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Coprinisphaera

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Journal Article
Journal: PALAIOS
Published: 01 February 2000
PALAIOS (2000) 15 (1): 49–64.
...JORGE F. GENISE; M. GABRIELA MáNGANO; LUIS A. BUATOIS; JOSÉ H. LAZA; MARIANO VERDE Abstract Analysis of fifty-eight paleosol trace fossil assemblages, ranging from the Triassic to the Recent, allows refinement of continental ichnofacies models and the proposal of a Coprinisphaera ichnofacies...
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FIGURE 1 —Occurrence of the  <b>Coprinisphaera</b>  ichnofacies in paleosols of he...
in > PALAIOS
Published: 01 February 2000
FIGURE 1 —Occurrence of the Coprinisphaera ichnofacies in paleosols of herbaceous communities developed in different depositional environments. Figure elements show modern environments and associated possible trace assemblages in the fossil record. (A) Proximal alluvial, dominated by dung beetle
Series: SEPM Short Course Notes
Published: 01 January 2007
DOI: 10.2110/pec.07.52.0027
EISBN: 9781565761407
... and geographically recurring archetypal ichnofacies that demonstrate temporal and global recurrence have been defined. Most are named for a representative ichnogenus: Scoyenia , Mermia , Coprinisphaera , Trypanites , Entobia , Gnathichnus , Teredolites , Glossifungites , Psilonichnus , Skolithos...
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Series: Geological Society, London, Special Publications
Published: 01 January 2004
DOI: 10.1144/GSL.SP.2004.228.01.14
EISBN: 9781862394766
... addressing the problem of recognizing additional continental ichnofacies were published (e.g. Smith et al . 1993 ; Buatois & Mángano 1995a ; Bromley 1996 ; Genise et al . 2000 ). At present, three continental archetypal ichnofacies are widely accepted: the Scoyenia, Mermia and Coprinisphaera...
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Journal Article
Journal: PALAIOS
Published: 01 June 2013
PALAIOS (2013) 28 (6): 403–413.
... occur in environmental conditions typical of the Coprinisphaera ichnofacies, mainly in soils above the groundwater table. FIGURE 2— Bembidion quadrimaculatum and its burrows. A) An adult B. quadrimaculatum. B) Opening to a single burrow in a sand-dominated substrate. C) Several burrow openings...
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Series: AAPG Memoir
Published: 01 January 2012
DOI: 10.1306/13291400M953457
EISBN: 9781629810096
... environments. The distribution of traces observed in Lake Tanganyika and Lake Eyre, an overfilled lake in a tropical rift basin setting and an underfilled lake in an arid midlatitude ephemeral playa setting, respectively, are described, synthesized, and compared with the Mermia, Coprinisphaera, Termitichnus...
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Series: Geological Society, London, Special Publications
Published: 01 January 2004
DOI: 10.1144/GSL.SP.2004.228.01.19
EISBN: 9781862394766
... of Coprinisphaera connected by a tunnel system. As such, it could be seen as a link between Coprinisphaeridae and Krausichnidae that would almost preclude their separation. Such structures are unknown among dung-beetle traces, a fact that originally suggested to Duringer et al . 2000a , 2000b that specimens...
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Journal Article
Journal: PALAIOS
Published: 01 February 2002
PALAIOS (2002) 17 (1): 16–35.
... to the Coprinisphaera ichnofacies, although its distinctive features and recurrence in time and space may deserve recognition as a separate ichnofacies. 05 07 2001 Society for Sedimentary Geology 2002 The Gran Salitral Formation is exposed in a ca. 40-m-high mesa-like feature on the southeast...
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TABLE 1 —Summary of basic features and environmental significance of the  C...
in > PALAIOS
Published: 01 February 2000
TABLE 1 —Summary of basic features and environmental significance of the Coprinisphaera ichnofacies
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TABLE 2 —Paleosol insect trace fossil localities and stratigraphic units. A...
in > PALAIOS
Published: 01 February 2000
TABLE 2 —Paleosol insect trace fossil localities and stratigraphic units. Asterisk shows examples of the Coprinisphaera ichnofacies
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Asencio Formation. A: Outcrops in Uruguay (vertical lines). B: Profile near...
in > Geology
Published: 01 February 2016
Figure 1. Asencio Formation. A: Outcrops in Uruguay (vertical lines). B: Profile near Nueva Palmira (star in A). Cret.—Cretaceous; TPR Ass.— Teisseirei , Palmiraichnus , Rebuffoichnus assemblage; MUC Ass.— Monesichnus , Uruguay , Coprinisphaera assemblage.
