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Helminthoida

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Ichnofossils from the Abad Member, Vera Basin. (a)  <b>Helminthoida</b> labyrinthi...
Published: 12 April 2017
Figure 8. Ichnofossils from the Abad Member, Vera Basin. (a) Helminthoida labyrinthica (Hl) and Paleodictyon miocenicum (Pmi) preserved in convex hyporelief on the base of a 1.8 cm thick, medium-grained sandstone. (b) Phycodes bilix (Ph) and Palaeophycus tabularis preserved in convex
Journal Article
Journal: AAPG Bulletin
Published: 01 May 1980
AAPG Bulletin (1980) 64 (5): 690.
...C. Kent Chamberlain ABSTRACT Members of the Nereites family consist of a median backfilled structure and lateral-worked-areas. The current, senior synonyms (Häntzschel, 1975) are Nereites MacLeay 1839, Helminthoida Schäfhautl 1851, Phyllodocites Geinitz 1867, Scalarituba Weller 1899, Neonereites...
Journal Article
Published: 01 March 1986
Journal of Sedimentary Research (1986) 56 (2): 294–306.
...-Muensteria-Rhizocorallium ; Facies II (alternating calcarenite and thin-bedded shale), Chondrites-Muensteria-Zoophycos ; Facies III (thin-bedded siliciclastic sandstone), Zoophycos-Helminthoida-Palaeophycus ; Facies IV (alternating siliciclastic sandstone and shale), Zoophycos-Helminthoida-Phycosiphon...
Journal Article
Published: 01 September 1980
Canadian Journal of Earth Sciences (1980) 17 (9): 1259–1270.
... , Cochlichnus , Cosmorhaphe , Diplichnites , Fucusopsis , Glockeria , Gyrochorte , Helminthoida , Helminthopsis , Neonereites , Paleodictyon , Planolites , Protopaleodictyon , Scalarituba , Spirodesmos , Spirorhaphe , and Taenidium . The stratigraphic range of six ichnogenera, viz. Glockeria , Gyrochorte...
Journal Article
Published: 01 September 1977
Journal of Sedimentary Research (1977) 47 (3): 1261–1286.
...; Helminthoida -like trace fossil; presence of slump structures and mass-flow deposits: Caballos is under and overlaid by deep-water formations; vertical sequences in Caballos of novaculite-radiolarian chert-red shale resembles the vertical sequence of oceanic deposits off spreading ridges (calcareous ooze...
Image
Stratigraphic distribution of Ediacaran body fossils and trace fossils at S...
Published: 01 March 2015
, 2014 ; this paper). The ichnogenus Helminthoida is used informally in the sense of Carbone and Narbonne ( 2014 ).
Image
Characteristics of lithofacies A. (A) Succession with alternations of thin ...
Published: 13 January 2020
(Fuping section). (D) Dark grey mudstone interbedded with sandstone (Longxian section). (E) Trace fossils ( Helminthoida ) on the lower bedding plane of a sandstone layer (Longxian section). For locations see Fig. 3 . [Colour online.]
Image
—Cores of siltstone, Bell Canyon Formation. (A) Core slab of laminated silt...
Published: 01 March 1988
Figure 5 —Cores of siltstone, Bell Canyon Formation. (A) Core slab of laminated siltstone typical of subsurface. Note similarity to outcrop ( Figure 4A ). (B) Organic-rich clayey siltstone. TOC typically is 3.5-5.0% in this lithology. (C) Carbonized crawling or browsing traces ( Helminthoida
Image
Relative frequencies of the ichnogenera from the Abad Member of the Vera Ba...
Published: 12 April 2017
Table 1. Relative frequencies of the ichnogenera from the Abad Member of the Vera Basin   Location Ichnogenus I II III IV Circulichnis x x Desmograpton xxx x Glockerichnus x Helminthoida x x xx x Helminthopsis x x
Image
FIGURE 3 —Trace fossils of the Cerro Toro Formation in thick-to-thin-bedded...
Published: 01 April 2008
FIGURE 3 —Trace fossils of the Cerro Toro Formation in thick-to-thin-bedded turbidites largely deposited in channel-overbank settings. A) Chondrites isp. (9 mm wide pencil). B) Helminthoida isp. C–D) Unidentified burrows on the soles of turbidite beds. E) Large Chondrites isp. F) Skolithos
Image
Microbial grazing burrows.  1 , micropustular textures with undirected hori...
