimens are from well RD-116.
1 Ancyrochitina ancyrea (Eisenack 1931), level 236.85 m, SEM x320.
2 Ancyrochitina paranaensis n. sp., Holotype, level 193.85 m, SEM x195.
3 Angochitina sp. A sensu Grahn and Paris 1992 , level
Image
Middle and Late Devonian chitinozoan ranges, and chitinozoan and miospore b...
in MIDDLE AND UPPER DEVONIAN CHITINOZOAN BIOSTRATIGRAPHY OF THE PARANÁ BASIN IN BRAZIL AND PARAGUAY
> Palynology
Published: 01 January 2002
Text-Figure 13. Middle and Late Devonian chitinozoan ranges, and chitinozoan and miospore biozones from the Paraná Basin of Brazil and Paraguay. 1 = concurrent range zone of Alpenachitina eisenacki and Spinachitina biconstricta . 2 = interval range zone of Ancyrochitina taouratinensis . 3
Journal Article
SILURIAN AND LOWER DEVONIAN CHITINOZOAN BIOSTRATIGRAPHY OF THE PARANÁ BASIN IN BRAZIL AND PARAGUAY
Journal: Palynology
Publisher: AASP -The Palynological Society
Published: 01 January 2000
Palynology (2000) 24 (1): 147–176.
...PLATE 1 Llandoverian Chitinozoa from the Paraná Basin. All specimens are from well RD-116.
1 Ancyrochitina ancyrea (Eisenack 1931), level 236.85 m, SEM x320.
2 Ancyrochitina paranaensis n. sp., Holotype, level 193.85 m, SEM x195.
3 Angochitina sp. A sensu Grahn and Paris 1992 , level...
Journal Article
Ordovician and Silurian chitinozoan biozones of western Gondwana
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 01 July 2006
Geological Magazine (2006) 143 (4): 509–529.
... cf. C. serrata (= C. aff. C. serrata ), Ancyrochitina sp. and Angochitina sp. were mentioned by Gray et al. (1992) . Two additional shallow borings (269-R1 and 269-R2), yielding essentially the same fauna as described by Grahn, Pereira & Bergamaschi (2000) , were discussed by P...
Journal Article
Preliminary palynological study of the Upper Ordovician Pin Formation in northern Indian Himalaya
Journal: Palynology
Publisher: AASP -The Palynological Society
Published: 22 April 2021
Palynology (2021) 45 (2): 301–319.
... bars: 20 μm. 1–12. Ancyrochitina cf. A. merga (Jenkins 1970 ). 1. 184.89-16; 2. 184.89-163; 3. 184.89-184; 4. 184.89-169; 5. 184.89-34; 6. 184.89-162; 7. 184.89-86; 8. 184.89-2; 9. 184.89-177; 10. 184.89-164; 11. 184.89-4; 12. 184.89-25. 13–16. Saharochitina ? sp. 13. 184.89-200; 14. 87.3-173...
Journal Article
Chitinozoans and the age of the Soom Shale, an Ordovician black shale Lagerstätte, South Africa
THIJS R. A. VANDENBROUCKE, SARAH E. GABBOTT, FLORENTIN PARIS, RICHARD J. ALDRIDGE, JOHANNES N. THERON
Journal: Journal of Micropalaeontology
Publisher: Geological Society of London
Published: 01 May 2009
Journal of Micropalaeontology (2009) 28 (1): 53–66.
...Explanation of Plate 4. figs 1-5. Ancyrochitina sp. C: 1 , 115×70×25, specimen C2078, sample K2.0; 2, 120×70×25, specimen C2079, sample K2.0; 3, 110×65×25 specimen C2080, sample K2.0; 4, 130 × 65 × 30, specimen C2081, sample K2.0; 5, 125 × 70 × 28, specimen C2082, sample K2.0. figs 6, 8...
Image
Chitinozoans from the São Domingos Formation. The scale bars represent 100...
in MIDDLE AND UPPER DEVONIAN CHITINOZOAN BIOSTRATIGRAPHY OF THE PARANÁ BASIN IN BRAZIL AND PARAGUAY
> Palynology
Published: 01 January 2002
PLATE 2 Chitinozoans from the São Domingos Formation. The scale bars represent 100 μm.