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TABLE 3 —Paleoenvironmental conditions (e.g., plant formation, climate) of ...
in > PALAIOS
Published: 01 February 2000
TABLE 3 —Paleoenvironmental conditions (e.g., plant formation, climate) of localities in table 2 based on lines of evidence other than trace fossil content. Asterisk shows examples of the Coprinisphaera ichnofacies
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Asencio cycle. Climate and tectonic changes represented in central circles....
in > Geology
Published: 01 February 2016
, Rebuffoichnus assemblage). C: Development of cumulic horizons. Tiering of traces: shallow TPR assemblage, deep MUC ( Monesichnus, Uruguay, Coprinisphaera ) assemblage. D: Increased soil thickness and new emplacement of TPR and MUC assemblages. E: Precipitation decrease, water-table fall, and increased soil
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A: Asencio Formation and facies distribution. FD—ferruginized duricrust; NB...
in > Geology
Published: 01 February 2016
clay cutan (arrow) and circular b-fabric. I: Pore filled by microgranules coated by illuviated clay (crossed nicols). J–L: Trace fossils; bars are 10 cm. J: Trace fossils in NB ( Uruguay [ Ur ], Monesichnus [ Mo ], Coprinisphaera [ Co ]). K: Palmiraichnus [ Pa ] in FD. L: Rotated Uruguay in NB
Journal Article
Journal: Geology
Published: 01 February 2016
Geology (2016) 44 (2): 119–122.
...Figure 1. Asencio Formation. A: Outcrops in Uruguay (vertical lines). B: Profile near Nueva Palmira (star in A). Cret.—Cretaceous; TPR Ass.— Teisseirei , Palmiraichnus , Rebuffoichnus assemblage; MUC Ass.— Monesichnus , Uruguay , Coprinisphaera assemblage. ...
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Journal Article
Published: 01 September 2010
Journal of Paleontology (2010) 84 (5): 848–857.
... . Coleopterans excavate soil and construct spherical to ellipsoidal pupal chambers to brood their larvae. Steinkerns and casts of fossil pupal chambers have been assigned to ichnogenera such as Coprinisphaera Sauer (1955) , Pallichnus Retallack (1984) , Rebuffoichnus Roselli (1987) and Fictovichnus...
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Journal Article
Journal: PALAIOS
Published: 01 August 2006
PALAIOS (2006) 21 (4): 401–402.
... as Scoyenia , Mermia , Skolithos , and Coprinisphaera are said to be accepted widely and well defined. Yet, from the chapters themselves, there is little differentiation between these non-marine ichnofacies and the ichnofacies of transitional- to offshore-marine environments, except that one occurs...
Journal Article
Journal: PALAIOS
Published: 01 August 2006
PALAIOS (2006) 21 (4): 391–396.
... ) and Coprinisphaera ( Genise et al., 2000 ) ichnofacies (see Keighley and Pickerill, 2003 ; Buatois and Mángano, 2004 , for recent reviews). Additionally the Skolithos ichnofacies, typically more characteristic of marine situations, may be encountered in the high-energy setting of active fluvial channels...
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Series: Geological Society, London, Special Publications
Published: 01 January 2004
DOI: 10.1144/GSL.SP.2004.228.01.16
EISBN: 9781862394766
...%. Matrix percentage and roundness increase as nodule size decreases. The predominance of Monesichnus, Uruguay and Coprinisphaera in the nodular horizons, either in their original positions or rotated, was pointed out by González et al. ( 1998 ; Fig. 7c ). The bioturbation is moderate (BI 3). Fig...
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Journal Article
Journal: GSA Bulletin
Published: 25 November 2019
GSA Bulletin (2019)
... characterized by two sets of birefringent clay orien- tated at an angle of 80° (black arrows). P1 P2 P3 P4 A Bt Bg Bc C P5 500 µm 500 µm500 µm 200 µm A Hz Bt Hz Bg Hz B Hz A B C D E GF A Bt Bg BC 0 1m Subangular peds Rhizoliths Coprinisphaera isp. Celliforma isp. Earthworms bioturbation Desiccation cracks...