Published: 01 March 2014
; strong parallelism in burrows implies broad-scale meanders larger than the size of the sample, representing fragments of ‘ Helminthoida' ROM 62556, locality SBS; 4 , curved and contorted burrow Planolites montanus in hyporelief from the lower Blueflower Formation showing positive and negative relief
Journal Article
Published: 12 April 2017
Geological Magazine (2018) 155 (6): 1277–1304.
...Figure 8. Ichnofossils from the Abad Member, Vera Basin. (a) Helminthoida labyrinthica (Hl) and Paleodictyon miocenicum (Pmi) preserved in convex hyporelief on the base of a 1.8 cm thick, medium-grained sandstone. (b) Phycodes bilix (Ph) and Palaeophycus tabularis preserved in convex...
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Relative frequencies of the ichnospecies from the Abad Member of the Vera B...
Published: 12 April 2017
alata x Helminthoida labyrinthica x x xx x Helminthopsis tenuis x x Mammillichnis aggeris ? x Palaeophycus herberti x serratus x tabularis xxxxxx xxxxxx xxx Paleodictyon ( Glenodictyon ) maximum
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Ichnofossils associated with Lithofacies Association A of the Bidouw Subgro...
Published: 27 November 2019
is 8.0 cm. B) Cast of Diplocraterion isp. ( Di .) domichnion. Waboomberg Formation at Swartkrans. Scale bar is 8.0 cm. C) Meandering, parallel, unbranched, and non-overlapping surface mold of passichnion and fodichnion of Helminthoida isp. ( He .) Waboomberg Formation at Swartkrans. Scale bar
Journal Article
Published: 01 March 2014
Journal of Paleontology (2014) 88 (2): 309–330.
...; strong parallelism in burrows implies broad-scale meanders larger than the size of the sample, representing fragments of ‘ Helminthoida' ROM 62556, locality SBS; 4 , curved and contorted burrow Planolites montanus in hyporelief from the lower Blueflower Formation showing positive and negative relief...
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Journal Article
Journal: PALAIOS
Published: 01 October 2002
PALAIOS (2002) 17 (5): 507–515.
... common in the fossil record (for taxonomic revision of the Nereites - Scalarituba - Helminthoida group, see Uchman, 1995 ). Very old Neonereites have been reported from Dalradian (Neoproterozoic) shallow-water deposits from Scotland by Brasier and McIlroy (1998) and from Cambrian shallow-water...
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Journal Article
Published: 01 August 1992
Journal of the Geological Society (1992) 149 (4): 637–646.
..., Bergaueria, Bilinichnus, Buchholzbrunnichnus*, Bunyerichnus*, Cochlichnus, Gordia, Helminthoida, Helm nthoidichnites, Hehinthopsis, Hormosiroidea, Intrites, Lockeia, Medvezhichnus*, Monornorphichnus, Nenoxites*, Neonereites, Palaeopascichnus, Palaeophycus, Planolites, Scolicia, Skolithos, Stelloglyphus, Syr...
Journal Article
Journal: Geology
Published: 01 August 2010
Geology (2010) 38 (8): e215.
... assemblage reported by Johnson et al. (2001) is overwhelmingly consistent with a marine setting. Of the eleven ichnogenera recognized, six ( Chondrites , Cosmorhaphe , Helminthoida , Helminthopsis , Lorenzinia , and Paleodictyon ) are common components of the Nereites ichnofacies ( MacEachern et al...
Journal Article
Journal: Geology
Published: 01 August 2010
Geology (2010) 38 (8): e214.
... (but not illustrated) ichnogenera: Chondrites , Cosmorhaphe , Gordia , Granulana , Gyrochorte , Helminthoida , Helminthoides , Helminthopsis , Lophoctenium , Lorenzinia , and Paleodictyon . Reviewing this list, Buatois et al. (2010) considered Chondrites , Lophoctenium , and Lorenzinia invariably marine...
Journal Article
Published: 13 January 2020
Canadian Journal of Earth Sciences (2020) 57 (3): 331–347.
... (Fuping section). (D) Dark grey mudstone interbedded with sandstone (Longxian section). (E) Trace fossils ( Helminthoida ) on the lower bedding plane of a sandstone layer (Longxian section). For locations see Fig. 3 . [Colour online.] ...
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