A Plectochitina sp. A. Well RSP-1-MT, level 254.30 m.
B Ramochitina 122 b Lange 1967a . Well RSP-1-MT, level 249.00 m.
C Ancyrochitina taouratinensis Boumendjel 1985 . Well RSP-1-MT, level 249.00 m
Image
Llandoverian and early Devonian Chitinozoa from the Paraná Basin. 1 Ancy...
in SILURIAN AND LOWER DEVONIAN CHITINOZOAN BIOSTRATIGRAPHY OF THE PARANÁ BASIN IN BRAZIL AND PARAGUAY
> Palynology
Published: 01 January 2000
PLATE 5 Llandoverian and early Devonian Chitinozoa from the Paraná Basin.
1 Ancyrochitina sp. B, Tibaji–Telêmaco Borba section, level ca. 63.5 m, SEM x345.
2 Ancyrochitina parisi Volkheimer, Melendi and Salas 1986 , Tibaji–Telêmaco Borba section, level ca. 64.5 m, SEM x370.
3
Journal Article
Biostratigraphy and palaeogeographic implications of Ordovician and Silurian chitinozoa from the High Zagros Mountains, Northern Persian Gulf, Iran
Journal: Palynology
Publisher: AASP -The Palynological Society
Published: 28 April 2023
Palynology (2023) 47 (2): 2149631.
... to establish the Eremochitina brevis, Desmochitina ornensis, Belonechitina henryi, Siphonochitina formosa, Belonechitina robusta , Tanuchitina fistulosa , Acanthochitina barbata , Armoricochitina nigerica , Ancyrochitina merga , Tanuchitina elongata , Spinachitina oulebsiri, and Spinachitina fragilis biozones...
Image
Figures 1, 5; 2, 6; 3, 7. Hyalochitina jajarmensis Ghavidel-Syooki 2017c...
in The biostratigraphy and palaeobiogeography of Cambrian and Ordovician acritarchs and chitinozoa from the Simeh-Kuh, NW Damghan City, the Alborz Mountains, northern Iran
> Palynology
Published: 14 October 2024
Plate 4. Figures 1, 5; 2, 6; 3, 7. Hyalochitina jajarmensis Ghavidel-Syooki 2017c ; figures 4, 8; 9; 10, 11. Ancyrochitina onniensis Jenkins 1967 ; figures 12; 13, 17; 14, 18; 15, 19. Fungochitina spinifera Eisenack 1962 ); figures 16, 20. Eisenackitina rhenana (Eisenack 1939
Journal Article
Subsurface Section from Portuguese Guinea Dated by Palynomorphs as Middle Silurian
Journal: AAPG Bulletin
Publisher: American Association of Petroleum Geologists
Published: 01 November 1972
AAPG Bulletin (1972) 56 (11): 2271–2272.
... characteristics for usefulness for stratigraphic purposes, e.g., such forms as Angochitina (ex- Sphaerochitina ) sphaerocephala. (1) Complex including Ancyrochitina fragilis regularis Taugourdeau and de Jekhowsky, 1960, and A.f. brevis Taugourdeau and de Jekhowsky, 1960; (2) Angochitina eisenacki...
Journal Article
Chitinozoan biostratigraphy of the Silurian Wenlock–Ludlow boundary succession of the Long Mountain, Powys, Wales
THOMAS STEEMAN, THIJS R. A. VANDENBROUCKE, MARK WILLIAMS, JACQUES VERNIERS, VINCENT PERRIER, DAVID J. SIVETER, JAMES WILKINSON, JAN ZALASIEWICZ, POUL EMSBO
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 26 June 2015
Geological Magazine (2016) 153 (1): 95–109.
...Figure 8. Selected chitinozoans from the Long Mountain Succession. (a) Ancyrochitina
ansarviensis ?; Upper Heldre section, VP-142. (b) Ancyrochitina sp. B; Upper Heldre section, VP-142. (c) Belonechitina sp. A; Middle Heldre section, VP-170. (d) Eisenackitina sp. F; Middle...
1